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# GNU AFFERO GENERAL PUBLIC LICENSE
Version 3, 19 November 2007
Copyright (C) 2007 Free Software Foundation, Inc.
<https://fsf.org/>
Everyone is permitted to copy and distribute verbatim copies of this
license document, but changing it is not allowed.
## Preamble
The GNU Affero General Public License is a free, copyleft license for
software and other kinds of works, specifically designed to ensure
cooperation with the community in the case of network server software.
The licenses for most software and other practical works are designed
to take away your freedom to share and change the works. By contrast,
our General Public Licenses are intended to guarantee your freedom to
share and change all versions of a program--to make sure it remains
free software for all its users.
When we speak of free software, we are referring to freedom, not
price. Our General Public Licenses are designed to make sure that you
have the freedom to distribute copies of free software (and charge for
them if you wish), that you receive source code or can get it if you
want it, that you can change the software or use pieces of it in new
free programs, and that you know you can do these things.
Developers that use our General Public Licenses protect your rights
with two steps: (1) assert copyright on the software, and (2) offer
you this License which gives you legal permission to copy, distribute
and/or modify the software.
A secondary benefit of defending all users' freedom is that
improvements made in alternate versions of the program, if they
receive widespread use, become available for other developers to
incorporate. Many developers of free software are heartened and
encouraged by the resulting cooperation. However, in the case of
software used on network servers, this result may fail to come about.
The GNU General Public License permits making a modified version and
letting the public access it on a server without ever releasing its
source code to the public.
The GNU Affero General Public License is designed specifically to
ensure that, in such cases, the modified source code becomes available
to the community. It requires the operator of a network server to
provide the source code of the modified version running there to the
users of that server. Therefore, public use of a modified version, on
a publicly accessible server, gives the public access to the source
code of the modified version.
An older license, called the Affero General Public License and
published by Affero, was designed to accomplish similar goals. This is
a different license, not a version of the Affero GPL, but Affero has
released a new version of the Affero GPL which permits relicensing
under this license.
The precise terms and conditions for copying, distribution and
modification follow.
## TERMS AND CONDITIONS
### 0. Definitions.
"This License" refers to version 3 of the GNU Affero General Public
License.
"Copyright" also means copyright-like laws that apply to other kinds
of works, such as semiconductor masks.
"The Program" refers to any copyrightable work licensed under this
License. Each licensee is addressed as "you". "Licensees" and
"recipients" may be individuals or organizations.
To "modify" a work means to copy from or adapt all or part of the work
in a fashion requiring copyright permission, other than the making of
an exact copy. The resulting work is called a "modified version" of
the earlier work or a work "based on" the earlier work.
A "covered work" means either the unmodified Program or a work based
on the Program.
To "propagate" a work means to do anything with it that, without
permission, would make you directly or secondarily liable for
infringement under applicable copyright law, except executing it on a
computer or modifying a private copy. Propagation includes copying,
distribution (with or without modification), making available to the
public, and in some countries other activities as well.
To "convey" a work means any kind of propagation that enables other
parties to make or receive copies. Mere interaction with a user
through a computer network, with no transfer of a copy, is not
conveying.
An interactive user interface displays "Appropriate Legal Notices" to
the extent that it includes a convenient and prominently visible
feature that (1) displays an appropriate copyright notice, and (2)
tells the user that there is no warranty for the work (except to the
extent that warranties are provided), that licensees may convey the
work under this License, and how to view a copy of this License. If
the interface presents a list of user commands or options, such as a
menu, a prominent item in the list meets this criterion.
### 1. Source Code.
The "source code" for a work means the preferred form of the work for
making modifications to it. "Object code" means any non-source form of
a work.
A "Standard Interface" means an interface that either is an official
standard defined by a recognized standards body, or, in the case of
interfaces specified for a particular programming language, one that
is widely used among developers working in that language.
The "System Libraries" of an executable work include anything, other
than the work as a whole, that (a) is included in the normal form of
packaging a Major Component, but which is not part of that Major
Component, and (b) serves only to enable use of the work with that
Major Component, or to implement a Standard Interface for which an
implementation is available to the public in source code form. A
"Major Component", in this context, means a major essential component
(kernel, window system, and so on) of the specific operating system
(if any) on which the executable work runs, or a compiler used to
produce the work, or an object code interpreter used to run it.
The "Corresponding Source" for a work in object code form means all
the source code needed to generate, install, and (for an executable
work) run the object code and to modify the work, including scripts to
control those activities. However, it does not include the work's
System Libraries, or general-purpose tools or generally available free
programs which are used unmodified in performing those activities but
which are not part of the work. For example, Corresponding Source
includes interface definition files associated with source files for
the work, and the source code for shared libraries and dynamically
linked subprograms that the work is specifically designed to require,
such as by intimate data communication or control flow between those
subprograms and other parts of the work.
The Corresponding Source need not include anything that users can
regenerate automatically from other parts of the Corresponding Source.
The Corresponding Source for a work in source code form is that same
work.
### 2. Basic Permissions.
All rights granted under this License are granted for the term of
copyright on the Program, and are irrevocable provided the stated
conditions are met. This License explicitly affirms your unlimited
permission to run the unmodified Program. The output from running a
covered work is covered by this License only if the output, given its
content, constitutes a covered work. This License acknowledges your
rights of fair use or other equivalent, as provided by copyright law.
You may make, run and propagate covered works that you do not convey,
without conditions so long as your license otherwise remains in force.
You may convey covered works to others for the sole purpose of having
them make modifications exclusively for you, or provide you with
facilities for running those works, provided that you comply with the
terms of this License in conveying all material for which you do not
control copyright. Those thus making or running the covered works for
you must do so exclusively on your behalf, under your direction and
control, on terms that prohibit them from making any copies of your
copyrighted material outside their relationship with you.
Conveying under any other circumstances is permitted solely under the
conditions stated below. Sublicensing is not allowed; section 10 makes
it unnecessary.
### 3. Protecting Users' Legal Rights From Anti-Circumvention Law.
No covered work shall be deemed part of an effective technological
measure under any applicable law fulfilling obligations under article
11 of the WIPO copyright treaty adopted on 20 December 1996, or
similar laws prohibiting or restricting circumvention of such
measures.
When you convey a covered work, you waive any legal power to forbid
circumvention of technological measures to the extent such
circumvention is effected by exercising rights under this License with
respect to the covered work, and you disclaim any intention to limit
operation or modification of the work as a means of enforcing, against
the work's users, your or third parties' legal rights to forbid
circumvention of technological measures.
### 4. Conveying Verbatim Copies.
You may convey verbatim copies of the Program's source code as you
receive it, in any medium, provided that you conspicuously and
appropriately publish on each copy an appropriate copyright notice;
keep intact all notices stating that this License and any
non-permissive terms added in accord with section 7 apply to the code;
keep intact all notices of the absence of any warranty; and give all
recipients a copy of this License along with the Program.
You may charge any price or no price for each copy that you convey,
and you may offer support or warranty protection for a fee.
### 5. Conveying Modified Source Versions.
You may convey a work based on the Program, or the modifications to
produce it from the Program, in the form of source code under the
terms of section 4, provided that you also meet all of these
conditions:
- a) The work must carry prominent notices stating that you modified
it, and giving a relevant date.
- b) The work must carry prominent notices stating that it is
released under this License and any conditions added under
section 7. This requirement modifies the requirement in section 4
to "keep intact all notices".
- c) You must license the entire work, as a whole, under this
License to anyone who comes into possession of a copy. This
License will therefore apply, along with any applicable section 7
additional terms, to the whole of the work, and all its parts,
regardless of how they are packaged. This License gives no
permission to license the work in any other way, but it does not
invalidate such permission if you have separately received it.
- d) If the work has interactive user interfaces, each must display
Appropriate Legal Notices; however, if the Program has interactive
interfaces that do not display Appropriate Legal Notices, your
work need not make them do so.
A compilation of a covered work with other separate and independent
works, which are not by their nature extensions of the covered work,
and which are not combined with it such as to form a larger program,
in or on a volume of a storage or distribution medium, is called an
"aggregate" if the compilation and its resulting copyright are not
used to limit the access or legal rights of the compilation's users
beyond what the individual works permit. Inclusion of a covered work
in an aggregate does not cause this License to apply to the other
parts of the aggregate.
### 6. Conveying Non-Source Forms.
You may convey a covered work in object code form under the terms of
sections 4 and 5, provided that you also convey the machine-readable
Corresponding Source under the terms of this License, in one of these
ways:
- a) Convey the object code in, or embodied in, a physical product
(including a physical distribution medium), accompanied by the
Corresponding Source fixed on a durable physical medium
customarily used for software interchange.
- b) Convey the object code in, or embodied in, a physical product
(including a physical distribution medium), accompanied by a
written offer, valid for at least three years and valid for as
long as you offer spare parts or customer support for that product
model, to give anyone who possesses the object code either (1) a
copy of the Corresponding Source for all the software in the
product that is covered by this License, on a durable physical
medium customarily used for software interchange, for a price no
more than your reasonable cost of physically performing this
conveying of source, or (2) access to copy the Corresponding
Source from a network server at no charge.
- c) Convey individual copies of the object code with a copy of the
written offer to provide the Corresponding Source. This
alternative is allowed only occasionally and noncommercially, and
only if you received the object code with such an offer, in accord
with subsection 6b.
- d) Convey the object code by offering access from a designated
place (gratis or for a charge), and offer equivalent access to the
Corresponding Source in the same way through the same place at no
further charge. You need not require recipients to copy the
Corresponding Source along with the object code. If the place to
copy the object code is a network server, the Corresponding Source
may be on a different server (operated by you or a third party)
that supports equivalent copying facilities, provided you maintain
clear directions next to the object code saying where to find the
Corresponding Source. Regardless of what server hosts the
Corresponding Source, you remain obligated to ensure that it is
available for as long as needed to satisfy these requirements.
- e) Convey the object code using peer-to-peer transmission,
provided you inform other peers where the object code and
Corresponding Source of the work are being offered to the general
public at no charge under subsection 6d.
A separable portion of the object code, whose source code is excluded
from the Corresponding Source as a System Library, need not be
included in conveying the object code work.
A "User Product" is either (1) a "consumer product", which means any
tangible personal property which is normally used for personal,
family, or household purposes, or (2) anything designed or sold for
incorporation into a dwelling. In determining whether a product is a
consumer product, doubtful cases shall be resolved in favor of
coverage. For a particular product received by a particular user,
"normally used" refers to a typical or common use of that class of
product, regardless of the status of the particular user or of the way
in which the particular user actually uses, or expects or is expected
to use, the product. A product is a consumer product regardless of
whether the product has substantial commercial, industrial or
non-consumer uses, unless such uses represent the only significant
mode of use of the product.
"Installation Information" for a User Product means any methods,
procedures, authorization keys, or other information required to
install and execute modified versions of a covered work in that User
Product from a modified version of its Corresponding Source. The
information must suffice to ensure that the continued functioning of
the modified object code is in no case prevented or interfered with
solely because modification has been made.
If you convey an object code work under this section in, or with, or
specifically for use in, a User Product, and the conveying occurs as
part of a transaction in which the right of possession and use of the
User Product is transferred to the recipient in perpetuity or for a
fixed term (regardless of how the transaction is characterized), the
Corresponding Source conveyed under this section must be accompanied
by the Installation Information. But this requirement does not apply
if neither you nor any third party retains the ability to install
modified object code on the User Product (for example, the work has
been installed in ROM).
The requirement to provide Installation Information does not include a
requirement to continue to provide support service, warranty, or
updates for a work that has been modified or installed by the
recipient, or for the User Product in which it has been modified or
installed. Access to a network may be denied when the modification
itself materially and adversely affects the operation of the network
or violates the rules and protocols for communication across the
network.
Corresponding Source conveyed, and Installation Information provided,
in accord with this section must be in a format that is publicly
documented (and with an implementation available to the public in
source code form), and must require no special password or key for
unpacking, reading or copying.
### 7. Additional Terms.
"Additional permissions" are terms that supplement the terms of this
License by making exceptions from one or more of its conditions.
Additional permissions that are applicable to the entire Program shall
be treated as though they were included in this License, to the extent
that they are valid under applicable law. If additional permissions
apply only to part of the Program, that part may be used separately
under those permissions, but the entire Program remains governed by
this License without regard to the additional permissions.
When you convey a copy of a covered work, you may at your option
remove any additional permissions from that copy, or from any part of
it. (Additional permissions may be written to require their own
removal in certain cases when you modify the work.) You may place
additional permissions on material, added by you to a covered work,
for which you have or can give appropriate copyright permission.
Notwithstanding any other provision of this License, for material you
add to a covered work, you may (if authorized by the copyright holders
of that material) supplement the terms of this License with terms:
- a) Disclaiming warranty or limiting liability differently from the
terms of sections 15 and 16 of this License; or
- b) Requiring preservation of specified reasonable legal notices or
author attributions in that material or in the Appropriate Legal
Notices displayed by works containing it; or
- c) Prohibiting misrepresentation of the origin of that material,
or requiring that modified versions of such material be marked in
reasonable ways as different from the original version; or
- d) Limiting the use for publicity purposes of names of licensors
or authors of the material; or
- e) Declining to grant rights under trademark law for use of some
trade names, trademarks, or service marks; or
- f) Requiring indemnification of licensors and authors of that
material by anyone who conveys the material (or modified versions
of it) with contractual assumptions of liability to the recipient,
for any liability that these contractual assumptions directly
impose on those licensors and authors.
All other non-permissive additional terms are considered "further
restrictions" within the meaning of section 10. If the Program as you
received it, or any part of it, contains a notice stating that it is
governed by this License along with a term that is a further
restriction, you may remove that term. If a license document contains
a further restriction but permits relicensing or conveying under this
License, you may add to a covered work material governed by the terms
of that license document, provided that the further restriction does
not survive such relicensing or conveying.
If you add terms to a covered work in accord with this section, you
must place, in the relevant source files, a statement of the
additional terms that apply to those files, or a notice indicating
where to find the applicable terms.
Additional terms, permissive or non-permissive, may be stated in the
form of a separately written license, or stated as exceptions; the
above requirements apply either way.
### 8. Termination.
You may not propagate or modify a covered work except as expressly
provided under this License. Any attempt otherwise to propagate or
modify it is void, and will automatically terminate your rights under
this License (including any patent licenses granted under the third
paragraph of section 11).
However, if you cease all violation of this License, then your license
from a particular copyright holder is reinstated (a) provisionally,
unless and until the copyright holder explicitly and finally
terminates your license, and (b) permanently, if the copyright holder
fails to notify you of the violation by some reasonable means prior to
60 days after the cessation.
Moreover, your license from a particular copyright holder is
reinstated permanently if the copyright holder notifies you of the
violation by some reasonable means, this is the first time you have
received notice of violation of this License (for any work) from that
copyright holder, and you cure the violation prior to 30 days after
your receipt of the notice.
Termination of your rights under this section does not terminate the
licenses of parties who have received copies or rights from you under
this License. If your rights have been terminated and not permanently
reinstated, you do not qualify to receive new licenses for the same
material under section 10.
### 9. Acceptance Not Required for Having Copies.
You are not required to accept this License in order to receive or run
a copy of the Program. Ancillary propagation of a covered work
occurring solely as a consequence of using peer-to-peer transmission
to receive a copy likewise does not require acceptance. However,
nothing other than this License grants you permission to propagate or
modify any covered work. These actions infringe copyright if you do
not accept this License. Therefore, by modifying or propagating a
covered work, you indicate your acceptance of this License to do so.
### 10. Automatic Licensing of Downstream Recipients.
Each time you convey a covered work, the recipient automatically
receives a license from the original licensors, to run, modify and
propagate that work, subject to this License. You are not responsible
for enforcing compliance by third parties with this License.
An "entity transaction" is a transaction transferring control of an
organization, or substantially all assets of one, or subdividing an
organization, or merging organizations. If propagation of a covered
work results from an entity transaction, each party to that
transaction who receives a copy of the work also receives whatever
licenses to the work the party's predecessor in interest had or could
give under the previous paragraph, plus a right to possession of the
Corresponding Source of the work from the predecessor in interest, if
the predecessor has it or can get it with reasonable efforts.
You may not impose any further restrictions on the exercise of the
rights granted or affirmed under this License. For example, you may
not impose a license fee, royalty, or other charge for exercise of
rights granted under this License, and you may not initiate litigation
(including a cross-claim or counterclaim in a lawsuit) alleging that
any patent claim is infringed by making, using, selling, offering for
sale, or importing the Program or any portion of it.
### 11. Patents.
A "contributor" is a copyright holder who authorizes use under this
License of the Program or a work on which the Program is based. The
work thus licensed is called the contributor's "contributor version".
A contributor's "essential patent claims" are all patent claims owned
or controlled by the contributor, whether already acquired or
hereafter acquired, that would be infringed by some manner, permitted
by this License, of making, using, or selling its contributor version,
but do not include claims that would be infringed only as a
consequence of further modification of the contributor version. For
purposes of this definition, "control" includes the right to grant
patent sublicenses in a manner consistent with the requirements of
this License.
Each contributor grants you a non-exclusive, worldwide, royalty-free
patent license under the contributor's essential patent claims, to
make, use, sell, offer for sale, import and otherwise run, modify and
propagate the contents of its contributor version.
In the following three paragraphs, a "patent license" is any express
agreement or commitment, however denominated, not to enforce a patent
(such as an express permission to practice a patent or covenant not to
sue for patent infringement). To "grant" such a patent license to a
party means to make such an agreement or commitment not to enforce a
patent against the party.
If you convey a covered work, knowingly relying on a patent license,
and the Corresponding Source of the work is not available for anyone
to copy, free of charge and under the terms of this License, through a
publicly available network server or other readily accessible means,
then you must either (1) cause the Corresponding Source to be so
available, or (2) arrange to deprive yourself of the benefit of the
patent license for this particular work, or (3) arrange, in a manner
consistent with the requirements of this License, to extend the patent
license to downstream recipients. "Knowingly relying" means you have
actual knowledge that, but for the patent license, your conveying the
covered work in a country, or your recipient's use of the covered work
in a country, would infringe one or more identifiable patents in that
country that you have reason to believe are valid.
If, pursuant to or in connection with a single transaction or
arrangement, you convey, or propagate by procuring conveyance of, a
covered work, and grant a patent license to some of the parties
receiving the covered work authorizing them to use, propagate, modify
or convey a specific copy of the covered work, then the patent license
you grant is automatically extended to all recipients of the covered
work and works based on it.
A patent license is "discriminatory" if it does not include within the
scope of its coverage, prohibits the exercise of, or is conditioned on
the non-exercise of one or more of the rights that are specifically
granted under this License. You may not convey a covered work if you
are a party to an arrangement with a third party that is in the
business of distributing software, under which you make payment to the
third party based on the extent of your activity of conveying the
work, and under which the third party grants, to any of the parties
who would receive the covered work from you, a discriminatory patent
license (a) in connection with copies of the covered work conveyed by
you (or copies made from those copies), or (b) primarily for and in
connection with specific products or compilations that contain the
covered work, unless you entered into that arrangement, or that patent
license was granted, prior to 28 March 2007.
Nothing in this License shall be construed as excluding or limiting
any implied license or other defenses to infringement that may
otherwise be available to you under applicable patent law.
### 12. No Surrender of Others' Freedom.
If conditions are imposed on you (whether by court order, agreement or
otherwise) that contradict the conditions of this License, they do not
excuse you from the conditions of this License. If you cannot convey a
covered work so as to satisfy simultaneously your obligations under
this License and any other pertinent obligations, then as a
consequence you may not convey it at all. For example, if you agree to
terms that obligate you to collect a royalty for further conveying
from those to whom you convey the Program, the only way you could
satisfy both those terms and this License would be to refrain entirely
from conveying the Program.
### 13. Remote Network Interaction; Use with the GNU General Public License.
Notwithstanding any other provision of this License, if you modify the
Program, your modified version must prominently offer all users
interacting with it remotely through a computer network (if your
version supports such interaction) an opportunity to receive the
Corresponding Source of your version by providing access to the
Corresponding Source from a network server at no charge, through some
standard or customary means of facilitating copying of software. This
Corresponding Source shall include the Corresponding Source for any
work covered by version 3 of the GNU General Public License that is
incorporated pursuant to the following paragraph.
Notwithstanding any other provision of this License, you have
permission to link or combine any covered work with a work licensed
under version 3 of the GNU General Public License into a single
combined work, and to convey the resulting work. The terms of this
License will continue to apply to the part which is the covered work,
but the work with which it is combined will remain governed by version
3 of the GNU General Public License.
### 14. Revised Versions of this License.
The Free Software Foundation may publish revised and/or new versions
of the GNU Affero General Public License from time to time. Such new
versions will be similar in spirit to the present version, but may
differ in detail to address new problems or concerns.
Each version is given a distinguishing version number. If the Program
specifies that a certain numbered version of the GNU Affero General
Public License "or any later version" applies to it, you have the
option of following the terms and conditions either of that numbered
version or of any later version published by the Free Software
Foundation. If the Program does not specify a version number of the
GNU Affero General Public License, you may choose any version ever
published by the Free Software Foundation.
If the Program specifies that a proxy can decide which future versions
of the GNU Affero General Public License can be used, that proxy's
public statement of acceptance of a version permanently authorizes you
to choose that version for the Program.
Later license versions may give you additional or different
permissions. However, no additional obligations are imposed on any
author or copyright holder as a result of your choosing to follow a
later version.
### 15. Disclaimer of Warranty.
THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT
WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND
PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE PROGRAM PROVE
DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR
CORRECTION.
### 16. Limitation of Liability.
IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR
CONVEYS THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES
ARISING OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT
NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR
LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM
TO OPERATE WITH ANY OTHER PROGRAMS), EVEN IF SUCH HOLDER OR OTHER
PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
### 17. Interpretation of Sections 15 and 16.
If the disclaimer of warranty and limitation of liability provided
above cannot be given local legal effect according to their terms,
reviewing courts shall apply local law that most closely approximates
an absolute waiver of all civil liability in connection with the
Program, unless a warranty or assumption of liability accompanies a
copy of the Program in return for a fee.
END OF TERMS AND CONDITIONS
## How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these
terms.
To do so, attach the following notices to the program. It is safest to
attach them to the start of each source file to most effectively state
the exclusion of warranty; and each file should have at least the
"copyright" line and a pointer to where the full notice is found.
<one line to give the program's name and a brief idea of what it does.>
Copyright (C) <year> <name of author>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
Also add information on how to contact you by electronic and paper
mail.
If your software can interact with users remotely through a computer
network, you should also make sure that it provides a way for users to
get its source. For example, if your program is a web application, its
interface could display a "Source" link that leads users to an archive
of the code. There are many ways you could offer source, and different
solutions will be better for different programs; see section 13 for
the specific requirements.
You should also get your employer (if you work as a programmer) or
school, if any, to sign a "copyright disclaimer" for the program, if
necessary. For more information on this, and how to apply and follow
the GNU AGPL, see <https://www.gnu.org/licenses/>.

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# NoteTand
Simple plain-text notes app with Bluetooth sync!

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/build

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app/build.gradle Normal file
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plugins {
alias(libs.plugins.android.application)
}
android {
namespace 'org.eu.octt.notetand'
compileSdk 35
defaultConfig {
applicationId "org.eu.octt.notetand"
minSdk 10
targetSdk 35
versionCode 1
versionName "1.0"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
}
}
compileOptions {
sourceCompatibility JavaVersion.VERSION_11
targetCompatibility JavaVersion.VERSION_11
}
}
dependencies {}

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# Add project specific ProGuard rules here.
# You can control the set of applied configuration files using the
# proguardFiles setting in build.gradle.
#
# For more details, see
# http://developer.android.com/guide/developing/tools/proguard.html
# If your project uses WebView with JS, uncomment the following
# and specify the fully qualified class name to the JavaScript interface
# class:
#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
# public *;
#}
# Uncomment this to preserve the line number information for
# debugging stack traces.
#-keepattributes SourceFile,LineNumberTable
# If you keep the line number information, uncomment this to
# hide the original source file name.
#-renamesourcefileattribute SourceFile

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{
"version": 3,
"artifactType": {
"type": "APK",
"kind": "Directory"
},
"applicationId": "org.eu.octt.notetand",
"variantName": "release",
"elements": [
{
"type": "SINGLE",
"filters": [],
"attributes": [],
"versionCode": 1,
"versionName": "1.0",
"outputFile": "app-release.apk"
}
],
"elementType": "File",
"minSdkVersionForDexing": 10
}

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<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools">
<uses-feature android:name="android.hardware.bluetooth" android:required="true" />
<!-- Bluetooth permissions -->
<uses-permission android:name="android.permission.BLUETOOTH" />
<!-- <uses-permission android:name="android.permission.BLUETOOTH_ADMIN" /> -->
<!-- For Android 12+ (API 31+) -->
<!-- <uses-permission android:name="android.permission.BLUETOOTH_SCAN" />
<uses-permission android:name="android.permission.BLUETOOTH_ADVERTISE" /> -->
<uses-permission android:name="android.permission.BLUETOOTH_CONNECT" />
<!-- Storage permissions -->
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" android:maxSdkVersion="32" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" android:maxSdkVersion="28" />
<!-- Location for Bluetooth scanning on Android 6+ -->
<!-- <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" /> -->
<application
android:allowBackup="true"
android:dataExtractionRules="@xml/data_extraction_rules"
android:fullBackupContent="@xml/backup_rules"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:roundIcon="@mipmap/ic_launcher_round"
android:supportsRtl="true"
tools:targetApi="31">
<activity
android:name=".MainActivity"
android:exported="true">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<!-- <activity
android:name=".MainActivity1"
android:exported="true" /> -->
<activity
android:name=".NoteActivity"
android:label="@string/note"
android:exported="true"
android:parentActivityName=".MainActivity">
<intent-filter android:label="@string/new_note_activity">
<action android:name="android.intent.action.SEND" />
<category android:name="android.intent.category.DEFAULT" />
<data android:mimeType="text/plain" />
</intent-filter>
</activity>
<activity
android:name=".ReceiveActivity"
android:label="@string/receive_notes"
android:exported="false"
android:parentActivityName=".MainActivity" />
<activity
android:name=".SendActivity"
android:label="@string/send_note"
android:exported="false" />
<activity
android:name=".SettingsActivity"
android:label="@string/settings"
android:exported="false"
android:parentActivityName=".MainActivity" />
<!-- <activity
android:name=".BluetoothSyncActivity"
android:exported="false"
android:parentActivityName=".MainActivity1" /> -->
<provider
android:name=".NotesProvider"
android:authorities="org.eu.octt.notetand"
android:exported="true"
android:grantUriPermissions="true"
android:permission="android.permission.MANAGE_DOCUMENTS">
<intent-filter>
<action android:name="android.content.action.DOCUMENTS_PROVIDER" />
</intent-filter>
</provider>
</application>
</manifest>

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app/src/main/java/org/eu/octt/notetand/BluetoothManager.java Normal file
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package org.eu.octt.notetand;
import android.Manifest;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.bluetooth.BluetoothAdapter;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.os.Build;
public class BluetoothManager {
static final int REQUEST_ENABLE_BT = 1001;
static final int REQUEST_PERMISSION_BT = 1002;
static boolean getPermission(Activity activity) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S && activity.checkSelfPermission(Manifest.permission.BLUETOOTH_CONNECT) != PackageManager.PERMISSION_GRANTED) {
activity.requestPermissions(new String[]{Manifest.permission.BLUETOOTH_CONNECT}, REQUEST_PERMISSION_BT);
return false;
}
return true;
}
@SuppressLint("MissingPermission") // we're checking it but the IDE won't budge
static boolean requireBluetooth(Activity activity) {
if (!getPermission(activity))
return false;
var adapter = BluetoothAdapter.getDefaultAdapter();
if (adapter != null) {
if (adapter.isEnabled()) {
return true;
} else {
Intent enableBtIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
activity.startActivityForResult(enableBtIntent, REQUEST_ENABLE_BT);
}
}
return false;
}
}

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package org.eu.octt.notetand;
import android.Manifest;
import android.app.Activity;
import android.app.AlertDialog;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.bluetooth.BluetoothServerSocket;
import android.bluetooth.BluetoothSocket;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.pm.PackageManager;
import android.os.Build;
import android.os.Bundle;
import android.os.Handler;
import android.os.Looper;
import android.util.Log;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
import java.util.UUID;
public class BluetoothSyncActivity extends Activity {
private static final String TAG = "BluetoothSync";
private static final UUID SERVICE_UUID = UUID.fromString("00001101-0000-1000-8000-00805F9B34FB");
private static final String SERVICE_NAME = "SyncNotesApp";
private static final int REQUEST_DISCOVERABLE = 2001;
private static final int DISCOVERABLE_DURATION = 300; // 5 minutes
// Protocol constants
private static final String PROTOCOL_HANDSHAKE = "SYNCNOTES_HANDSHAKE";
private static final String PROTOCOL_FILE_LIST = "FILE_LIST";
private static final String PROTOCOL_FILE_REQUEST = "FILE_REQUEST";
private static final String PROTOCOL_FILE_DATA = "FILE_DATA";
private static final String PROTOCOL_SYNC_COMPLETE = "SYNC_COMPLETE";
private static final String PROTOCOL_ERROR = "ERROR";
private BluetoothAdapter bluetoothAdapter;
private TextView txtBluetoothStatus;
private TextView txtSyncProgress;
private Button btnMakeDiscoverable;
private Button btnScanDevices;
private Button btnCancelSync;
private ListView listPairedDevices;
private ListView listDiscoveredDevices;
private ArrayAdapter<String> pairedDevicesAdapter;
private ArrayAdapter<String> discoveredDevicesAdapter;
private ArrayList<BluetoothDevice> pairedDevicesList;
private ArrayList<BluetoothDevice> discoveredDevicesList;
private AcceptThread acceptThread;
private ConnectThread connectThread;
private ConnectedThread connectedThread;
private Handler mainHandler;
private File notesDirectory;
private boolean isScanning = false;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.bluetooth_sync_activity);
// Enable up navigation
if (getActionBar() != null) {
getActionBar().setDisplayHomeAsUpEnabled(true);
getActionBar().setTitle("Bluetooth Sync");
}
mainHandler = new Handler(Looper.getMainLooper());
initializeViews();
setupNotesDirectory();
initializeBluetooth();
setupListeners();
}
private void initializeViews() {
txtBluetoothStatus = findViewById(R.id.txt_bluetooth_status);
txtSyncProgress = findViewById(R.id.txt_sync_progress);
btnMakeDiscoverable = findViewById(R.id.btn_make_discoverable);
btnScanDevices = findViewById(R.id.btn_scan_devices);
btnCancelSync = findViewById(R.id.btn_cancel_sync);
listPairedDevices = findViewById(R.id.list_paired_devices);
listDiscoveredDevices = findViewById(R.id.list_discovered_devices);
// Initialize device lists
pairedDevicesList = new ArrayList<>();
discoveredDevicesList = new ArrayList<>();
pairedDevicesAdapter = new ArrayAdapter<>(this, android.R.layout.simple_list_item_1);
discoveredDevicesAdapter = new ArrayAdapter<>(this, android.R.layout.simple_list_item_1);
listPairedDevices.setAdapter(pairedDevicesAdapter);
listDiscoveredDevices.setAdapter(discoveredDevicesAdapter);
}
private void setupNotesDirectory() {
String notesPath = getIntent().getStringExtra("notes_directory");
if (notesPath != null) {
notesDirectory = new File(notesPath);
} else {
File externalFilesDir = getExternalFilesDir(null);
if (externalFilesDir != null) {
notesDirectory = new File(externalFilesDir, "notes");
} else {
notesDirectory = new File(getFilesDir(), "notes");
}
}
}
private void initializeBluetooth() {
bluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
if (bluetoothAdapter == null) {
updateStatus("Bluetooth not supported on this device");
disableAllButtons();
return;
}
if (!bluetoothAdapter.isEnabled()) {
updateStatus("Bluetooth is disabled");
disableAllButtons();
return;
}
updateStatus("Bluetooth ready");
loadPairedDevices();
startAcceptThread();
}
private void setupListeners() {
btnMakeDiscoverable.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
makeDiscoverable();
}
});
btnScanDevices.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (isScanning) {
stopDeviceDiscovery();
} else {
startDeviceDiscovery();
}
}
});
btnCancelSync.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
finish();
}
});
listPairedDevices.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
BluetoothDevice device = pairedDevicesList.get(position);
connectToDevice(device);
}
});
listDiscoveredDevices.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
BluetoothDevice device = discoveredDevicesList.get(position);
connectToDevice(device);
}
});
// Register for broadcasts when a device is discovered
IntentFilter filter = new IntentFilter(BluetoothDevice.ACTION_FOUND);
filter.addAction(BluetoothAdapter.ACTION_DISCOVERY_FINISHED);
registerReceiver(discoveryReceiver, filter);
}
private void loadPairedDevices() {
pairedDevicesList.clear();
pairedDevicesAdapter.clear();
if (checkBluetoothPermission()) {
Set<BluetoothDevice> pairedDevices = bluetoothAdapter.getBondedDevices();
if (pairedDevices.size() > 0) {
for (BluetoothDevice device : pairedDevices) {
pairedDevicesList.add(device);
String deviceInfo = device.getName() + "\n" + device.getAddress();
pairedDevicesAdapter.add(deviceInfo);
}
} else {
pairedDevicesAdapter.add("No paired devices found");
}
} else {
pairedDevicesAdapter.add("Bluetooth permission required");
}
pairedDevicesAdapter.notifyDataSetChanged();
}
private void makeDiscoverable() {
if (!checkBluetoothPermission()) {
Toast.makeText(this, "Bluetooth permission required", Toast.LENGTH_SHORT).show();
return;
}
Intent discoverableIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_DISCOVERABLE);
discoverableIntent.putExtra(BluetoothAdapter.EXTRA_DISCOVERABLE_DURATION, DISCOVERABLE_DURATION);
startActivityForResult(discoverableIntent, REQUEST_DISCOVERABLE);
}
private void startDeviceDiscovery() {
if (!checkBluetoothPermission()) {
Toast.makeText(this, "Bluetooth permission required", Toast.LENGTH_SHORT).show();
return;
}
discoveredDevicesList.clear();
discoveredDevicesAdapter.clear();
discoveredDevicesAdapter.notifyDataSetChanged();
if (bluetoothAdapter.isDiscovering()) {
bluetoothAdapter.cancelDiscovery();
}
boolean started = bluetoothAdapter.startDiscovery();
if (started) {
isScanning = true;
btnScanDevices.setText("Stop Scan");
updateProgress("Scanning for devices...");
} else {
Toast.makeText(this, "Failed to start device discovery", Toast.LENGTH_SHORT).show();
}
}
private void stopDeviceDiscovery() {
if (checkBluetoothPermission() && bluetoothAdapter.isDiscovering()) {
bluetoothAdapter.cancelDiscovery();
}
isScanning = false;
btnScanDevices.setText("Scan for Devices");
updateProgress("");
}
private void connectToDevice(final BluetoothDevice device) {
if (!checkBluetoothPermission()) {
Toast.makeText(this, "Bluetooth permission required", Toast.LENGTH_SHORT).show();
return;
}
// Stop discovery to save resources
if (bluetoothAdapter.isDiscovering()) {
bluetoothAdapter.cancelDiscovery();
isScanning = false;
btnScanDevices.setText("Scan for Devices");
}
new AlertDialog.Builder(this)
.setTitle("Connect to Device")
.setMessage("Connect to " + device.getName() + " (" + device.getAddress() + ") for sync?")
.setPositiveButton("Connect", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
startConnectThread(device);
}
})
.setNegativeButton("Cancel", null)
.show();
}
private void startConnectThread(BluetoothDevice device) {
// Cancel any existing connection attempts
if (connectThread != null) {
connectThread.cancel();
connectThread = null;
}
connectThread = new ConnectThread(device);
connectThread.start();
updateProgress("Connecting to " + device.getName() + "...");
}
private void startAcceptThread() {
if (acceptThread != null) {
acceptThread.cancel();
}
acceptThread = new AcceptThread();
acceptThread.start();
}
private boolean checkBluetoothPermission() {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
return checkSelfPermission(Manifest.permission.BLUETOOTH_CONNECT) == PackageManager.PERMISSION_GRANTED;
}
return true;
}
private void updateStatus(String status) {
mainHandler.post(new Runnable() {
@Override
public void run() {
txtBluetoothStatus.setText(status);
}
});
Log.d(TAG, "Status: " + status);
}
private void updateProgress(String progress) {
mainHandler.post(new Runnable() {
@Override
public void run() {
txtSyncProgress.setText(progress);
}
});
Log.d(TAG, "Progress: " + progress);
}
private void disableAllButtons() {
btnMakeDiscoverable.setEnabled(false);
btnScanDevices.setEnabled(false);
}
// BroadcastReceiver for Bluetooth device discovery
private final BroadcastReceiver discoveryReceiver = new BroadcastReceiver() {
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
if (BluetoothDevice.ACTION_FOUND.equals(action)) {
BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
if (device != null && checkBluetoothPermission()) {
String deviceName = device.getName();
if (deviceName == null) {
deviceName = "Unknown Device";
}
// Avoid duplicates
boolean alreadyAdded = false;
for (BluetoothDevice existingDevice : discoveredDevicesList) {
if (existingDevice.getAddress().equals(device.getAddress())) {
alreadyAdded = true;
break;
}
}
if (!alreadyAdded) {
discoveredDevicesList.add(device);
String deviceInfo = deviceName + "\n" + device.getAddress();
discoveredDevicesAdapter.add(deviceInfo);
discoveredDevicesAdapter.notifyDataSetChanged();
}
}
} else if (BluetoothAdapter.ACTION_DISCOVERY_FINISHED.equals(action)) {
isScanning = false;
btnScanDevices.setText("Scan for Devices");
updateProgress("Discovery finished. Found " + discoveredDevicesList.size() + " devices.");
}
}
};
// Thread for accepting incoming connections
private class AcceptThread extends Thread {
private BluetoothServerSocket serverSocket;
public AcceptThread() {
try {
if (checkBluetoothPermission()) {
serverSocket = bluetoothAdapter.listenUsingRfcommWithServiceRecord(
SERVICE_NAME, SERVICE_UUID);
}
} catch (IOException e) {
Log.e(TAG, "Socket listen() failed", e);
}
}
@Override
public void run() {
BluetoothSocket socket = null;
while (true) {
try {
socket = serverSocket.accept();
} catch (IOException e) {
Log.e(TAG, "Socket accept() failed", e);
break;
}
if (socket != null) {
// Connection accepted
manageConnectedSocket(socket);
try {
serverSocket.close();
} catch (IOException e) {
Log.e(TAG, "Could not close server socket", e);
}
break;
}
}
}
public void cancel() {
try {
if (serverSocket != null) {
serverSocket.close();
}
} catch (IOException e) {
Log.e(TAG, "Could not close server socket", e);
}
}
}
// Thread for connecting to a device
private class ConnectThread extends Thread {
private BluetoothSocket socket;
private BluetoothDevice device;
public ConnectThread(BluetoothDevice device) {
this.device = device;
try {
if (checkBluetoothPermission()) {
socket = device.createRfcommSocketToServiceRecord(SERVICE_UUID);
}
} catch (IOException e) {
Log.e(TAG, "Socket create() failed", e);
}
}
@Override
public void run() {
// Cancel discovery to save resources
if (checkBluetoothPermission() && bluetoothAdapter.isDiscovering()) {
bluetoothAdapter.cancelDiscovery();
}
try {
if (checkBluetoothPermission()) {
socket.connect();
}
} catch (IOException e) {
Log.e(TAG, "Could not connect to device", e);
mainHandler.post(new Runnable() {
@Override
public void run() {
updateProgress("Connection failed: " + e.getMessage());
Toast.makeText(BluetoothSyncActivity.this, "Connection failed", Toast.LENGTH_SHORT).show();
}
});
try {
socket.close();
} catch (IOException closeException) {
Log.e(TAG, "Could not close client socket", closeException);
}
return;
}
// Connection successful
manageConnectedSocket(socket);
}
public void cancel() {
try {
if (socket != null) {
socket.close();
}
} catch (IOException e) {
Log.e(TAG, "Could not close client socket", e);
}
}
}
// Thread for managing a connected socket
private class ConnectedThread extends Thread {
private BluetoothSocket socket;
private InputStream inputStream;
private OutputStream outputStream;
public ConnectedThread(BluetoothSocket socket) {
this.socket = socket;
try {
inputStream = socket.getInputStream();
outputStream = socket.getOutputStream();
} catch (IOException e) {
Log.e(TAG, "Error occurred when creating input/output streams", e);
}
}
@Override
public void run() {
byte[] buffer = new byte[1024];
int numBytes;
// Keep listening to the InputStream while connected
while (true) {
try {
numBytes = inputStream.read(buffer);
String receivedMessage = new String(buffer, 0, numBytes, "UTF-8");
handleReceivedMessage(receivedMessage);
} catch (IOException e) {
Log.d(TAG, "Input stream was disconnected", e);
mainHandler.post(new Runnable() {
@Override
public void run() {
updateProgress("Connection lost");
}
});
break;
}
}
}
public void write(String message) {
try {
byte[] bytes = message.getBytes("UTF-8");
outputStream.write(bytes);
Log.d(TAG, "Sent: " + message);
} catch (IOException e) {
Log.e(TAG, "Error occurred when sending data", e);
}
}
public void cancel() {
try {
socket.close();
} catch (IOException e) {
Log.e(TAG, "Could not close connected socket", e);
}
}
}
private void manageConnectedSocket(BluetoothSocket socket) {
mainHandler.post(new Runnable() {
@Override
public void run() {
updateProgress("Connected! Starting sync...");
}
});
// Cancel existing threads
if (connectThread != null) {
connectThread.cancel();
connectThread = null;
}
if (acceptThread != null) {
acceptThread.cancel();
acceptThread = null;
}
// Start the connected thread
connectedThread = new ConnectedThread(socket);
connectedThread.start();
// Start the sync protocol
startSyncProtocol();
}
private void handleReceivedMessage(String message) {
Log.d(TAG, "Received: " + message);
String[] parts = message.split("\\|", 2);
String command = parts[0];
String data = parts.length > 1 ? parts[1] : "";
switch (command) {
case PROTOCOL_HANDSHAKE:
handleHandshake(data);
break;
case PROTOCOL_FILE_LIST:
handleFileList(data);
break;
case PROTOCOL_FILE_REQUEST:
handleFileRequest(data);
break;
case PROTOCOL_FILE_DATA:
handleFileData(data);
break;
case PROTOCOL_SYNC_COMPLETE:
handleSyncComplete();
break;
case PROTOCOL_ERROR:
handleError(data);
break;
}
}
private void startSyncProtocol() {
if (connectedThread != null) {
connectedThread.write(PROTOCOL_HANDSHAKE + "|" + android.os.Build.MODEL);
}
}
private void handleHandshake(String deviceInfo) {
mainHandler.post(new Runnable() {
@Override
public void run() {
updateProgress("Handshake received from " + deviceInfo);
}
});
// Send our file list
sendFileList();
}
private void sendFileList() {
List<NoteManager.NoteInfo> notes = NoteManager.getAllNoteInfo(notesDirectory);
StringBuilder fileList = new StringBuilder();
for (NoteManager.NoteInfo note : notes) {
if (fileList.length() > 0) {
fileList.append(";");
}
fileList.append(note.name).append(",")
.append(note.lastModified).append(",")
.append(note.hash);
}
if (connectedThread != null) {
connectedThread.write(PROTOCOL_FILE_LIST + "|" + fileList.toString());
}
}
private void handleFileList(String fileListData) {
// Parse remote file list and determine what files to sync
mainHandler.post(new Runnable() {
@Override
public void run() {
updateProgress("Comparing files...");
}
});
// Simple implementation: request all files that are different
// In a full implementation, you'd compare timestamps and hashes
String[] files = fileListData.split(";");
for (String fileInfo : files) {
if (!fileInfo.isEmpty()) {
String[] parts = fileInfo.split(",");
if (parts.length >= 3) {
String fileName = parts[0];
long timestamp = Long.parseLong(parts[1]);
String hash = parts[2];
// Check if we need this file
NoteManager.NoteInfo localNote = NoteManager.getNoteInfo(notesDirectory, fileName);
if (localNote == null || localNote.lastModified < timestamp || !localNote.hash.equals(hash)) {
// Request this file
if (connectedThread != null) {
connectedThread.write(PROTOCOL_FILE_REQUEST + "|" + fileName);
}
}
}
}
}
// Send sync complete when done
mainHandler.postDelayed(new Runnable() {
@Override
public void run() {
if (connectedThread != null) {
connectedThread.write(PROTOCOL_SYNC_COMPLETE + "|");
}
}
}, 1000);
}
private void handleFileRequest(String fileName) {
String content = NoteManager.loadNote(notesDirectory, fileName);
if (content != null) {
if (connectedThread != null) {
connectedThread.write(PROTOCOL_FILE_DATA + "|" + fileName + ":" + content);
}
} else {
if (connectedThread != null) {
connectedThread.write(PROTOCOL_ERROR + "|File not found: " + fileName);
}
}
}
private void handleFileData(String fileData) {
int colonIndex = fileData.indexOf(':');
if (colonIndex > 0) {
String fileName = fileData.substring(0, colonIndex);
String content = fileData.substring(colonIndex + 1);
boolean saved = NoteManager.saveNote(notesDirectory, fileName, content);
mainHandler.post(new Runnable() {
@Override
public void run() {
if (saved) {
updateProgress("Received file: " + fileName);
} else {
updateProgress("Failed to save: " + fileName);
}
}
});
}
}
private void handleSyncComplete() {
mainHandler.post(new Runnable() {
@Override
public void run() {
updateProgress("Sync completed successfully!");
Toast.makeText(BluetoothSyncActivity.this, "Sync completed!", Toast.LENGTH_LONG).show();
// Close connection after a delay
mainHandler.postDelayed(new Runnable() {
@Override
public void run() {
finish();
}
}, 2000);
}
});
}
private void handleError(String error) {
mainHandler.post(new Runnable() {
@Override
public void run() {
updateProgress("Error: " + error);
Toast.makeText(BluetoothSyncActivity.this, "Sync error: " + error, Toast.LENGTH_SHORT).show();
}
});
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (requestCode == REQUEST_DISCOVERABLE) {
if (resultCode > 0) {
updateStatus("Device is discoverable for " + resultCode + " seconds");
updateProgress("Waiting for incoming connections...");
} else {
updateStatus("Discoverable request denied");
}
}
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case android.R.id.home:
finish();
return true;
default:
return super.onOptionsItemSelected(item);
}
}
@Override
protected void onDestroy() {
super.onDestroy();
// Clean up threads
if (connectThread != null) {
connectThread.cancel();
}
if (connectedThread != null) {
connectedThread.cancel();
}
if (acceptThread != null) {
acceptThread.cancel();
}
// Unregister broadcast receiver
try {
unregisterReceiver(discoveryReceiver);
} catch (IllegalArgumentException e) {
// Receiver was not registered
}
// Stop discovery
if (bluetoothAdapter != null && checkBluetoothPermission() && bluetoothAdapter.isDiscovering()) {
bluetoothAdapter.cancelDiscovery();
}
}
}

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package org.eu.octt.notetand;
import android.annotation.SuppressLint;
import android.annotation.TargetApi;
import android.app.Activity;
import android.os.Build;
import android.os.Bundle;
import android.view.Menu;
import android.view.Window;
import java.lang.reflect.Method;
abstract public class CustomActivity extends Activity {
@SuppressLint("InlinedApi")
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
SettingsManager.setup(this);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
switch (SettingsManager.getTheme()) {
case "holo_dark":
setTheme(android.R.style.Theme_Holo);
break;
case "holo_light":
setTheme(android.R.style.Theme_Holo_Light);
break;
case "material_dark":
setTheme(android.R.style.Theme_Material);
break;
case "material_light":
setTheme(android.R.style.Theme_Material_Light);
break;
default:
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q)
setTheme(android.R.style.Theme_DeviceDefault_DayNight);
break;
}
}
}
@Override
public boolean onMenuOpened(int featureId, Menu menu) {
if (featureId == Window.FEATURE_ACTION_BAR && menu != null) {
try {
Method method = menu.getClass().getDeclaredMethod("setOptionalIconsVisible", Boolean.TYPE);
method.setAccessible(true);
method.invoke(menu, true);
} catch (Exception e) {
e.printStackTrace();
}
}
return super.onMenuOpened(featureId, menu);
}
void setActionBarBack() {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB && getActionBar() != null) {
getActionBar().setDisplayHomeAsUpEnabled(true);
}
}
}

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package org.eu.octt.notetand;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import java.util.List;
public class MainActivity extends CustomActivity {
ListView listNotes;
List<String> notesList;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
NoteManager.setup(this);
listNotes = findViewById(R.id.list_notes);
// var notesList = NoteManager.getAllNoteNames(); // new ArrayList<String>();
// var notesAdapter = new ArrayAdapter<>(this, android.R.layout.simple_list_item_1, notesList);
// listNotes.setAdapter(notesAdapter);
// // Use Android/data/packagename/files/notes structure
// var notesDirectory = new File(getExternalFilesDir(null), "notes");
// if (!notesDirectory.exists()) {
// notesDirectory.mkdirs();
// }
// for (var file : notesDirectory.listFiles()) {
// for (var file : NoteManager.notesDirectory.listFiles()) {
// if (file.isFile() && file.getName().toLowerCase().endsWith(".txt")) {
// notesList.add(file.getName());
// }
// }
// notesAdapter.notifyDataSetChanged();
listNotes.setOnItemClickListener((parent, view, position, id) ->
launchNote(notesList.get(position), false));
}
@Override
protected void onStart() {
super.onStart();
notesList = NoteManager.getAllNoteNames(); // new ArrayList<String>();
var notesAdapter = new ArrayAdapter<>(this, android.R.layout.simple_list_item_1, notesList);
listNotes.setAdapter(notesAdapter);
notesAdapter.notifyDataSetChanged();
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.main_menu, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
var id = item.getItemId();
if (id == R.id.action_new) {
launchNote(null, true);
} else if (id == R.id.action_receive) {
startActivity(new Intent(this, ReceiveActivity.class));
} else if (id == R.id.action_settings) {
startActivity(new Intent(this, SettingsActivity.class));
} else if (id == R.id.action_about) {
startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse("https://gitlab.com/octospacc/NoteTand")));
} else {
return super.onOptionsItemSelected(item);
}
return true;
}
void launchNote(String name, boolean isNew) {
startActivity(
new Intent(this, NoteActivity.class)
.putExtra("is_new", isNew)
.putExtra("note_name", name)
);
}
}

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package org.eu.octt.notetand;
import android.Manifest;
import android.app.Activity;
import android.app.AlertDialog;
import android.bluetooth.BluetoothAdapter;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.os.Build;
import android.os.Bundle;
import android.view.ContextMenu;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;
import java.io.File;
import java.util.ArrayList;
public class MainActivity1 extends Activity {
private static final int REQUEST_ENABLE_BT = 1001;
private static final int REQUEST_PERMISSIONS = 1002;
private static final int REQUEST_BLUETOOTH_PERMISSIONS = 1003;
private ListView listNotes;
private TextView txtStatus;
private TextView txtNoteCount;
private Button btnSync;
private Button btnAddNote;
private ArrayList<String> notesList;
private ArrayAdapter<String> notesAdapter;
private File notesDirectory;
private BluetoothAdapter bluetoothAdapter;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main_activity_1);
initializeViews();
setupNotesDirectory();
checkPermissions();
initializeBluetooth();
loadNotes();
setupListeners();
}
private void initializeViews() {
listNotes = findViewById(R.id.list_notes);
txtStatus = findViewById(R.id.txt_status);
txtNoteCount = findViewById(R.id.txt_note_count);
btnSync = findViewById(R.id.btn_sync);
btnAddNote = findViewById(R.id.btn_add_note);
notesList = new ArrayList<>();
notesAdapter = new ArrayAdapter<>(this, android.R.layout.simple_list_item_1, notesList);
listNotes.setAdapter(notesAdapter);
// Register context menu for long press
registerForContextMenu(listNotes);
}
private void setupNotesDirectory() {
// Use Android/data/packagename/files/notes structure
File externalFilesDir = getExternalFilesDir(null);
if (externalFilesDir != null) {
notesDirectory = new File(externalFilesDir, "notes");
if (!notesDirectory.exists()) {
boolean created = notesDirectory.mkdirs();
if (created) {
updateStatus("Notes directory created");
} else {
updateStatus("Failed to create notes directory");
}
}
} else {
// Fallback to internal storage
notesDirectory = new File(getFilesDir(), "notes");
if (!notesDirectory.exists()) {
notesDirectory.mkdirs();
}
updateStatus("Using internal storage");
}
}
private void checkPermissions() {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
ArrayList<String> permissionsNeeded = new ArrayList<>();
// Storage permissions (for API < 30)
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.R) {
if (checkSelfPermission(Manifest.permission.READ_EXTERNAL_STORAGE)
!= PackageManager.PERMISSION_GRANTED) {
permissionsNeeded.add(Manifest.permission.READ_EXTERNAL_STORAGE);
}
if (checkSelfPermission(Manifest.permission.WRITE_EXTERNAL_STORAGE)
!= PackageManager.PERMISSION_GRANTED) {
permissionsNeeded.add(Manifest.permission.WRITE_EXTERNAL_STORAGE);
}
}
// Location permission for Bluetooth scanning
if (checkSelfPermission(Manifest.permission.ACCESS_FINE_LOCATION)
!= PackageManager.PERMISSION_GRANTED) {
permissionsNeeded.add(Manifest.permission.ACCESS_FINE_LOCATION);
}
if (!permissionsNeeded.isEmpty()) {
requestPermissions(permissionsNeeded.toArray(new String[0]), REQUEST_PERMISSIONS);
}
}
}
private void initializeBluetooth() {
bluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
if (bluetoothAdapter == null) {
updateStatus("Bluetooth not supported");
btnSync.setEnabled(false);
return;
}
if (!bluetoothAdapter.isEnabled()) {
updateStatus("Bluetooth disabled");
btnSync.setText("Enable BT");
} else {
updateStatus("Bluetooth ready");
btnSync.setText("Sync");
}
}
private void loadNotes() {
notesList.clear();
if (notesDirectory != null && notesDirectory.exists()) {
File[] files = notesDirectory.listFiles();
if (files != null) {
for (File file : files) {
if (file.isFile() && file.getName().endsWith(".txt")) {
String noteName = file.getName().replace(".txt", "");
notesList.add(noteName);
}
}
}
}
notesAdapter.notifyDataSetChanged();
updateNoteCount();
if (notesList.isEmpty()) {
updateStatus("No notes found. Tap + to create one.");
} else {
updateStatus("Loaded " + notesList.size() + " notes");
}
}
private void setupListeners() {
btnAddNote.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
createNewNote();
}
});
btnSync.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
handleSyncButtonClick();
}
});
listNotes.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
String noteName = notesList.get(position);
openNote(noteName);
}
});
}
@Override
public void onCreateContextMenu(ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo) {
super.onCreateContextMenu(menu, v, menuInfo);
if (v.getId() == R.id.list_notes) {
AdapterView.AdapterContextMenuInfo info = (AdapterView.AdapterContextMenuInfo) menuInfo;
String noteName = notesList.get(info.position);
menu.setHeaderTitle(noteName);
menu.add(0, 1, 0, "Open");
menu.add(0, 2, 0, "Delete");
}
}
@Override
public boolean onContextItemSelected(MenuItem item) {
AdapterView.AdapterContextMenuInfo info = (AdapterView.AdapterContextMenuInfo) item.getMenuInfo();
final String noteName = notesList.get(info.position);
switch (item.getItemId()) {
case 1: // Open
openNote(noteName);
return true;
case 2: // Delete
new AlertDialog.Builder(this)
.setTitle("Delete Note")
.setMessage("Are you sure you want to delete '" + noteName + "'?")
.setPositiveButton("Delete", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
deleteNote(noteName);
}
})
.setNegativeButton("Cancel", null)
.show();
return true;
default:
return super.onContextItemSelected(item);
}
}
private void createNewNote() {
// For now, create a simple numbered note
String newNoteName = "Note_" + System.currentTimeMillis();
Intent intent = new Intent(this, NoteActivity.class);
intent.putExtra("note_name", newNoteName);
intent.putExtra("is_new", true);
startActivity(intent);
}
private void openNote(String noteName) {
Intent intent = new Intent(this, NoteActivity.class);
intent.putExtra("note_name", noteName);
intent.putExtra("is_new", false);
startActivity(intent);
}
private void deleteNote(String noteName) {
File noteFile = new File(notesDirectory, noteName + ".txt");
if (noteFile.exists()) {
boolean deleted = noteFile.delete();
if (deleted) {
updateStatus("Note deleted: " + noteName);
loadNotes();
} else {
updateStatus("Failed to delete note");
}
}
}
private void handleSyncButtonClick() {
if (bluetoothAdapter == null) {
Toast.makeText(this, "Bluetooth not supported", Toast.LENGTH_SHORT).show();
return;
}
if (!bluetoothAdapter.isEnabled()) {
// Request to enable Bluetooth
Intent enableBtIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
startActivityForResult(enableBtIntent, REQUEST_ENABLE_BT);
} else {
// Check Bluetooth permissions for newer Android versions
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
checkBluetoothPermissions();
} else {
startBluetoothSync();
}
}
}
private void checkBluetoothPermissions() {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
ArrayList<String> permissionsNeeded = new ArrayList<>();
if (checkSelfPermission(Manifest.permission.BLUETOOTH_SCAN)
!= PackageManager.PERMISSION_GRANTED) {
permissionsNeeded.add(Manifest.permission.BLUETOOTH_SCAN);
}
if (checkSelfPermission(Manifest.permission.BLUETOOTH_CONNECT)
!= PackageManager.PERMISSION_GRANTED) {
permissionsNeeded.add(Manifest.permission.BLUETOOTH_CONNECT);
}
if (checkSelfPermission(Manifest.permission.BLUETOOTH_ADVERTISE)
!= PackageManager.PERMISSION_GRANTED) {
permissionsNeeded.add(Manifest.permission.BLUETOOTH_ADVERTISE);
}
if (!permissionsNeeded.isEmpty()) {
requestPermissions(permissionsNeeded.toArray(new String[0]),
REQUEST_BLUETOOTH_PERMISSIONS);
} else {
startBluetoothSync();
}
} else {
startBluetoothSync();
}
}
private void startBluetoothSync() {
Intent intent = new Intent(this, BluetoothSyncActivity.class);
intent.putExtra("notes_directory", notesDirectory.getAbsolutePath());
startActivity(intent);
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (requestCode == REQUEST_ENABLE_BT) {
if (resultCode == RESULT_OK) {
updateStatus("Bluetooth enabled");
btnSync.setText("Sync");
} else {
updateStatus("Bluetooth enable cancelled");
}
}
}
@Override
public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
super.onRequestPermissionsResult(requestCode, permissions, grantResults);
switch (requestCode) {
case REQUEST_PERMISSIONS:
boolean allGranted = true;
for (int result : grantResults) {
if (result != PackageManager.PERMISSION_GRANTED) {
allGranted = false;
break;
}
}
if (allGranted) {
updateStatus("Permissions granted");
} else {
updateStatus("Some permissions denied");
}
break;
case REQUEST_BLUETOOTH_PERMISSIONS:
boolean bluetoothGranted = true;
for (int result : grantResults) {
if (result != PackageManager.PERMISSION_GRANTED) {
bluetoothGranted = false;
break;
}
}
if (bluetoothGranted) {
startBluetoothSync();
} else {
Toast.makeText(this, "Bluetooth permissions required for sync",
Toast.LENGTH_SHORT).show();
}
break;
}
}
@Override
protected void onResume() {
super.onResume();
loadNotes(); // Refresh notes list when returning from editor
}
private void updateStatus(String status) {
txtStatus.setText(status);
}
private void updateNoteCount() {
int count = notesList.size();
txtNoteCount.setText(count + (count == 1 ? " note" : " notes"));
}
public File getNotesDirectory() {
return notesDirectory;
}
}

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package org.eu.octt.notetand;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.os.Build;
import android.os.Bundle;
import android.text.Editable;
import android.text.TextWatcher;
import android.view.KeyEvent;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;
import java.io.File;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;
import java.util.Random;
public class NoteActivity extends CustomActivity {
String[] EMOJIS = {"🐕", "🐶", "🐩", "🐈", "🐱", "🐀", "🐁", "🐭", "🐹", "🐢", "🐇", "🐰", "🐓", "🐔", "🐣", "🐤", "🐥", "🐦", "🐏", "🐑", "🐐", "🐺", "🐃", "🐂", "🐄", "🐮", "🐴", "🐗", "🐖", "🐷", "🐽", "🐸", "🐍", "🐼", "🐧", "🐘", "🐨", "🐒", "🐵", "🐆", "🐯", "🐻", "🐫", "🐪", "🐊", "🐳", "🐋", "🐟", "🐠", "🐡", "🐙", "🐚", "🐬", "🐌", "🐛", "🐜", "🐝", "🐞", "🐲", "🐉", "🐾", "👻", "👹", "👺", "👽", "👾", "👿", "💀", "💖", "💗", "💘", "💝", "💞", "💟", "🍙", "🍘", "🍠", "🍌", "🍎", "🍏", "🍊", "🍋", "🍄", "🍅", "🍆", "🍇", "🍈", "🍉", "🍐", "🍑", "🍒", "🍓", "🍍", "🌰", "🌱", "🌲", "🌳", "🌴", "🌵", "🌷", "🌸", "🌹", "🍀", "🍁", "🍂", "🍃", "🌺", "🌻", "🌼", "🌽", "🌾", "🌿"};
private EditText editNoteName;
private EditText editNoteContent;
private TextView txtNoteInfo;
// private Button btnSave;
// private Button btnDelete;
private String originalNoteName;
private String originalContent;
private boolean isNewNote;
private boolean hasUnsavedChanges;
private File notesDirectory;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_note);
setActionBarBack();
NoteManager.setup(this);
initializeViews();
setupNotesDirectory();
loadNoteFromIntent();
setupListeners();
updateNoteInfo();
}
private void initializeViews() {
editNoteName = findViewById(R.id.edit_note_name);
editNoteContent = findViewById(R.id.edit_note_content);
txtNoteInfo = findViewById(R.id.txt_note_info);
// btnSave = findViewById(R.id.btn_save);
// btnDelete = findViewById(R.id.btn_delete);
}
private void setupNotesDirectory() {
// Get notes directory from MainActivity
File externalFilesDir = getExternalFilesDir(null);
if (externalFilesDir != null) {
notesDirectory = new File(externalFilesDir, "notes");
} else {
notesDirectory = new File(getFilesDir(), "notes");
}
}
private void loadNoteFromIntent() {
Intent intent = getIntent();
if (Intent.ACTION_SEND.equals(intent.getAction()) && "text/plain".equals(intent.getType())) {
originalContent = intent.getStringExtra(Intent.EXTRA_TEXT);
} else {
originalContent = intent.getStringExtra("content");
originalNoteName = intent.getStringExtra("note_name");
isNewNote = intent.getBooleanExtra("is_new", false);
}
if (originalNoteName == null) {
// originalNoteName = "Note_" + System.currentTimeMillis() + ".txt";
originalNoteName = (new SimpleDateFormat("yyyy-MM-dd HH-mm-ss.SSS")).format(new Date()) + ' ' + EMOJIS[(new Random()).nextInt(EMOJIS.length)] + ".txt";
isNewNote = true;
}
editNoteName.setText(originalNoteName);
if (!isNewNote || originalContent != null) {
// Load existing note content
if (originalNoteName != null && originalContent == null)
originalContent = NoteManager.loadNote(notesDirectory, originalNoteName);
if (originalContent != null) {
editNoteContent.setText(originalContent);
editNoteContent.setSelection(originalContent.length()); // Move cursor to end
} else {
originalContent = "";
Toast.makeText(this, "Error loading note", Toast.LENGTH_SHORT).show();
}
// btnDelete.setVisibility(View.VISIBLE);
//} else if (originalNoteName == null && originalContent == null) {
// originalContent = intent.getStringExtra("content");
} // else {
// originalContent = "";
// // btnDelete.setVisibility(View.GONE);
// }
if (originalContent == null) {
originalContent = "";
}
hasUnsavedChanges = (isNewNote && !originalContent.isEmpty()); // false;
if (hasUnsavedChanges)
setTitle("* " + getString(R.string.note));
}
private void setupListeners() {
// btnSave.setOnClickListener(v -> saveNote());
//
// btnDelete.setOnClickListener(v -> confirmDeleteNote());
// Track changes to note name
editNoteName.addTextChangedListener(new TextWatcher() {
@Override
public void beforeTextChanged(CharSequence s, int start, int count, int after) {}
@Override
public void onTextChanged(CharSequence s, int start, int before, int count) {
checkForChanges();
}
@Override
public void afterTextChanged(Editable s) {}
});
// Track changes to note content
editNoteContent.addTextChangedListener(new TextWatcher() {
@Override
public void beforeTextChanged(CharSequence s, int start, int count, int after) {}
@Override
public void onTextChanged(CharSequence s, int start, int before, int count) {
checkForChanges();
updateNoteInfo();
}
@Override
public void afterTextChanged(Editable s) {}
});
}
private void checkForChanges() {
String currentName = editNoteName.getText().toString().trim();
String currentContent = editNoteContent.getText().toString();
hasUnsavedChanges = !currentName.equals(originalNoteName) || !currentContent.equals(originalContent);
// Update title to indicate unsaved changes
//if (getActionBar() != null) {
if (hasUnsavedChanges) {
/*getActionBar().*/setTitle("* " + getString(R.string.note) /* currentName */);
} else {
/*getActionBar().*/setTitle(getString(R.string.note) /* currentName */);
}
//}
}
private void updateNoteInfo() {
String content = editNoteContent.getText().toString();
int characterCount = content.length();
int wordCount = content.trim().isEmpty() ? 0 : content.trim().split("\\s+").length;
int lineCount = content.split("\n").length;
if (isNewNote && !hasUnsavedChanges) {
txtNoteInfo.setText(R.string.new_note);
} else {
txtNoteInfo.setText(String.format(Locale.getDefault(), "%d chars, %d words, %d lines", characterCount, wordCount, lineCount));
}
}
private void saveNote() {
String noteName = editNoteName.getText().toString().trim();
// String content = editNoteContent.getText().toString();
// Validate note name
if (noteName.isEmpty()) {
editNoteName.setError("Note name cannot be empty");
editNoteName.requestFocus();
return;
}
// Sanitize note name
String sanitizedName = NoteManager.sanitizeNoteName(noteName);
if (!sanitizedName.equals(noteName)) {
editNoteName.setText(sanitizedName);
noteName = sanitizedName;
Toast.makeText(this, "Note name was sanitized for compatibility", Toast.LENGTH_SHORT).show();
}
// Check if we're renaming and the new name already exists
if (!noteName.equals(originalNoteName) && NoteManager.noteExists(notesDirectory, noteName)) {
new AlertDialog.Builder(this)
.setTitle("Note Already Exists")
.setMessage("A note with the name '" + noteName + "' already exists. Do you want to overwrite it?")
.setPositiveButton("Overwrite", (dialog, which) -> performSave())
.setNeutralButton("Cancel", null)
.show();
} else {
performSave();
}
}
private void performSave() {
String noteName = editNoteName.getText().toString().trim();
String content = editNoteContent.getText().toString();
// Delete old note if we're renaming
if (!isNewNote && !noteName.equals(originalNoteName)) {
NoteManager.deleteNote(notesDirectory, originalNoteName);
}
// Save the note
boolean success = NoteManager.saveNote(notesDirectory, noteName, content);
if (success) {
originalNoteName = noteName;
originalContent = content;
isNewNote = false;
hasUnsavedChanges = false;
// btnDelete.setVisibility(View.VISIBLE);
//if (getActionBar() != null) {
/*getActionBar().*/setTitle(getString(R.string.note) /* noteName */);
//}
Toast.makeText(this, R.string.note_saved, Toast.LENGTH_SHORT).show();
updateNoteInfo();
} else {
Toast.makeText(this, "Error saving note", Toast.LENGTH_SHORT).show();
}
}
private void confirmDeleteNote() {
if (isNewNote) {
// Just finish if it's a new unsaved note
finish();
return;
}
new AlertDialog.Builder(this)
.setTitle(R.string.delete_note)
.setMessage(getString(R.string.delete_note_message, originalNoteName))
.setPositiveButton(R.string.delete, (dialog, which) -> deleteNote())
.setNeutralButton(R.string.cancel, null)
.show();
}
private void deleteNote() {
boolean success = NoteManager.deleteNote(notesDirectory, originalNoteName);
if (success) {
Toast.makeText(this, R.string.note_deleted, Toast.LENGTH_SHORT).show();
finish();
} else {
Toast.makeText(this, "Error deleting note", Toast.LENGTH_SHORT).show();
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.note_menu, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
var id = item.getItemId();
if (id == R.id.action_save) {
saveNote();
} else if (id == R.id.action_delete) {
confirmDeleteNote();
} else if (id == R.id.action_send) {
startActivity(new Intent(this, SendActivity.class).putExtra("note", originalNoteName));
} else if (id == R.id.action_share) {
startActivity(new Intent(Intent.ACTION_SEND).setType("text/plain").putExtra(Intent.EXTRA_TEXT, originalContent));
} else if (id == android.R.id.home) {
onBackPressed();
} else {
return super.onOptionsItemSelected(item);
}
return true;
}
// @Override
// public boolean onOptionsItemSelected(MenuItem item) {
// switch (item.getItemId()) {
// case android.R.id.home:
// onBackPressed();
// return true;
// default:
// return super.onOptionsItemSelected(item);
// }
// }
@Override
public void onBackPressed() {
if (hasUnsavedChanges) {
new AlertDialog.Builder(this)
.setTitle(R.string.unsaved_changes)
.setMessage(R.string.unsaved_changes_message)
.setPositiveButton(R.string.save, (dialog, which) -> {
saveNote();
if (!hasUnsavedChanges) { // Only finish if save was successful
finish();
}
})
.setNegativeButton(R.string.discard, (dialog, which) -> finish())
.setNeutralButton(R.string.cancel, null)
.show();
} else {
super.onBackPressed();
}
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
// Handle Ctrl+S for save (for external keyboards)
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB && keyCode == KeyEvent.KEYCODE_S && event.isCtrlPressed()) {
saveNote();
return true;
}
return super.onKeyDown(keyCode, event);
}
}

328
app/src/main/java/org/eu/octt/notetand/NoteManager.java Normal file
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package org.eu.octt.notetand;
import android.content.Context;
import android.util.Log;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
public class NoteManager {
private static final String TAG = "NoteManager";
public static File notesDirectory;
public static class NoteInfo {
public String name;
public String content;
public long lastModified;
public String hash;
public long size;
public NoteInfo(String name, String content, long lastModified) {
this.name = name;
this.content = content;
this.lastModified = lastModified;
this.size = content.getBytes().length;
this.hash = calculateHash(content);
}
}
/**
* Save a note to the specified directory
*/
public static boolean saveNote(File notesDir, String noteName, String content) {
try {
File noteFile = new File(notesDir, noteName /* + ".txt" */);
FileOutputStream fos = new FileOutputStream(noteFile);
fos.write(content.getBytes("UTF-8"));
fos.close();
Log.d(TAG, "Note saved: " + noteName);
return true;
} catch (IOException e) {
Log.e(TAG, "Error saving note: " + noteName, e);
return false;
}
}
public static boolean saveNote(String noteName, String content) {
try {
File noteFile = new File(notesDirectory, noteName /* + ".txt" */);
FileOutputStream fos = new FileOutputStream(noteFile);
fos.write(content.getBytes("UTF-8"));
fos.close();
Log.d(TAG, "Note saved: " + noteName);
return true;
} catch (IOException e) {
Log.e(TAG, "Error saving note: " + noteName, e);
return false;
}
}
/**
* Load a note from the specified directory
*/
public static String loadNote(File notesDir, String noteName) {
try {
File noteFile = new File(notesDir, noteName /* + ".txt" */);
if (!noteFile.exists()) {
return null;
}
FileInputStream fis = new FileInputStream(noteFile);
BufferedReader reader = new BufferedReader(new InputStreamReader(fis, "UTF-8"));
StringBuilder content = new StringBuilder();
String line;
while ((line = reader.readLine()) != null) {
content.append(line).append("\n");
}
reader.close();
fis.close();
// Remove last newline if present
if (content.length() > 0 && content.charAt(content.length() - 1) == '\n') {
content.deleteCharAt(content.length() - 1);
}
return content.toString();
} catch (IOException e) {
Log.e(TAG, "Error loading note: " + noteName, e);
return null;
}
}
public static String loadNote(String noteName) {
try {
File noteFile = new File(notesDirectory, noteName);
if (!noteFile.exists()) {
return null;
}
FileInputStream fis = new FileInputStream(noteFile);
BufferedReader reader = new BufferedReader(new InputStreamReader(fis, "UTF-8"));
StringBuilder content = new StringBuilder();
String line;
while ((line = reader.readLine()) != null) {
content.append(line).append("\n");
}
reader.close();
fis.close();
// Remove last newline if present
if (content.length() > 0 && content.charAt(content.length() - 1) == '\n') {
content.deleteCharAt(content.length() - 1);
}
return content.toString();
} catch (IOException e) {
Log.e(TAG, "Error loading note: " + noteName, e);
return null;
}
}
/**
* Delete a note from the specified directory
*/
public static boolean deleteNote(File notesDir, String noteName) {
File noteFile = new File(notesDir, noteName /* + ".txt" */);
if (noteFile.exists()) {
boolean deleted = noteFile.delete();
if (deleted) {
Log.d(TAG, "Note deleted: " + noteName);
} else {
Log.e(TAG, "Failed to delete note: " + noteName);
}
return deleted;
}
return false;
}
/**
* Get all notes from the specified directory
*/
// public static List<String> getAllNoteNames(File notesDir) {
// List<String> noteNames = new ArrayList<>();
//
// if (notesDir != null && notesDir.exists()) {
// File[] files = notesDir.listFiles();
// if (files != null) {
// for (File file : files) {
// if (file.isFile() && file.getName().toLowerCase().endsWith(".txt")) {
// String noteName = file.getName();//.replace(".txt", "");
// noteNames.add(noteName);
// }
// }
// }
// }
//
// return noteNames;
// }
public static List<String> getAllNoteNames() {
var noteNames = new ArrayList<String>();
var files = notesDirectory.listFiles();
if (files != null) {
for (File file : files) {
if (file.isFile() && file.getName().toLowerCase().endsWith(".txt")) {
noteNames.add(file.getName());
}
}
}
Collections.reverse(noteNames);
return noteNames;
}
/**
* Get detailed information about all notes
*/
public static List<NoteInfo> getAllNoteInfo(File notesDir) {
List<NoteInfo> noteInfoList = new ArrayList<>();
if (notesDir != null && notesDir.exists()) {
File[] files = notesDir.listFiles();
if (files != null) {
for (File file : files) {
if (file.isFile() && file.getName().toLowerCase().endsWith(".txt")) {
String noteName = file.getName();//.replace(".txt", "");
String content = loadNote(notesDir, noteName);
if (content != null) {
NoteInfo info = new NoteInfo(noteName, content, file.lastModified());
noteInfoList.add(info);
}
}
}
}
}
return noteInfoList;
}
/**
* Get information about a specific note
*/
public static NoteInfo getNoteInfo(File notesDir, String noteName) {
File noteFile = new File(notesDir, noteName /* + ".txt" */);
if (!noteFile.exists()) {
return null;
}
String content = loadNote(notesDir, noteName);
if (content != null) {
return new NoteInfo(noteName, content, noteFile.lastModified());
}
return null;
}
/**
* Calculate SHA-256 hash of content for sync comparison
*/
public static String calculateHash(String content) {
try {
MessageDigest digest = MessageDigest.getInstance("SHA-256");
byte[] hash = digest.digest(content.getBytes("UTF-8"));
StringBuilder hexString = new StringBuilder();
for (byte b : hash) {
String hex = Integer.toHexString(0xff & b);
if (hex.length() == 1) {
hexString.append('0');
}
hexString.append(hex);
}
return hexString.toString();
} catch (NoSuchAlgorithmException | IOException e) {
Log.e(TAG, "Error calculating hash", e);
return String.valueOf(content.hashCode()); // Fallback to simple hash
}
}
/**
* Check if a note exists
*/
public static boolean noteExists(File notesDir, String noteName) {
File noteFile = new File(notesDir, noteName /* + ".txt" */);
return noteFile.exists();
}
/**
* Get the size of notes directory
*/
public static long getDirectorySize(File notesDir) {
long size = 0;
if (notesDir != null && notesDir.exists()) {
File[] files = notesDir.listFiles();
if (files != null) {
for (File file : files) {
if (file.isFile()) {
size += file.length();
}
}
}
}
return size;
}
/**
* Validate note name (no special characters that could cause file system issues)
*/
public static boolean isValidNoteName(String noteName) {
if (noteName == null || noteName.trim().isEmpty()) {
return false;
}
// Check for invalid characters
String invalidChars = "\\/:*?\"<>|";
for (char c : invalidChars.toCharArray()) {
if (noteName.indexOf(c) != -1) {
return false;
}
}
// Check length (filesystem limitations)
return noteName.length() <= 100;
}
/**
* Sanitize note name for file system compatibility
*/
public static String sanitizeNoteName(String noteName) {
if (noteName == null) {
return "untitled";
}
// Replace invalid characters with underscores
String sanitized = noteName.replaceAll("[\\\\/:*?\"<>|]", "_");
// Trim and limit length
sanitized = sanitized.trim();
if (sanitized.length() > 100) {
sanitized = sanitized.substring(0, 100);
}
// Ensure it's not empty
if (sanitized.isEmpty()) {
sanitized = "untitled";
}
return sanitized;
}
public static void setup(Context context) {
if (NoteManager.notesDirectory == null) {
var notesDirectory = new File(context.getExternalFilesDir(null), "notes");
if (!notesDirectory.exists()) {
notesDirectory.mkdirs();
}
NoteManager.notesDirectory = notesDirectory;
}
}
}

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app/src/main/java/org/eu/octt/notetand/NoteTand.java Normal file
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package org.eu.octt.notetand;
import java.util.UUID;
public class NoteTand {
static final UUID SERVICE_UUID = UUID.fromString("fb7befa5-311b-436e-9c2f-9150fe635a40");
static String censorMac(String mac) {
if (SettingsManager.getCensorMac()) {
var parts = mac.split(":");
return parts[0] + ":••:••:••:••:" + parts[5];
} else {
return mac;
}
}
}

40
app/src/main/java/org/eu/octt/notetand/NotesProvider.java Normal file
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package org.eu.octt.notetand;
import android.annotation.TargetApi;
import android.database.Cursor;
import android.os.Build;
import android.os.CancellationSignal;
import android.os.ParcelFileDescriptor;
import android.provider.DocumentsProvider;
import java.io.FileNotFoundException;
@TargetApi(Build.VERSION_CODES.KITKAT)
public class NotesProvider extends DocumentsProvider {
@Override
public Cursor queryRoots(String[] projection) throws FileNotFoundException {
return null;
}
@Override
public Cursor queryDocument(String documentId, String[] projection) throws FileNotFoundException {
return null;
}
@Override
public Cursor queryChildDocuments(String parentDocumentId, String[] projection, String sortOrder) throws FileNotFoundException {
return null;
}
@Override
public ParcelFileDescriptor openDocument(String documentId, String mode, CancellationSignal signal) throws FileNotFoundException {
return null;
}
@Override
public boolean onCreate() {
NoteManager.setup(getContext());
return false;
}
}

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app/src/main/java/org/eu/octt/notetand/ReceiveActivity.java Normal file
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package org.eu.octt.notetand;
import android.Manifest;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothServerSocket;
import android.bluetooth.BluetoothSocket;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.os.Bundle;
import android.widget.TextView;
import android.widget.Toast;
import java.io.EOFException;
import java.io.IOException;
import java.io.InputStream;
import java.nio.ByteBuffer;
public class ReceiveActivity extends CustomActivity {
BluetoothServerSocket server;
BluetoothSocket socket;
TextView textStatus;
boolean stopped = false;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_receive);
textStatus = findViewById(R.id.text_status);
runServer();
}
@Override
public boolean onNavigateUp() {
onBackPressed();
return true;
}
@Override
public void onBackPressed() {
super.onBackPressed();
stopServer();
}
@Override
public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
super.onRequestPermissionsResult(requestCode, permissions, grantResults);
if (requestCode == BluetoothManager.REQUEST_PERMISSION_BT) {
if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED)
runServer();
else {
Toast.makeText(this, "Bluetooth permission not granted! Please retry.", Toast.LENGTH_SHORT).show();
finish();
}
}
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (requestCode == BluetoothManager.REQUEST_ENABLE_BT && resultCode == RESULT_OK)
runServer();
else {
Toast.makeText(this, "Bluetooth permission not granted! Please retry.", Toast.LENGTH_SHORT).show();
finish();
}
}
@SuppressLint("MissingPermission")
void runServer() {
if (!BluetoothManager.requireBluetooth(this)) return;
new Thread(() -> {
try {
writeStatus("Initializing Bluetooth server...");
server = BluetoothAdapter.getDefaultAdapter().listenUsingRfcommWithServiceRecord(getString(R.string.app_name), NoteTand.SERVICE_UUID);
while (true) {
writeStatus("Waiting for new client connection...");
socket = server.accept();
// if (!socket.isConnected()) return;
var client = socket.getRemoteDevice();
// textStatus.append("Connected to client!\n");
// textStatus.append("Connected: " + client.getName() + " : " + client.getAddress() + '\n');
writeStatus("Connected: " + client.getName() + " : " + NoteTand.censorMac(client.getAddress()));
// byte[] buffer = new byte[1024];
// int bytes;
//
// while ((bytes = socket.getInputStream().read(buffer)) != -1) {
// var received = new String(buffer, 0, bytes);
//
// // runOnUiThread(() -> Toast.makeText(this, "Received: " + received, Toast.LENGTH_SHORT).show());
// // textStatus.append(received + '\n');
// writeStatus("Receiving data...");
// writeStatus("> " + received);
// }
writeStatus("Reading data...");
var titleLength = ByteBuffer.wrap(readFully(4)).getInt(); // ByteBuffer.wrap(intBuffer).order(ByteOrder.BIG_ENDIAN).getInt(); // or LITTLE_ENDIAN
var titleBytes = readFully(titleLength);
var noteTitle = new String(titleBytes, "UTF-8");
var bodyLength = ByteBuffer.wrap(readFully(4)).getInt(); // ByteBuffer.wrap(intBuffer).order(ByteOrder.BIG_ENDIAN).getInt();
var bodyBytes = readFully(bodyLength);
var noteBody = new String(bodyBytes, "UTF-8");
if (titleLength == titleBytes.length && bodyLength == bodyBytes.length) {
NoteManager.saveNote(noteTitle, noteBody);
writeStatus("Received and saved note (" + titleLength + " + " + bodyLength + " bytes): " + noteTitle);
} else {
writeStatus("Content length mismatch! Expected " + titleLength + " + " + bodyLength + ", got " + titleBytes.length + " + " + bodyBytes.length);
}
// writeStatus("Finished receiving!");
}
} catch (IOException e) {
if (!stopped) {
writeStatus("Fatal error! Restarting...");
e.printStackTrace();
runServer();
}
}
}).start();
}
void stopServer() {
stopped = true;
if (server != null) {
try {
if (socket != null) {
socket.getInputStream().close();
socket.getOutputStream().close();
socket.close();
}
server.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
void writeStatus(String text) {
runOnUiThread(() -> textStatus.append(text + '\n'));
}
byte[] readFully(/* InputStream in, byte[] buffer, */ int length) throws IOException {
byte[] buffer = new byte[length];
int offset = 0;
while (offset < length) {
int count = socket.getInputStream().read(buffer, offset, length - offset);
if (count == -1) throw new EOFException("Stream ended early");
offset += count;
}
return buffer;
}
}

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app/src/main/java/org/eu/octt/notetand/SendActivity.java Normal file
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package org.eu.octt.notetand;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.app.AlertDialog;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.bluetooth.BluetoothSocket;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.os.Bundle;
import android.util.Log;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.Toast;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.Objects;
import java.util.Set;
public class SendActivity extends CustomActivity {
BluetoothSocket socket;
AlertDialog dialog;
String statusLog;
@SuppressLint("MissingPermission")
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_send);
setActionBarBack();
showTargets();
}
@Override
public boolean onNavigateUp() {
onBackPressed();
return true;
}
@Override
public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
super.onRequestPermissionsResult(requestCode, permissions, grantResults);
if (requestCode == BluetoothManager.REQUEST_PERMISSION_BT) {
if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED)
showTargets();
else {
Toast.makeText(this, "Bluetooth permission not granted! Please retry.", Toast.LENGTH_SHORT).show();
finish();
}
}
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (requestCode == BluetoothManager.REQUEST_ENABLE_BT && resultCode == RESULT_OK)
showTargets();
else {
Toast.makeText(this, "Bluetooth permission not granted! Please retry.", Toast.LENGTH_SHORT).show();
finish();
}
}
@SuppressLint("MissingPermission")
void showTargets() {
if (!BluetoothManager.requireBluetooth(this)) return;
ListView listPairedDevices = findViewById(R.id.list_paired_devices);
var pairedDevicesList = new ArrayList<BluetoothDevice>();
var pairedDevicesAdapter = new ArrayAdapter<>(this, android.R.layout.simple_list_item_1);
listPairedDevices.setAdapter(pairedDevicesAdapter);
var pairedDevices = BluetoothAdapter.getDefaultAdapter().getBondedDevices();
for (BluetoothDevice device : pairedDevices) {
pairedDevicesList.add(device);
pairedDevicesAdapter.add(device.getName() + '\n' + NoteTand.censorMac(device.getAddress()));
}
pairedDevicesAdapter.notifyDataSetChanged();
listPairedDevices.setOnItemClickListener((parent, view, position, id) -> {
statusLog = "";
dialog = new AlertDialog.Builder(this)
.setTitle("Sending Note")
.setMessage("Preparing...")
// .setNegativeButton("Abort", null)
.setNeutralButton("Close", null)
.show();
//.create();
setDialogCancelable(false);
//dialog.getButton(AlertDialog.BUTTON_NEUTRAL).setEnabled(false);
//dialog.getButton(AlertDialog.BUTTON_NEUTRAL).setVisibility(ListView.GONE);
//dialog.show();
var device = pairedDevicesList.get(position);
new Thread(() -> {
try {
writeStatus("Creating socket to target device...");
socket = device.createRfcommSocketToServiceRecord(NoteTand.SERVICE_UUID);
writeStatus("Trying to connect...");
socket.connect();
writeStatus("Connected successfully!");
Log.d("Bluetooth", "Connection successful");
var output = socket.getOutputStream();
var noteName = getIntent().getStringExtra("note");
var noteContent = NoteManager.loadNote(noteName);
var nameBytes = noteName.getBytes("UTF-8");
var contentBytes = noteContent.getBytes("UTF-8");
writeStatus("Sending data...");
output.write(ByteBuffer.allocate(4).putInt(nameBytes.length /*noteName.length()*/).array());
output.write(nameBytes);
output.write(ByteBuffer.allocate(4).putInt(contentBytes.length /*noteContent.length()*/).array());
output.write(contentBytes);
writeStatus("Note sent!");
//dialog.getButton(AlertDialog.BUTTON_NEUTRAL).setVisibility(ListView.VISIBLE);
//dialog.getButton(AlertDialog.BUTTON_NEUTRAL).setEnabled(true);
//dialog.setCancelable(true);
setDialogCancelable(true);
socket.getInputStream().close();
socket.getOutputStream().close();
socket.close();
} catch (IOException e) {
// e.printStackTrace();
Log.e("Bluetooth", "Connection failed", e);
writeStatus(e.getMessage());
setDialogCancelable(true);
}
closeSocket();
}).start();
});
}
void closeSocket() {
if (socket != null) {
try {
socket.getInputStream().close();
socket.getOutputStream().close();
socket.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
void writeStatus(String text) {
statusLog = statusLog + text + '\n';
runOnUiThread(() -> dialog.setMessage(statusLog.trim()));
}
void setDialogCancelable(boolean status) {
runOnUiThread(() -> {
//dialog.getButton(AlertDialog.BUTTON_NEUTRAL).setVisibility(ListView.VISIBLE);
dialog.getButton(AlertDialog.BUTTON_NEUTRAL).setEnabled(status);
dialog.setCancelable(status);
});
}
}

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app/src/main/java/org/eu/octt/notetand/SettingsActivity.java Normal file
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package org.eu.octt.notetand;
import android.app.Fragment;
import android.content.SharedPreferences;
import android.os.Build;
import android.os.Bundle;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.BaseAdapter;
import android.widget.CheckBox;
import android.widget.LinearLayout;
import android.widget.ListView;
import android.widget.Spinner;
import android.widget.TextView;
import java.util.ArrayList;
import java.util.Arrays;
public class SettingsActivity extends CustomActivity {
// @Override
// protected void onCreate(Bundle savedInstanceState) {
// super.onCreate(savedInstanceState);
// // getFragmentManager().beginTransaction().add(new SettingsFragment(), "").commit();
// // addPreferencesFromResource(R.xml.preferences);
//
// }
// class SettingsFragment extends Fragment {
//
// }
private ListView listView;
private ArrayList<View> settingViews = new ArrayList<>();
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
listView = new ListView(this);
settingViews.add(createCheckboxSetting(getString(R.string.censor_mac), "censor_mac", true));
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP)
settingViews.add(createSpinnerSetting(getString(R.string.app_theme), "theme", new String[]{"system", "material_dark", "material_light", "holo_dark", "holo_light"}, "system"));
else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB)
settingViews.add(createSpinnerSetting(getString(R.string.app_theme), "theme", new String[]{"system", "holo_dark", "holo_light"}, "system"));
// settingViews.add(createNumberSetting(getString(R.string.font_size), "font_size"));
// Adapter to wrap views into ListView
listView.setAdapter(new BaseAdapter() {
@Override
public int getCount() {
return settingViews.size();
}
@Override
public Object getItem(int position) {
return settingViews.get(position);
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
return settingViews.get(position);
}
});
setContentView(listView);
}
private View createCheckboxSetting(String label, String key, boolean defaultValue) {
LinearLayout layout = new LinearLayout(this);
layout.setOrientation(LinearLayout.HORIZONTAL);
layout.setPadding(32, 32, 32, 32);
TextView textView = new TextView(this);
textView.setText(label);
textView.setTextSize(16);
textView.setLayoutParams(new LinearLayout.LayoutParams(0, ViewGroup.LayoutParams.WRAP_CONTENT, 1));
CheckBox checkBox = new CheckBox(this);
checkBox.setChecked(SettingsManager.prefs.getBoolean(key, defaultValue));
checkBox.setOnCheckedChangeListener((buttonView, isChecked) -> {
SettingsManager.prefs.edit().putBoolean(key, isChecked).apply();
});
layout.addView(textView);
layout.addView(checkBox);
return layout;
}
private View createSpinnerSetting(String label, String key, String[] options, String defaultValue) {
LinearLayout layout = new LinearLayout(this);
layout.setOrientation(LinearLayout.VERTICAL);
layout.setPadding(32, 32, 32, 32);
TextView textView = new TextView(this);
textView.setText(label);
textView.setTextSize(16);
Spinner spinner = new Spinner(this);
ArrayAdapter<String> adapter = new ArrayAdapter<>(this, android.R.layout.simple_spinner_item, options);
adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
spinner.setAdapter(adapter);
String currentValue = SettingsManager.prefs.getString(key, defaultValue);
int selectedIndex = Arrays.asList(options).indexOf(currentValue);
spinner.setSelection(Math.max(selectedIndex, 0));
spinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
SettingsManager.prefs.edit().putString(key, options[position]).apply();
}
public void onNothingSelected(AdapterView<?> parent) {}
});
layout.addView(textView);
layout.addView(spinner);
return layout;
}
}

23
app/src/main/java/org/eu/octt/notetand/SettingsManager.java Normal file
View File

@@ -0,0 +1,23 @@
package org.eu.octt.notetand;
import static android.content.Context.MODE_PRIVATE;
import android.content.Context;
import android.content.SharedPreferences;
public class SettingsManager {
static SharedPreferences prefs;
static void setup(Context context) {
if (prefs == null)
prefs = context.getSharedPreferences("settings", MODE_PRIVATE);
}
static boolean getCensorMac() {
return prefs.getBoolean("censor_mac", true);
}
static String getTheme() {
return prefs.getString("theme", "system");
}
}

30
app/src/main/res/drawable-v24/ic_launcher_foreground.xml Normal file
View File

@@ -0,0 +1,30 @@
<vector xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:aapt="http://schemas.android.com/aapt"
android:width="108dp"
android:height="108dp"
android:viewportWidth="108"
android:viewportHeight="108">
<path android:pathData="M31,63.928c0,0 6.4,-11 12.1,-13.1c7.2,-2.6 26,-1.4 26,-1.4l38.1,38.1L107,108.928l-32,-1L31,63.928z">
<aapt:attr name="android:fillColor">
<gradient
android:endX="85.84757"
android:endY="92.4963"
android:startX="42.9492"
android:startY="49.59793"
android:type="linear">
<item
android:color="#44000000"
android:offset="0.0" />
<item
android:color="#00000000"
android:offset="1.0" />
</gradient>
</aapt:attr>
</path>
<path
android:fillColor="#FFFFFF"
android:fillType="nonZero"
android:pathData="M65.3,45.828l3.8,-6.6c0.2,-0.4 0.1,-0.9 -0.3,-1.1c-0.4,-0.2 -0.9,-0.1 -1.1,0.3l-3.9,6.7c-6.3,-2.8 -13.4,-2.8 -19.7,0l-3.9,-6.7c-0.2,-0.4 -0.7,-0.5 -1.1,-0.3C38.8,38.328 38.7,38.828 38.9,39.228l3.8,6.6C36.2,49.428 31.7,56.028 31,63.928h46C76.3,56.028 71.8,49.428 65.3,45.828zM43.4,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2c-0.3,-0.7 -0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C45.3,56.528 44.5,57.328 43.4,57.328L43.4,57.328zM64.6,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2s-0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C66.5,56.528 65.6,57.328 64.6,57.328L64.6,57.328z"
android:strokeWidth="1"
android:strokeColor="#00000000" />
</vector>

170
app/src/main/res/drawable/ic_launcher_background.xml Normal file
View File

@@ -0,0 +1,170 @@
<?xml version="1.0" encoding="utf-8"?>
<vector xmlns:android="http://schemas.android.com/apk/res/android"
android:width="108dp"
android:height="108dp"
android:viewportWidth="108"
android:viewportHeight="108">
<path
android:fillColor="#3DDC84"
android:pathData="M0,0h108v108h-108z" />
<path
android:fillColor="#00000000"
android:pathData="M9,0L9,108"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M19,0L19,108"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M29,0L29,108"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M39,0L39,108"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M49,0L49,108"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M59,0L59,108"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M69,0L69,108"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M79,0L79,108"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M89,0L89,108"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M99,0L99,108"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M0,9L108,9"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M0,19L108,19"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M0,29L108,29"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M0,39L108,39"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M0,49L108,49"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M0,59L108,59"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M0,69L108,69"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M0,79L108,79"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M0,89L108,89"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M0,99L108,99"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M19,29L89,29"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M19,39L89,39"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M19,49L89,49"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M19,59L89,59"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M19,69L89,69"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M19,79L89,79"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M29,19L29,89"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M39,19L39,89"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M49,19L49,89"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M59,19L59,89"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M69,19L69,89"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M79,19L79,89"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
</vector>

13
app/src/main/res/layout/activity_main.xml Normal file
View File

@@ -0,0 +1,13 @@
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent">
<ListView
android:id="@+id/list_notes"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1" />
</LinearLayout>

68
app/src/main/res/layout/activity_note.xml Normal file
View File

@@ -0,0 +1,68 @@
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<!-- Header with note name and buttons -->
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:gravity="center_vertical">
<EditText
android:id="@+id/edit_note_name"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:hint="@string/note_name"
android:textStyle="bold"
android:singleLine="true"
android:imeOptions="actionNext" />
<!-- <Button
android:id="@+id/btn_save"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Save" /> -->
</LinearLayout>
<!-- Note content editor -->
<EditText
android:id="@+id/edit_note_content"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:hint="@string/note_typing_hint"
android:gravity="start|top"
android:inputType="textMultiLine"
android:scrollbars="vertical"
android:fadeScrollbars="false" />
<!-- Footer with info and actions -->
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:gravity="center_vertical">
<TextView
android:id="@+id/txt_note_info"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:textSize="14sp"
android:textColor="#666666" />
<!-- <Button
android:id="@+id/btn_delete"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Delete"
android:visibility="gone" /> -->
</LinearLayout>
</LinearLayout>

13
app/src/main/res/layout/activity_receive.xml Normal file
View File

@@ -0,0 +1,13 @@
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent">
<TextView
android:id="@+id/text_status"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:fontFamily="monospace" />
</LinearLayout>

12
app/src/main/res/layout/activity_send.xml Normal file
View File

@@ -0,0 +1,12 @@
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent">
<ListView
android:id="@+id/list_paired_devices"
android:layout_width="match_parent"
android:layout_height="wrap_content" />
</LinearLayout>

152
app/src/main/res/layout/bluetooth_sync_activity.xml Normal file
View File

@@ -0,0 +1,152 @@
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:padding="16dp">
<!-- Header -->
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="Bluetooth Sync"
android:textSize="24sp"
android:textStyle="bold"
android:textColor="#333333"
android:paddingBottom="16dp" />
<!-- Status Section -->
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical"
android:background="#F5F5F5"
android:padding="12dp"
android:layout_marginBottom="16dp">
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="Status"
android:textSize="16sp"
android:textStyle="bold"
android:textColor="#333333"
android:paddingBottom="8dp" />
<TextView
android:id="@+id/txt_bluetooth_status"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="Initializing..."
android:textSize="14sp"
android:textColor="#666666" />
<TextView
android:id="@+id/txt_sync_progress"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text=""
android:textSize="14sp"
android:textColor="#666666"
android:paddingTop="4dp" />
</LinearLayout>
<!-- Action Buttons -->
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:layout_marginBottom="16dp">
<Button
android:id="@+id/btn_make_discoverable"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="Make Discoverable"
android:background="@android:drawable/btn_default"
android:textColor="#333333"
android:layout_marginEnd="8dp" />
<Button
android:id="@+id/btn_scan_devices"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="Scan for Devices"
android:background="@android:drawable/btn_default"
android:textColor="#333333" />
</LinearLayout>
<!-- Devices Section -->
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="Available Devices"
android:textSize="18sp"
android:textStyle="bold"
android:textColor="#333333"
android:paddingBottom="8dp" />
<!-- Paired Devices -->
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="Paired Devices:"
android:textSize="14sp"
android:textStyle="bold"
android:textColor="#666666"
android:paddingBottom="4dp" />
<ListView
android:id="@+id/list_paired_devices"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:minHeight="80dp"
android:maxHeight="120dp"
android:background="#FAFAFA"
android:divider="#E0E0E0"
android:dividerHeight="1dp"
android:layout_marginBottom="12dp" />
<!-- Discovered Devices -->
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="Discovered Devices:"
android:textSize="14sp"
android:textStyle="bold"
android:textColor="#666666"
android:paddingBottom="4dp" />
<ListView
android:id="@+id/list_discovered_devices"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:background="#FAFAFA"
android:divider="#E0E0E0"
android:dividerHeight="1dp" />
<!-- Bottom Actions -->
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:paddingTop="16dp"
android:gravity="center">
<Button
android:id="@+id/btn_cancel_sync"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Cancel"
android:background="@android:drawable/btn_default"
android:textColor="#333333"
android:minWidth="100dp" />
</LinearLayout>
</LinearLayout>

84
app/src/main/res/layout/main_activity_1.xml Normal file
View File

@@ -0,0 +1,84 @@
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:padding="16dp">
<!-- Header with title and buttons -->
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:gravity="center_vertical"
android:paddingBottom="16dp">
<TextView
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="My Notes"
android:textSize="24sp"
android:textStyle="bold"
android:textColor="#333333" />
<Button
android:id="@+id/btn_sync"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Sync"
android:layout_marginEnd="8dp"
android:background="@android:drawable/btn_default"
android:textColor="#333333"
android:minWidth="80dp" />
<Button
android:id="@+id/btn_add_note"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="+"
android:textSize="20sp"
android:background="@android:drawable/btn_default"
android:textColor="#333333"
android:minWidth="50dp" />
</LinearLayout>
<!-- Notes List -->
<ListView
android:id="@+id/list_notes"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:divider="#E0E0E0"
android:dividerHeight="1dp"
android:background="#FAFAFA" />
<!-- Status Bar -->
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:paddingTop="16dp"
android:gravity="center_vertical">
<TextView
android:id="@+id/txt_status"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="Ready"
android:textSize="14sp"
android:textColor="#666666" />
<TextView
android:id="@+id/txt_note_count"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="0 notes"
android:textSize="14sp"
android:textColor="#666666" />
</LinearLayout>
</LinearLayout>

26
app/src/main/res/menu/main_menu.xml Normal file
View File

@@ -0,0 +1,26 @@
<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android">
<item
android:id="@+id/action_new"
android:icon="@android:drawable/ic_menu_add"
android:title="@string/new_note"
android:showAsAction="ifRoom" />
<item
android:id="@+id/action_receive"
android:icon="@android:drawable/ic_menu_set_as"
android:title="@string/receive_notes"
android:showAsAction="ifRoom" />
<item
android:id="@+id/action_settings"
android:icon="@android:drawable/ic_menu_preferences"
android:title="@string/settings"
android:showAsAction="never" />
<item
android:id="@+id/action_about"
android:icon="@android:drawable/ic_menu_info_details"
android:title="@string/about"
android:showAsAction="never" />
</menu>

26
app/src/main/res/menu/note_menu.xml Normal file
View File

@@ -0,0 +1,26 @@
<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android">
<item
android:id="@+id/action_save"
android:icon="@android:drawable/ic_menu_save"
android:title="@string/save"
android:showAsAction="ifRoom" />
<item
android:id="@+id/action_send"
android:icon="@android:drawable/ic_menu_send"
android:title="@string/send"
android:showAsAction="ifRoom" />
<item
android:id="@+id/action_share"
android:icon="@android:drawable/ic_menu_share"
android:title="@string/share_externally"
android:showAsAction="never" />
<item
android:id="@+id/action_delete"
android:icon="@android:drawable/ic_menu_delete"
android:title="@string/delete"
android:showAsAction="never" />
</menu>

5
app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml Normal file
View File

@@ -0,0 +1,5 @@
<?xml version="1.0" encoding="utf-8"?>
<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
<background android:drawable="@color/ic_launcher_background"/>
<foreground android:drawable="@mipmap/ic_launcher_foreground"/>
</adaptive-icon>

5
app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml Normal file
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@@ -0,0 +1,5 @@
<?xml version="1.0" encoding="utf-8"?>
<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
<background android:drawable="@color/ic_launcher_background"/>
<foreground android:drawable="@mipmap/ic_launcher_foreground"/>
</adaptive-icon>

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app/src/main/res/values-it/strings.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<resources>
<string name="new_note_activity">Nuova Nota in NoteTand</string>
<string name="about">Info</string>
<string name="settings">Impostazioni</string>
<string name="censor_mac">Censura Indirizzi MAC</string>
<string name="app_theme">Tema della App</string>
<string name="note">Nota</string>
<string name="note_name">Nome della Nota</string>
<string name="new_note">Nuova Nota</string>
<string name="send_note">Invia Nota</string>
<string name="receive_notes">Ricevi Note</string>
<string name="delete_note">Elimina Nota</string>
<string name="delete_note_message">Vuoi davvero eliminare \"%s\"?</string>
<string name="note_saved">Nota Salvata</string>
<string name="note_deleted">Nota Eliminata</string>
<string name="note_typing_hint">Scrivi la tua nota qui...</string>
<string name="share_externally">Condividi Esternamente</string>
<string name="send">Invia</string>
<string name="save">Salva</string>
<string name="discard">Scarta</string>
<string name="delete">Elimina</string>
<string name="cancel">Annulla</string>
<string name="unsaved_changes">Modifiche Non Salvate</string>
<string name="unsaved_changes_message">Hai modifiche non salvate. Cosa vuoi fare?</string>
</resources>

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app/src/main/res/values/colors.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<resources>
<color name="purple_200">#FFBB86FC</color>
<color name="purple_500">#FF6200EE</color>
<color name="purple_700">#FF3700B3</color>
<color name="teal_200">#FF03DAC5</color>
<color name="teal_700">#FF018786</color>
<color name="black">#FF000000</color>
<color name="white">#FFFFFFFF</color>
</resources>

4
app/src/main/res/values/ic_launcher_background.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<resources>
<color name="ic_launcher_background">#4289D4</color>
</resources>

5
app/src/main/res/values/ids.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<resources>
<item name="txt_sync_progress" type="id" />
<item name="txt_bluetooth_status" type="id" />
</resources>

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app/src/main/res/values/strings.xml Normal file
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<resources>
<string name="app_name" translatable="false">NoteTand</string>
<string name="new_note_activity">Nuova Nota in NoteTand</string>
<string name="about">About</string>
<string name="settings">Settings</string>
<string name="censor_mac">Censor MAC Addresses</string>
<string name="app_theme">App Theme</string>
<string name="note">Note</string>
<string name="note_name">Note Name</string>
<string name="new_note">New Note</string>
<string name="send_note">Send Note</string>
<string name="receive_notes">Receive Notes</string>
<string name="delete_note">Delete Note</string>
<string name="delete_note_message">Are you sure you want to delete \'%s\'?</string>
<string name="note_saved">Note Saved</string>
<string name="note_deleted">Note Deleted</string>
<string name="note_typing_hint">Type your note here...</string>
<string name="share_externally">Share Externally</string>
<string name="send">Send</string>
<string name="save">Save</string>
<string name="discard">Discard</string>
<string name="delete">Delete</string>
<string name="cancel">Cancel</string>
<string name="unsaved_changes">Unsaved Changes</string>
<string name="unsaved_changes_message">You have unsaved changes. What would you like to do?</string>
<!-- Main Activity -->
<string name="main_title">My Notes</string>
<string name="btn_sync">Sync</string>
<string name="btn_add_note">+</string>
<string name="status_ready">Ready</string>
<string name="no_notes">0 notes</string>
<string name="one_note">1 note</string>
<string name="multiple_notes">%d notes</string>
<!-- Note Edit Activity -->
<string name="hint_note_name">Note name</string>
<string name="hint_note_content">Start typing your note here...</string>
<string name="btn_save">Save</string>
<string name="btn_delete">Delete</string>
<string name="note_info_format">%d chars, %d words, %d lines</string>
<!-- Bluetooth Sync Activity -->
<string name="bluetooth_sync_title">Bluetooth Sync</string>
<string name="status_label">Status</string>
<string name="btn_make_discoverable">Make Discoverable</string>
<string name="btn_scan_devices">Scan for Devices</string>
<string name="btn_stop_scan">Stop Scan</string>
<string name="btn_cancel">Cancel</string>
<string name="paired_devices_label">Paired Devices:</string>
<string name="discovered_devices_label">Discovered Devices:</string>
<string name="available_devices">Available Devices</string>
<!-- Messages -->
<string name="bluetooth_not_supported">Bluetooth not supported</string>
<string name="bluetooth_disabled">Bluetooth disabled</string>
<string name="bluetooth_ready">Bluetooth ready</string>
<string name="bluetooth_permission_required">Bluetooth permission required</string>
<string name="no_paired_devices">No paired devices found</string>
<string name="scanning_devices">Scanning for devices...</string>
<string name="discovery_finished">Discovery finished. Found %d devices.</string>
<string name="connecting_to_device">Connecting to %s...</string>
<string name="connection_failed">Connection failed</string>
<string name="connected_starting_sync">Connected! Starting sync...</string>
<string name="sync_completed">Sync completed!</string>
<string name="sync_error">Sync error: %s</string>
<string name="connection_lost">Connection lost</string>
<string name="comparing_files">Comparing files...</string>
<string name="received_file">Received file: %s</string>
<string name="failed_to_save">Failed to save: %s</string>
<string name="waiting_connections">Waiting for incoming connections...</string>
<string name="discoverable_for_seconds">Device is discoverable for %d seconds</string>
<string name="discoverable_denied">Discoverable request denied</string>
<!-- Dialogs -->
<string name="delete_note_title">Delete Note</string>
<string name="delete_confirm">Delete</string>
<string name="unsaved_changes_title">Unsaved Changes</string>
<string name="note_exists_title">Note Already Exists</string>
<string name="note_exists_message">A note with the name \'%s\' already exists. Do you want to overwrite it?</string>
<string name="overwrite">Overwrite</string>
<string name="connect_device_title">Connect to Device</string>
<string name="connect_device_message">Connect to %s (%s) for sync?</string>
<string name="connect">Connect</string>
<!-- Errors -->
<string name="error_note_name_empty">Note name cannot be empty</string>
<string name="error_loading_note">Error loading note</string>
<string name="error_saving_note">Error saving note</string>
<string name="error_deleting_note">Error deleting note</string>
<string name="note_name_sanitized">Note name was sanitized for compatibility</string>
<string name="notes_directory_created">Notes directory created</string>
<string name="failed_create_directory">Failed to create notes directory</string>
<string name="using_internal_storage">Using internal storage</string>
<string name="loaded_notes">Loaded %d notes</string>
<string name="no_notes_create_one">No notes found. Tap + to create one.</string>
<string name="permissions_granted">Permissions granted</string>
<string name="some_permissions_denied">Some permissions denied</string>
<string name="failed_start_discovery">Failed to start device discovery</string>
<!-- Content Descriptions -->
<string name="add_note_button">Add new note</string>
<string name="sync_button">Sync notes via Bluetooth</string>
<string name="save_note_button">Save note</string>
<string name="delete_note_button">Delete note</string>
</resources>

13
app/src/main/res/xml/backup_rules.xml Normal file
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<?xml version="1.0" encoding="utf-8"?><!--
Sample backup rules file; uncomment and customize as necessary.
See https://developer.android.com/guide/topics/data/autobackup
for details.
Note: This file is ignored for devices older that API 31
See https://developer.android.com/about/versions/12/backup-restore
-->
<full-backup-content>
<!--
<include domain="sharedpref" path="."/>
<exclude domain="sharedpref" path="device.xml"/>
-->
</full-backup-content>

19
app/src/main/res/xml/data_extraction_rules.xml Normal file
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<?xml version="1.0" encoding="utf-8"?><!--
Sample data extraction rules file; uncomment and customize as necessary.
See https://developer.android.com/about/versions/12/backup-restore#xml-changes
for details.
-->
<data-extraction-rules>
<cloud-backup>
<!-- TODO: Use <include> and <exclude> to control what is backed up.
<include .../>
<exclude .../>
-->
</cloud-backup>
<!--
<device-transfer>
<include .../>
<exclude .../>
</device-transfer>
-->
</data-extraction-rules>

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// Top-level build file where you can add configuration options common to all sub-projects/modules.
plugins {
alias(libs.plugins.android.application) apply false
}

21
gradle.properties Normal file
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# Project-wide Gradle settings.
# IDE (e.g. Android Studio) users:
# Gradle settings configured through the IDE *will override*
# any settings specified in this file.
# For more details on how to configure your build environment visit
# http://www.gradle.org/docs/current/userguide/build_environment.html
# Specifies the JVM arguments used for the daemon process.
# The setting is particularly useful for tweaking memory settings.
org.gradle.jvmargs=-Xmx2048m -Dfile.encoding=UTF-8
# When configured, Gradle will run in incubating parallel mode.
# This option should only be used with decoupled projects. For more details, visit
# https://developer.android.com/r/tools/gradle-multi-project-decoupled-projects
# org.gradle.parallel=true
# AndroidX package structure to make it clearer which packages are bundled with the
# Android operating system, and which are packaged with your app's APK
# https://developer.android.com/topic/libraries/support-library/androidx-rn
android.useAndroidX=true
# Enables namespacing of each library's R class so that its R class includes only the
# resources declared in the library itself and none from the library's dependencies,
# thereby reducing the size of the R class for that library
android.nonTransitiveRClass=true

24
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[versions]
agp = "8.8.1"
junit = "4.13.2"
junitVersion = "1.2.1"
espressoCore = "3.6.1"
appcompat = "1.7.0"
material = "1.12.0"
activity = "1.8.0"
constraintlayout = "2.1.4"
preference = "1.2.1"
[libraries]
junit = { group = "junit", name = "junit", version.ref = "junit" }
ext-junit = { group = "androidx.test.ext", name = "junit", version.ref = "junitVersion" }
espresso-core = { group = "androidx.test.espresso", name = "espresso-core", version.ref = "espressoCore" }
appcompat = { group = "androidx.appcompat", name = "appcompat", version.ref = "appcompat" }
material = { group = "com.google.android.material", name = "material", version.ref = "material" }
activity = { group = "androidx.activity", name = "activity", version.ref = "activity" }
constraintlayout = { group = "androidx.constraintlayout", name = "constraintlayout", version.ref = "constraintlayout" }
preference = { group = "androidx.preference", name = "preference", version.ref = "preference" }
[plugins]
android-application = { id = "com.android.application", version.ref = "agp" }

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gradle/wrapper/gradle-wrapper.properties vendored Normal file
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#Tue Sep 16 00:48:03 CEST 2025
distributionBase=GRADLE_USER_HOME
distributionPath=wrapper/dists
distributionUrl=https\://services.gradle.org/distributions/gradle-8.10.2-bin.zip
zipStoreBase=GRADLE_USER_HOME
zipStorePath=wrapper/dists

185
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#!/usr/bin/env sh
#
# Copyright 2015 the original author or authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
##############################################################################
##
## Gradle start up script for UN*X
##
##############################################################################
# Attempt to set APP_HOME
# Resolve links: $0 may be a link
PRG="$0"
# Need this for relative symlinks.
while [ -h "$PRG" ] ; do
ls=`ls -ld "$PRG"`
link=`expr "$ls" : '.*-> \(.*\)$'`
if expr "$link" : '/.*' > /dev/null; then
PRG="$link"
else
PRG=`dirname "$PRG"`"/$link"
fi
done
SAVED="`pwd`"
cd "`dirname \"$PRG\"`/" >/dev/null
APP_HOME="`pwd -P`"
cd "$SAVED" >/dev/null
APP_NAME="Gradle"
APP_BASE_NAME=`basename "$0"`
# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
# Use the maximum available, or set MAX_FD != -1 to use that value.
MAX_FD="maximum"
warn () {
echo "$*"
}
die () {
echo
echo "$*"
echo
exit 1
}
# OS specific support (must be 'true' or 'false').
cygwin=false
msys=false
darwin=false
nonstop=false
case "`uname`" in
CYGWIN* )
cygwin=true
;;
Darwin* )
darwin=true
;;
MINGW* )
msys=true
;;
NONSTOP* )
nonstop=true
;;
esac
CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
# Determine the Java command to use to start the JVM.
if [ -n "$JAVA_HOME" ] ; then
if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
# IBM's JDK on AIX uses strange locations for the executables
JAVACMD="$JAVA_HOME/jre/sh/java"
else
JAVACMD="$JAVA_HOME/bin/java"
fi
if [ ! -x "$JAVACMD" ] ; then
die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
else
JAVACMD="java"
which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
# Increase the maximum file descriptors if we can.
if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
MAX_FD_LIMIT=`ulimit -H -n`
if [ $? -eq 0 ] ; then
if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
MAX_FD="$MAX_FD_LIMIT"
fi
ulimit -n $MAX_FD
if [ $? -ne 0 ] ; then
warn "Could not set maximum file descriptor limit: $MAX_FD"
fi
else
warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
fi
fi
# For Darwin, add options to specify how the application appears in the dock
if $darwin; then
GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
fi
# For Cygwin or MSYS, switch paths to Windows format before running java
if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
APP_HOME=`cygpath --path --mixed "$APP_HOME"`
CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
JAVACMD=`cygpath --unix "$JAVACMD"`
# We build the pattern for arguments to be converted via cygpath
ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
SEP=""
for dir in $ROOTDIRSRAW ; do
ROOTDIRS="$ROOTDIRS$SEP$dir"
SEP="|"
done
OURCYGPATTERN="(^($ROOTDIRS))"
# Add a user-defined pattern to the cygpath arguments
if [ "$GRADLE_CYGPATTERN" != "" ] ; then
OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
fi
# Now convert the arguments - kludge to limit ourselves to /bin/sh
i=0
for arg in "$@" ; do
CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option
if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition
eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
else
eval `echo args$i`="\"$arg\""
fi
i=`expr $i + 1`
done
case $i in
0) set -- ;;
1) set -- "$args0" ;;
2) set -- "$args0" "$args1" ;;
3) set -- "$args0" "$args1" "$args2" ;;
4) set -- "$args0" "$args1" "$args2" "$args3" ;;
5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
esac
fi
# Escape application args
save () {
for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
echo " "
}
APP_ARGS=`save "$@"`
# Collect all arguments for the java command, following the shell quoting and substitution rules
eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
exec "$JAVACMD" "$@"

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@rem
@rem Copyright 2015 the original author or authors.
@rem
@rem Licensed under the Apache License, Version 2.0 (the "License");
@rem you may not use this file except in compliance with the License.
@rem You may obtain a copy of the License at
@rem
@rem https://www.apache.org/licenses/LICENSE-2.0
@rem
@rem Unless required by applicable law or agreed to in writing, software
@rem distributed under the License is distributed on an "AS IS" BASIS,
@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@rem See the License for the specific language governing permissions and
@rem limitations under the License.
@rem
@if "%DEBUG%" == "" @echo off
@rem ##########################################################################
@rem
@rem Gradle startup script for Windows
@rem
@rem ##########################################################################
@rem Set local scope for the variables with windows NT shell
if "%OS%"=="Windows_NT" setlocal
set DIRNAME=%~dp0
if "%DIRNAME%" == "" set DIRNAME=.
set APP_BASE_NAME=%~n0
set APP_HOME=%DIRNAME%
@rem Resolve any "." and ".." in APP_HOME to make it shorter.
for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
@rem Find java.exe
if defined JAVA_HOME goto findJavaFromJavaHome
set JAVA_EXE=java.exe
%JAVA_EXE% -version >NUL 2>&1
if "%ERRORLEVEL%" == "0" goto execute
echo.
echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
echo.
echo Please set the JAVA_HOME variable in your environment to match the
echo location of your Java installation.
goto fail
:findJavaFromJavaHome
set JAVA_HOME=%JAVA_HOME:"=%
set JAVA_EXE=%JAVA_HOME%/bin/java.exe
if exist "%JAVA_EXE%" goto execute
echo.
echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
echo.
echo Please set the JAVA_HOME variable in your environment to match the
echo location of your Java installation.
goto fail
:execute
@rem Setup the command line
set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
@rem Execute Gradle
"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
:end
@rem End local scope for the variables with windows NT shell
if "%ERRORLEVEL%"=="0" goto mainEnd
:fail
rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
rem the _cmd.exe /c_ return code!
if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
exit /b 1
:mainEnd
if "%OS%"=="Windows_NT" endlocal
:omega

23
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pluginManagement {
repositories {
google {
content {
includeGroupByRegex("com\\.android.*")
includeGroupByRegex("com\\.google.*")
includeGroupByRegex("androidx.*")
}
}
mavenCentral()
gradlePluginPortal()
}
}
dependencyResolutionManagement {
repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
repositories {
google()
mavenCentral()
}
}
rootProject.name = "NoteTand"
include ':app'