From e29d1179425238672b8be7b01dfac14f98257198 Mon Sep 17 00:00:00 2001
From: daniel oeh <daniel.oeh@gmail.com>
Date: Sat, 31 Aug 2013 20:02:56 +0200
Subject: [PATCH] Implemented authentication process

---
 AndroidManifest.xml                           |  12 +-
 res/layout/gpodnetauth_activity.xml           |  10 +
 res/layout/gpodnetauth_credentials.xml        |  84 +++++
 res/layout/gpodnetauth_device.xml             | 107 ++++++
 res/layout/gpodnetauth_finish.xml             |  44 +++
 res/values/arrays.xml                         |   1 -
 res/values/strings.xml                        |  25 ++
 res/xml/preferences.xml                       | 112 ++++--
 .../GpodnetAuthenticationActivity.java        | 329 ++++++++++++++++++
 .../antennapod/gpoddernet/GpodnetService.java |  10 +-
 10 files changed, 698 insertions(+), 36 deletions(-)
 create mode 100644 res/layout/gpodnetauth_activity.xml
 create mode 100644 res/layout/gpodnetauth_credentials.xml
 create mode 100644 res/layout/gpodnetauth_device.xml
 create mode 100644 res/layout/gpodnetauth_finish.xml
 create mode 100644 src/de/danoeh/antennapod/activity/gpoddernet/GpodnetAuthenticationActivity.java

diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 36ff8eef7..75db9cffa 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -348,7 +348,7 @@
             <meta-data
                 android:name="android.app.searchable"
                 android:resource="@xml/gpodnet_searchable"/>
-            </activity>
+        </activity>
 
         <activity
             android:name=".activity.gpoddernet.GpodnetSearchActivity"
@@ -367,6 +367,16 @@
             android:name=".activity.DefaultOnlineFeedViewActivity"
             android:configChanges="orientation"/>
 
+        <activity
+            android:name=".activity.gpoddernet.GpodnetAuthenticationActivity"
+            android:configChanges="orientation"
+            android:label="@string/gpodnet_auth_label">
+            <intent-filter>
+                <action android:name=".activity.gpoddernet.GpodnetAuthenticationActivity"/>
+                <category android:name="android.intent.category.DEFAULT"/>
+            </intent-filter>
+        </activity>
+
         <receiver android:name=".receiver.ConnectivityActionReceiver">
             <intent-filter>
                 <action android:name="android.net.conn.CONNECTIVITY_CHANGE"/>
diff --git a/res/layout/gpodnetauth_activity.xml b/res/layout/gpodnetauth_activity.xml
new file mode 100644
index 000000000..cd428fbdf
--- /dev/null
+++ b/res/layout/gpodnetauth_activity.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent">
+<ViewFlipper
+    android:id="@+id/viewflipper"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"/>
+</ScrollView>
\ No newline at end of file
diff --git a/res/layout/gpodnetauth_credentials.xml b/res/layout/gpodnetauth_credentials.xml
new file mode 100644
index 000000000..43268d291
--- /dev/null
+++ b/res/layout/gpodnetauth_credentials.xml
@@ -0,0 +1,84 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent">
+
+    <TextView
+        android:id="@id/txtvTitle"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="@string/gpodnetauth_login_title"
+        android:layout_alignParentTop="true"
+        android:textSize="@dimen/text_size_large"
+        android:layout_margin="16dp"
+        android:textColor="@color/bright_blue"
+        android:textStyle="italic"/>
+
+    <TextView
+        android:id="@id/txtvDescription"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="@string/gpodnetauth_login_descr"
+        android:layout_below="@id/txtvTitle"
+        android:textSize="@dimen/text_size_medium"
+        android:textColor="?android:attr/textColorSecondary"
+        android:layout_margin="16dp"/>
+
+    <EditText
+        android:id="@+id/etxtUsername"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:hint="@string/gpodnet_username_label"
+        android:layout_below="@id/txtvDescription"
+        android:layout_margin="8dp"/>
+
+    <EditText
+        android:id="@+id/etxtPassword"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:hint="@string/gpodnet_password_label"
+        android:layout_below="@id/etxtUsername"
+        android:inputType="textPassword"
+        android:layout_margin="8dp"/>
+
+    <Button
+        android:id="@+id/butLogin"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_below="@id/etxtPassword"
+        android:layout_alignParentRight="true"
+        android:text="@string/gpodnetauth_login_butLabel"
+        android:layout_margin="8dp"/>
+
+    <TextView
+        android:id="@+id/txtvError"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_below="@id/etxtPassword"
+        android:layout_alignParentLeft="true"
+        android:layout_alignBottom="@id/butLogin"
+        android:textColor="@color/download_failed_red"
+        android:textSize="@dimen/text_size_medium"
+        android:gravity="center"
+        android:layout_margin="16dp"/>
+
+    <ProgressBar
+        android:id="@+id/progBarLogin"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_toLeftOf="@id/butLogin"
+        android:layout_below="@id/etxtPassword"
+        android:layout_alignBottom="@id/butLogin"
+        android:visibility="gone"/>
+
+    <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:textSize="@dimen/text_size_medium"
+        android:textColor="?android:attr/textColorSecondary"
+        android:layout_margin="16dp"
+        android:text="@string/gpodnetauth_login_register"
+        android:autoLink="web"
+        android:layout_below="@id/butLogin"/>
+</RelativeLayout>
\ No newline at end of file
diff --git a/res/layout/gpodnetauth_device.xml b/res/layout/gpodnetauth_device.xml
new file mode 100644
index 000000000..3f8d0716c
--- /dev/null
+++ b/res/layout/gpodnetauth_device.xml
@@ -0,0 +1,107 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent">
+
+    <TextView
+        android:id="@+id/txtvTitle"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="@string/gpodnetauth_device_title"
+        android:layout_alignParentTop="true"
+        android:textSize="@dimen/text_size_large"
+        android:layout_margin="16dp"
+        android:textColor="@color/bright_blue"
+        android:textStyle="italic"/>
+
+    <TextView
+        android:id="@+id/txtvDescription"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="@string/gpodnetauth_device_descr"
+        android:layout_below="@id/txtvTitle"
+        android:textSize="@dimen/text_size_medium"
+        android:textColor="?android:attr/textColorSecondary"
+        android:layout_margin="16dp"/>
+
+    <EditText
+        android:id="@+id/etxtDeviceID"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:hint="@string/gpodnetauth_device_deviceID"
+        android:layout_below="@id/txtvDescription"
+        android:layout_margin="8dp"/>
+
+    <EditText
+        android:id="@+id/etxtCaption"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:hint="@string/gpodnetauth_device_caption"
+        android:layout_below="@id/etxtDeviceID"
+        android:layout_margin="8dp"/>
+
+    <Button
+        android:id="@+id/butCreateNewDevice"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_margin="8dp"
+        android:layout_alignParentRight="true"
+        android:layout_below="@id/etxtCaption"
+        android:text="@string/gpodnetauth_device_butCreateNewDevice"/>
+
+    <TextView
+        android:id="@+id/txtvError"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_alignParentLeft="true"
+        android:layout_below="@id/etxtCaption"
+        android:layout_alignBottom="@id/butCreateNewDevice"
+        android:textColor="@color/download_failed_red"
+        android:layout_margin="16dp"
+        android:textSize="@dimen/text_size_medium"
+        />
+
+    <ProgressBar
+        android:id="@+id/progbarCreateDevice"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_alignParentLeft="true"
+        android:layout_below="@id/etxtCaption"
+        android:layout_alignBottom="@id/butCreateNewDevice"
+        android:textColor="@color/download_failed_red"
+        android:layout_margin="16dp"
+        android:textSize="@dimen/text_size_medium"
+        android:visibility="gone"
+        />
+
+    <TextView
+        android:id="@+id/txtvChooseExistingDevice"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="@string/gpodnetauth_device_chooseExistingDevice"
+        android:layout_below="@id/butCreateNewDevice"
+        android:textSize="@dimen/text_size_medium"
+        android:textColor="?android:attr/textColorSecondary"
+        android:layout_margin="16dp"/>
+
+    <Button
+        android:id="@+id/butChooseExistingDevice"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_below="@id/txtvChooseExistingDevice"
+        android:layout_alignParentRight="true"
+        android:layout_margin="16dp"
+        android:text="@string/gpodnetauth_device_butChoose"/>
+
+    <Spinner
+        android:id="@+id/spinnerChooseDevice"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_below="@id/txtvChooseExistingDevice"
+        android:layout_alignParentLeft="true"
+        android:layout_toLeftOf="@id/butChooseExistingDevice"
+
+        android:layout_margin="16dp"/>
+
+</RelativeLayout>
\ No newline at end of file
diff --git a/res/layout/gpodnetauth_finish.xml b/res/layout/gpodnetauth_finish.xml
new file mode 100644
index 000000000..3b0b10d04
--- /dev/null
+++ b/res/layout/gpodnetauth_finish.xml
@@ -0,0 +1,44 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent">
+
+    <TextView
+        android:id="@+id/txtvTitle"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="@string/gpodnetauth_finish_title"
+        android:layout_alignParentTop="true"
+        android:textSize="@dimen/text_size_large"
+        android:layout_margin="16dp"
+        android:textColor="@color/bright_blue"
+        android:textStyle="italic"/>
+
+    <TextView
+        android:id="@+id/txtvDescription"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="@string/gpodnetauth_finish_descr"
+        android:layout_below="@id/txtvTitle"
+        android:textSize="@dimen/text_size_medium"
+        android:textColor="?android:attr/textColorSecondary"
+        android:layout_margin="16dp"/>
+
+    <Button
+        android:id="@+id/butSyncNow"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_below="@id/txtvDescription"
+        android:layout_margin="16dp"
+        android:text="@string/gpodnetauth_finish_butsyncnow"/>
+
+    <Button
+        android:id="@+id/butGoMainscreen"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_below="@id/butSyncNow"
+        android:layout_margin="16dp"
+        android:text="@string/gpodnetauth_finish_butgomainscreen"/>
+
+</RelativeLayout>
\ No newline at end of file
diff --git a/res/values/arrays.xml b/res/values/arrays.xml
index 4036ff0f4..ce50942ed 100644
--- a/res/values/arrays.xml
+++ b/res/values/arrays.xml
@@ -42,5 +42,4 @@
         <item>0</item>
         <item>1</item>
     </string-array>
-
 </resources>
\ No newline at end of file
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 31d9b0425..00cddd4d6 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -18,6 +18,7 @@
     <string name="download_log_label">Download log</string>
     <string name="playback_history_label">Playback history</string>
     <string name="gpodnet_main_label">gpodder.net</string>
+    <string name="gpodnet_auth_label">gpodder.net login</string>
 
     <!-- Webview actions -->
     <string name="open_in_browser_label">Open in browser</string>
@@ -154,6 +155,8 @@
     <string name="other_pref">Other</string>
     <string name="about_pref">About</string>
     <string name="queue_label">Queue</string>
+    <string name="services_label">Services</string>
+    <string name="flattr_label">Flattr</string>
     <string name="pref_pauseOnHeadsetDisconnect_sum">Pause playback when the headphones are disconnected</string>
     <string name="pref_followQueue_sum">Jump to next queue item when playback completes</string>
     <string name="playback_pref">Playback</string>
@@ -190,6 +193,8 @@
 	<string name="pref_update_interval_hours_plural">hours</string>
 	<string name="pref_update_interval_hours_singular">hour</string>
 	<string name="pref_update_interval_hours_manual">Manual</string>
+    <string name="pref_gpodnet_authenticate_title">Login</string>
+    <string name="pref_gpodnet_authenticate_sum">Login with your gpodder.net account in order to sync your subscriptions.</string>
    
 
     <!-- Search -->
@@ -242,6 +247,26 @@
     <string name="gpodnet_taglist_header">CATEGORIES</string>
     <string name="gpodnet_toplist_header">TOP PODCASTS</string>
     <string name="gpodnet_search_hint">Search gpodder.net</string>
+    <string name="gpodnetauth_login_title">Login</string>
+    <string name="gpodnetauth_login_descr">Welcome to the gpodder.net login process. First, type in your login information:</string>
+    <string name="gpodnetauth_login_butLabel">Login</string>
+    <string name="gpodnetauth_login_register">If you do not have an account yet, you can create one here:\nhttps://gpodder.net/register/</string>
+    <string name="gpodnet_username_label">Username</string>
+    <string name="gpodnet_password_label">Password</string>
+    <string name="gpodnetauth_device_title">Device Selection</string>
+    <string name="gpodnetauth_device_descr">Create a new device to use for your gpodder.net account or choose an existing one:</string>
+    <string name="gpodnetauth_device_deviceID">Device ID</string>
+    <string name="gpodnetauth_device_caption">Caption</string>
+    <string name="gpodnetauth_device_butCreateNewDevice">Create new device</string>
+    <string name="gpodnetauth_device_chooseExistingDevice">Choose existring device:</string>
+    <string name="gpodnetauth_device_errorEmpty">Device ID must not be empty</string>
+    <string name="gpodnetauth_device_errorAlreadyUsed">Device ID already in use</string>
+
+    <string name="gpodnetauth_device_butChoose">Choose</string>
+    <string name="gpodnetauth_finish_title">Login successful!</string>
+    <string name="gpodnetauth_finish_descr">Congratulations! Your gpodder.net account is now linked with your device. AntennaPod will from now on automagically sync subscriptions on your device with your gpodder.net account.</string>
+    <string name="gpodnetauth_finish_butsyncnow">Start sync now</string>
+    <string name="gpodnetauth_finish_butgomainscreen">Go to main screen</string>
 
     <!-- Directory chooser -->
     <string name="selected_folder_label">Selected folder:</string>
diff --git a/res/xml/preferences.xml b/res/xml/preferences.xml
index e94d1c47e..3216b7ad8 100644
--- a/res/xml/preferences.xml
+++ b/res/xml/preferences.xml
@@ -1,69 +1,117 @@
 <?xml version="1.0" encoding="utf-8"?>
-<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android" >
+<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">
 
     <PreferenceCategory android:title="@string/user_interface_label">
-        <CheckBoxPreference android:title="@string/pref_display_only_episodes_title" android:summary="@string/pref_display_only_episodes_sum" android:key="prefDisplayOnlyEpisodes"/>
-        <ListPreference android:entryValues="@array/theme_values" android:entries="@array/theme_options" android:title="@string/pref_set_theme_title" android:key="prefTheme" android:summary="@string/pref_set_theme_sum" android:defaultValue="0"/>
-    </PreferenceCategory><PreferenceCategory android:title="@string/playback_pref" >
+        <CheckBoxPreference
+            android:title="@string/pref_display_only_episodes_title"
+            android:summary="@string/pref_display_only_episodes_sum"
+            android:key="prefDisplayOnlyEpisodes"/>
+        <ListPreference
+            android:entryValues="@array/theme_values"
+            android:entries="@array/theme_options"
+            android:title="@string/pref_set_theme_title"
+            android:key="prefTheme"
+            android:summary="@string/pref_set_theme_sum"
+            android:defaultValue="0"/>
+    </PreferenceCategory>
+    <PreferenceCategory android:title="@string/playback_pref">
         <CheckBoxPreference
             android:defaultValue="true"
             android:enabled="true"
             android:key="prefPauseOnHeadsetDisconnect"
             android:summary="@string/pref_pauseOnHeadsetDisconnect_sum"
-            android:title="@string/pref_pauseOnHeadsetDisconnect_title" />
+            android:title="@string/pref_pauseOnHeadsetDisconnect_title"/>
         <CheckBoxPreference
             android:defaultValue="false"
             android:enabled="true"
             android:key="prefFollowQueue"
             android:summary="@string/pref_followQueue_sum"
-            android:title="@string/pref_followQueue_title" />
-        
+            android:title="@string/pref_followQueue_title"/>
+
     </PreferenceCategory>
-    <PreferenceCategory android:title="@string/network_pref" >
+    <PreferenceCategory android:title="@string/network_pref">
         <ListPreference
             android:defaultValue="0"
             android:entries="@array/update_intervall_values"
             android:entryValues="@array/update_intervall_values"
             android:key="prefAutoUpdateIntervall"
             android:summary="@string/pref_autoUpdateIntervall_sum"
-            android:title="@string/pref_autoUpdateIntervall_title" />
+            android:title="@string/pref_autoUpdateIntervall_title"/>
 
         <CheckBoxPreference
             android:defaultValue="false"
             android:enabled="true"
             android:key="prefMobileUpdate"
             android:summary="@string/pref_mobileUpdate_sum"
-            android:title="@string/pref_mobileUpdate_title" />
-        <ListPreference android:defaultValue="20" android:entries="@array/episode_cache_size_entries" android:key="prefEpisodeCacheSize" android:title="@string/pref_episode_cache_title" android:entryValues="@array/episode_cache_size_values"/><PreferenceScreen android:summary="@string/pref_automatic_download_sum" android:key="prefAutoDownloadSettings" android:title="@string/pref_automatic_download_title">
-            <CheckBoxPreference android:key="prefEnableAutoDl" android:title="@string/pref_automatic_download_title" android:defaultValue="false"/><CheckBoxPreference android:key="prefEnableAutoDownloadWifiFilter" android:title="@string/pref_autodl_wifi_filter_title" android:summary="@string/pref_autodl_wifi_filter_sum"/>
-            
-        </PreferenceScreen>
-        
-    </PreferenceCategory>
-    <PreferenceCategory android:title="@string/flattr_settings_label" >
+            android:title="@string/pref_mobileUpdate_title"/>
+        <ListPreference
+            android:defaultValue="20"
+            android:entries="@array/episode_cache_size_entries"
+            android:key="prefEpisodeCacheSize"
+            android:title="@string/pref_episode_cache_title"
+            android:entryValues="@array/episode_cache_size_values"/>
         <PreferenceScreen
-            android:key="pref_flattr_authenticate"
-            android:summary="@string/pref_flattr_auth_sum"
-            android:title="@string/pref_flattr_auth_title" >
-            <intent android:action=".activities.FlattrAuthActivity" />
+            android:summary="@string/pref_automatic_download_sum"
+            android:key="prefAutoDownloadSettings"
+            android:title="@string/pref_automatic_download_title">
+            <CheckBoxPreference
+                android:key="prefEnableAutoDl"
+                android:title="@string/pref_automatic_download_title"
+                android:defaultValue="false"/>
+            <CheckBoxPreference
+                android:key="prefEnableAutoDownloadWifiFilter"
+                android:title="@string/pref_autodl_wifi_filter_title"
+                android:summary="@string/pref_autodl_wifi_filter_sum"/>
+
         </PreferenceScreen>
 
-        <Preference
-            android:key="prefRevokeAccess"
-            android:summary="@string/pref_revokeAccess_sum"
-            android:title="@string/pref_revokeAccess_title" />
     </PreferenceCategory>
-    <PreferenceCategory android:title="@string/other_pref" >
-        <Preference android:title="@string/choose_data_directory" android:key="prefChooseDataDir"/><Preference
+    <PreferenceCategory android:title="@string/services_label">
+        <PreferenceScreen
+            android:key="prefFlattrSettings"
+            android:title="@string/flattr_label">
+            <PreferenceScreen
+                android:key="pref_flattr_authenticate"
+                android:summary="@string/pref_flattr_auth_sum"
+                android:title="@string/pref_flattr_auth_title">
+                <intent android:action=".activities.FlattrAuthActivity"/>
+            </PreferenceScreen>
+
+            <Preference
+                android:key="prefRevokeAccess"
+                android:summary="@string/pref_revokeAccess_sum"
+                android:title="@string/pref_revokeAccess_title"/>
+        </PreferenceScreen>
+        <PreferenceScreen
+            android:key="prefFlattrSettings"
+            android:title="@string/gpodnet_main_label">
+
+            <PreferenceScreen
+                android:key="pref_gpodnet_authenticate"
+                android:title="@string/pref_gpodnet_authenticate_title"
+                android:summary="@string/pref_gpodnet_authenticate_sum">
+                <intent android:action=".activity.gpoddernet.GpodnetAuthenticationActivity"/>
+            </PreferenceScreen>
+        </PreferenceScreen>
+
+    </PreferenceCategory>
+    <PreferenceCategory android:title="@string/other_pref">
+        <Preference
+            android:title="@string/choose_data_directory"
+            android:key="prefChooseDataDir"/>
+        <Preference
             android:key="prefFlattrThisApp"
             android:summary="@string/pref_flattr_this_app_sum"
-            android:title="@string/pref_flattr_this_app_title" >
+            android:title="@string/pref_flattr_this_app_title">
         </Preference>
-        <Preference android:key="prefOpmlExport" android:title="@string/opml_export_label"/><Preference
+        <Preference
+            android:key="prefOpmlExport"
+            android:title="@string/opml_export_label"/>
+        <Preference
             android:key="prefAbout"
-            android:title="@string/about_pref" />
-        
-        
+            android:title="@string/about_pref"/>
+
+
     </PreferenceCategory>
 
 </PreferenceScreen>
\ No newline at end of file
diff --git a/src/de/danoeh/antennapod/activity/gpoddernet/GpodnetAuthenticationActivity.java b/src/de/danoeh/antennapod/activity/gpoddernet/GpodnetAuthenticationActivity.java
new file mode 100644
index 000000000..081ef5cf0
--- /dev/null
+++ b/src/de/danoeh/antennapod/activity/gpoddernet/GpodnetAuthenticationActivity.java
@@ -0,0 +1,329 @@
+package de.danoeh.antennapod.activity.gpoddernet;
+
+import android.content.Context;
+import android.content.Intent;
+import android.os.AsyncTask;
+import android.os.Bundle;
+import android.support.v7.app.ActionBarActivity;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.widget.*;
+import de.danoeh.antennapod.AppConfig;
+import de.danoeh.antennapod.R;
+import de.danoeh.antennapod.activity.MainActivity;
+import de.danoeh.antennapod.gpoddernet.GpodnetService;
+import de.danoeh.antennapod.gpoddernet.GpodnetServiceException;
+import de.danoeh.antennapod.gpoddernet.model.GpodnetDevice;
+import de.danoeh.antennapod.preferences.GpodnetPreferences;
+import de.danoeh.antennapod.preferences.UserPreferences;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.concurrent.atomic.AtomicReference;
+
+/**
+ * Guides the user through the authentication process
+ * Step 1: Request username and password from user
+ * Step 2: Choose device from a list of available devices or create a new one
+ * Step 3: Choose from a list of actions
+ */
+public class GpodnetAuthenticationActivity extends ActionBarActivity {
+    private static final String TAG = "GpodnetAuthenticationActivity";
+
+    private ViewFlipper viewFlipper;
+
+    private static final int STEP_DEFAULT = -1;
+    private static final int STEP_LOGIN = 0;
+    private static final int STEP_DEVICE = 1;
+    private static final int STEP_FINISH = 2;
+
+    private int currentStep = -1;
+
+    private GpodnetService service;
+    private volatile String username;
+    private volatile String password;
+    private volatile GpodnetDevice selectedDevice;
+
+    View[] views;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setTheme(UserPreferences.getTheme());
+
+        setContentView(R.layout.gpodnetauth_activity);
+        service = new GpodnetService();
+
+        viewFlipper = (ViewFlipper) findViewById(R.id.viewflipper);
+        LayoutInflater inflater = (LayoutInflater)
+                getSystemService(Context.LAYOUT_INFLATER_SERVICE);
+        views = new View[]{
+                inflater.inflate(R.layout.gpodnetauth_credentials, null),
+                inflater.inflate(R.layout.gpodnetauth_device, null),
+                inflater.inflate(R.layout.gpodnetauth_finish, null)
+        };
+        for (View view : views) {
+            viewFlipper.addView(view);
+        }
+        advance();
+    }
+
+    @Override
+    protected void onDestroy() {
+        super.onDestroy();
+        if (service != null) {
+            service.shutdown();
+        }
+    }
+
+    private void setupLoginView(View view) {
+        final EditText username = (EditText) view.findViewById(R.id.etxtUsername);
+        final EditText password = (EditText) view.findViewById(R.id.etxtPassword);
+        final Button login = (Button) view.findViewById(R.id.butLogin);
+        final TextView txtvError = (TextView) view.findViewById(R.id.txtvError);
+        final ProgressBar progressBar = (ProgressBar) view.findViewById(R.id.progBarLogin);
+
+        login.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+
+                final String usernameStr = username.getText().toString();
+                final String passwordStr = password.getText().toString();
+
+                if (AppConfig.DEBUG) Log.d(TAG, "Checking login credentials");
+                new AsyncTask<GpodnetService, Void, Void>() {
+
+                    volatile Exception exception;
+
+                    @Override
+                    protected void onPreExecute() {
+                        super.onPreExecute();
+                        login.setEnabled(false);
+                        progressBar.setVisibility(View.VISIBLE);
+                        txtvError.setVisibility(View.GONE);
+
+                    }
+
+                    @Override
+                    protected void onPostExecute(Void aVoid) {
+                        super.onPostExecute(aVoid);
+                        login.setEnabled(true);
+                        progressBar.setVisibility(View.GONE);
+
+                        if (exception == null) {
+                            advance();
+                        } else {
+                            txtvError.setText(exception.getMessage());
+                            txtvError.setVisibility(View.VISIBLE);
+                        }
+                    }
+
+                    @Override
+                    protected Void doInBackground(GpodnetService... params) {
+                        try {
+                            params[0].authenticate(usernameStr, passwordStr);
+                            GpodnetAuthenticationActivity.this.username = usernameStr;
+                            GpodnetAuthenticationActivity.this.password = passwordStr;
+                        } catch (GpodnetServiceException e) {
+                            e.printStackTrace();
+                            exception = e;
+                        }
+                        return null;
+                    }
+                }.execute(service);
+            }
+        });
+    }
+
+    private void setupDeviceView(View view) {
+        final EditText deviceID = (EditText) view.findViewById(R.id.etxtDeviceID);
+        final EditText caption = (EditText) view.findViewById(R.id.etxtCaption);
+        final Button createNewDevice = (Button) view.findViewById(R.id.butCreateNewDevice);
+        final Button chooseDevice = (Button) view.findViewById(R.id.butChooseExistingDevice);
+        final TextView txtvError = (TextView) view.findViewById(R.id.txtvError);
+        final ProgressBar progBarCreateDevice = (ProgressBar) view.findViewById(R.id.progbarCreateDevice);
+        final Spinner spinnerDevices = (Spinner) view.findViewById(R.id.spinnerChooseDevice);
+
+
+        // load device list
+        final AtomicReference<List<GpodnetDevice>> devices = new AtomicReference<List<GpodnetDevice>>();
+        new AsyncTask<GpodnetService, Void, List<GpodnetDevice>>() {
+
+            private volatile Exception exception;
+
+            @Override
+            protected void onPreExecute() {
+                super.onPreExecute();
+                chooseDevice.setEnabled(false);
+                spinnerDevices.setEnabled(false);
+                createNewDevice.setEnabled(false);
+            }
+
+            @Override
+            protected void onPostExecute(List<GpodnetDevice> gpodnetDevices) {
+                super.onPostExecute(gpodnetDevices);
+                if (gpodnetDevices != null) {
+                    List<String> deviceNames = new ArrayList<String>();
+                    for (GpodnetDevice device : gpodnetDevices) {
+                        deviceNames.add(device.getId());
+                    }
+                    spinnerDevices.setAdapter(new ArrayAdapter<String>(GpodnetAuthenticationActivity.this,
+                            android.R.layout.simple_spinner_dropdown_item, deviceNames));
+                    spinnerDevices.setEnabled(true);
+                    if (!deviceNames.isEmpty()) {
+                        chooseDevice.setEnabled(true);
+                    }
+                    devices.set(gpodnetDevices);
+                    createNewDevice.setEnabled(true);
+                }
+            }
+
+            @Override
+            protected List<GpodnetDevice> doInBackground(GpodnetService... params) {
+                try {
+                    return params[0].getDevices(username);
+                } catch (GpodnetServiceException e) {
+                    e.printStackTrace();
+                    exception = e;
+                    return null;
+                }
+            }
+        }.execute(service);
+
+
+        createNewDevice.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                if (checkDeviceIDText(deviceID, txtvError, devices.get())) {
+                    final String deviceStr = deviceID.getText().toString();
+                    final String captionStr = caption.getText().toString();
+
+                    new AsyncTask<GpodnetService, Void, GpodnetDevice>() {
+
+                        private volatile Exception exception;
+
+                        @Override
+                        protected void onPreExecute() {
+                            super.onPreExecute();
+                            createNewDevice.setEnabled(false);
+                            chooseDevice.setEnabled(false);
+                            progBarCreateDevice.setVisibility(View.VISIBLE);
+                            txtvError.setVisibility(View.GONE);
+                        }
+
+                        @Override
+                        protected void onPostExecute(GpodnetDevice result) {
+                            super.onPostExecute(result);
+                            createNewDevice.setEnabled(true);
+                            chooseDevice.setEnabled(true);
+                            progBarCreateDevice.setVisibility(View.GONE);
+                            if (exception == null) {
+                                selectedDevice = result;
+                                advance();
+                            } else {
+                                txtvError.setText(exception.getMessage());
+                                txtvError.setVisibility(View.VISIBLE);
+                            }
+                        }
+
+                        @Override
+                        protected GpodnetDevice doInBackground(GpodnetService... params) {
+                            try {
+                                params[0].configureDevice(username, deviceStr, captionStr, GpodnetDevice.DeviceType.MOBILE);
+                                return new GpodnetDevice(deviceStr, captionStr, GpodnetDevice.DeviceType.MOBILE.toString(), 0);
+                            } catch (GpodnetServiceException e) {
+                                e.printStackTrace();
+                                exception = e;
+                            }
+                            return null;
+                        }
+                    }.execute(service);
+                }
+            }
+        });
+
+        chooseDevice.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                final int position = spinnerDevices.getSelectedItemPosition();
+                selectedDevice = devices.get().get(position);
+                advance();
+            }
+        });
+    }
+
+    private boolean checkDeviceIDText(EditText deviceID, TextView txtvError, List<GpodnetDevice> devices) {
+        String text = deviceID.getText().toString();
+        if (text.length() == 0) {
+            txtvError.setText(R.string.gpodnetauth_device_errorEmpty);
+            txtvError.setVisibility(View.VISIBLE);
+            return false;
+        } else {
+            if (devices != null) {
+                for (GpodnetDevice device : devices) {
+                    if (device.getId().equals(text)) {
+                        txtvError.setText(R.string.gpodnetauth_device_errorAlreadyUsed);
+                        txtvError.setVisibility(View.VISIBLE);
+                        return false;
+                    }
+                }
+                txtvError.setVisibility(View.GONE);
+                return true;
+            }
+            return true;
+        }
+
+    }
+
+    private void setupFinishView(View view) {
+        final Button sync = (Button) view.findViewById(R.id.butSyncNow);
+        final Button back = (Button) view.findViewById(R.id.butGoMainscreen);
+
+        back.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(GpodnetAuthenticationActivity.this, MainActivity.class);
+                intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
+                startActivity(intent);
+
+            }
+        });
+    }
+
+    private void writeLoginCredentials() {
+        if (AppConfig.DEBUG) Log.d(TAG, "Writing login credentials");
+        GpodnetPreferences.setUsername(username);
+        GpodnetPreferences.setPassword(password);
+        GpodnetPreferences.setDeviceID(selectedDevice.getId());
+    }
+
+    private void advance() {
+        if (currentStep < STEP_FINISH) {
+
+            View view = views[currentStep + 1];
+            if (currentStep == STEP_DEFAULT) {
+                setupLoginView(view);
+            } else if (currentStep == STEP_LOGIN) {
+                if (username == null || password == null) {
+                    throw new IllegalStateException("Username and password must not be null here");
+                } else {
+                    setupDeviceView(view);
+                }
+            } else if (currentStep == STEP_DEVICE) {
+                if (selectedDevice == null) {
+                    throw new IllegalStateException("Device must not be null here");
+                } else {
+                    writeLoginCredentials();
+                    setupFinishView(view);
+                }
+            }
+            if (currentStep != STEP_DEFAULT) {
+                viewFlipper.showNext();
+            }
+            currentStep++;
+        } else {
+            finish();
+        }
+    }
+}
diff --git a/src/de/danoeh/antennapod/gpoddernet/GpodnetService.java b/src/de/danoeh/antennapod/gpoddernet/GpodnetService.java
index 01efd0a4f..11d7a8517 100644
--- a/src/de/danoeh/antennapod/gpoddernet/GpodnetService.java
+++ b/src/de/danoeh/antennapod/gpoddernet/GpodnetService.java
@@ -453,10 +453,16 @@ public class GpodnetService {
     }
 
     /**
-     * Shuts down the GpodnetService's HTTP client.
+     * Shuts down the GpodnetService's HTTP client. The service will be shut down in a separate thread to avoid
+     * NetworkOnMainThreadExceptions.
      */
     public void shutdown() {
-        httpClient.getConnectionManager().shutdown();
+        new Thread() {
+            @Override
+            public void run() {
+                httpClient.getConnectionManager().shutdown();
+            }
+        }.start();
     }
 
     private String executeRequest(HttpRequestBase request)