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app-facebook-event-scraper
mirror of https://github.com/akaessens/NoFbEventScraper
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Code Issues Releases Wiki Activity

first recyclerview with multiple events prototype

This commit is contained in:
akaessens 2020-09-04 13:23:19 +02:00
parent c43911fc77
commit 926c2c612a
8 changed files with 369 additions and 88 deletions
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3
app/build.gradle
View File

@ -25,11 +25,12 @@ android {
dependencies {
'androidx.coordinatorlayout:coordinatorlayout:1.1.0'
implementation 'androidx.recyclerview:recyclerview:1.1.0'
implementation fileTree(dir: 'libs', include: ['*.jar'])
implementation 'androidx.appcompat:appcompat:1.2.0'
implementation 'com.google.android.material:material:1.2.0'
implementation 'com.google.android.material:material:1.2.1'
implementation 'androidx.navigation:navigation-fragment:2.3.0'
implementation 'androidx.navigation:navigation-ui:2.3.0'

104
app/src/main/java/com/akdev/nofbeventscraper/EventAdapter.java Normal file
View File

@ -0,0 +1,104 @@
package com.akdev.nofbeventscraper;
import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import androidx.recyclerview.widget.RecyclerView;
import com.google.android.material.textfield.TextInputEditText;
import java.util.List;
public class EventAdapter extends
RecyclerView.Adapter<EventAdapter.ViewHolder> {
private List<FbEvent> events;
// Pass in the contact array into the constructor
public EventAdapter(List<FbEvent> events) {
this.events = events;
}
@Override
public EventAdapter.ViewHolder onCreateViewHolder(ViewGroup parent, int view_type) {
Context context = parent.getContext();
LayoutInflater inflater = LayoutInflater.from(context);
// Inflate the custom layout
View contact_view = inflater.inflate(R.layout.item_event, parent, false);
// Return a new holder instance
return new ViewHolder(contact_view);
}
@Override
public void onBindViewHolder(EventAdapter.ViewHolder holder, int position) {
// Get the data model based on position
FbEvent event = events.get(position);
// Set item views based on your views and data model
if (event.name.equals("")) {
//holder.edit_text_event_name.setError(R.string.error_no_name);
} else {
holder.edit_text_event_name.setText(event.name);
}
if (event.start_date == null) {
//holder.edit_text_event_start.setError(getString(R.string.error_no_start_date));
} else {
String str = FbEvent.dateTimeToString(event.start_date);
holder.edit_text_event_start.setText(str);
}
if (event.end_date == null) {
//edit_text_event_end.setError(getString(R.string.error_no_end_date));
} else {
String str = FbEvent.dateTimeToString(event.end_date);
holder.edit_text_event_end.setText(str);
}
if (event.location.equals("")) {
//edit_text_event_location.setError(getString(R.string.error_no_location));
} else {
holder.edit_text_event_location.setText(event.location);
//layout_event_location.setEndIconVisible(true);
}
if (event.description.equals("")) {
//holder.edit_text_event_description.setError(getString(R.string.error_no_description));
} else {
holder.edit_text_event_description.setText(event.description);
}
}
// Returns the total count of items in the list
@Override
public int getItemCount() {
return events.size();
}
public class ViewHolder extends RecyclerView.ViewHolder {
protected TextInputEditText edit_text_event_name;
protected TextInputEditText edit_text_event_start;
protected TextInputEditText edit_text_event_end;
protected TextInputEditText edit_text_event_location;
protected TextInputEditText edit_text_event_description;
public ViewHolder(View item_view) {
super(item_view);
edit_text_event_name = (TextInputEditText) item_view.findViewById(R.id.edit_text_event_name);
edit_text_event_start = (TextInputEditText) item_view.findViewById(R.id.edit_text_event_start);
edit_text_event_end = (TextInputEditText) item_view.findViewById(R.id.edit_text_event_end);
edit_text_event_location = (TextInputEditText) item_view.findViewById(R.id.edit_text_event_location);
edit_text_event_description = (TextInputEditText) item_view.findViewById(R.id.edit_text_event_description);
}
}
}

23
app/src/main/java/com/akdev/nofbeventscraper/FbEvent.java
View File

@ -1,6 +1,10 @@
package com.akdev.nofbeventscraper;
import android.app.usage.UsageEvents;
import android.util.EventLog;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.Locale;
@ -18,6 +22,15 @@ public class FbEvent {
public final String location;
public final String image_url;
public FbEvent() {
url = "url";
name= "name";
start_date = null;
end_date = null;
description = "description";
location = "location";
image_url = null;
}
public FbEvent(String url, String name, Date start_date, Date end_date,
String description, String location, String image_url) {
@ -30,6 +43,16 @@ public class FbEvent {
this.image_url = image_url;
}
public static ArrayList<FbEvent> createEventList(int num_events) {
ArrayList<FbEvent> events = new ArrayList<FbEvent>();
for (int i = 1; i <= num_events; i++) {
events.add(new FbEvent());
}
return events;
}
/**
* Converts datetime to epoch.
*

14
app/src/main/java/com/akdev/nofbeventscraper/FbScraper.java
View File

@ -17,10 +17,13 @@ import java.net.URISyntaxException;
import java.net.URL;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.List;
import java.util.Locale;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import static com.akdev.nofbeventscraper.FbEvent.createEventList;
/**
* This class can asynchronously scrape public facebook events
* and gather the most important information. It is stored in a FbEvent object.
@ -30,7 +33,7 @@ public class FbScraper extends AsyncTask<Void, Void, Void> {
private int error;
private String input_url;
private WeakReference<MainActivity> main; // no context leak with WeakReference
private FbEvent event;
private List<FbEvent> events;
/**
* Constructor with WeakReference to the main activity, to update it's text fields.
@ -41,6 +44,7 @@ public class FbScraper extends AsyncTask<Void, Void, Void> {
FbScraper(WeakReference<MainActivity> main, String input_url) {
this.main = main;
this.input_url = input_url;
this.events = createEventList(0);
}
/**
@ -222,8 +226,8 @@ public class FbScraper extends AsyncTask<Void, Void, Void> {
// ignore
}
event = new FbEvent(url, name, start_date, end_date, description, location, image_url);
FbEvent event = new FbEvent(url, name, start_date, end_date, description, location, image_url);
this.events.add(event);
} catch (URISyntaxException | MalformedURLException e) {
e.printStackTrace();
@ -257,8 +261,8 @@ public class FbScraper extends AsyncTask<Void, Void, Void> {
super.onPostExecute(aVoid);
if (main != null) {
if (this.event != null) {
main.get().update(event);
if (! this.events.isEmpty()) {
main.get().update(events);
} else {
main.get().error(error);
main.get().clear(false);

118
app/src/main/java/com/akdev/nofbeventscraper/MainActivity.java
View File

@ -17,6 +17,8 @@ import android.widget.ImageView;
import androidx.appcompat.app.AppCompatActivity;
import androidx.appcompat.view.menu.MenuBuilder;
import androidx.appcompat.widget.Toolbar;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;
import com.google.android.material.appbar.AppBarLayout;
import com.google.android.material.appbar.CollapsingToolbarLayout;
@ -25,8 +27,10 @@ import com.google.android.material.textfield.TextInputLayout;
import com.squareup.picasso.Picasso;
import java.lang.ref.WeakReference;
import java.util.List;
import java.util.Objects;
import static com.akdev.nofbeventscraper.FbEvent.createEventList;
import static com.akdev.nofbeventscraper.FbEvent.dateTimeToEpoch;
public class MainActivity extends AppCompatActivity {
@ -35,55 +39,60 @@ public class MainActivity extends AppCompatActivity {
protected Button paste_button;
protected TextInputEditText edit_text_uri_input;
protected TextInputEditText edit_text_event_name;
protected TextInputEditText edit_text_event_start;
protected TextInputEditText edit_text_event_end;
protected TextInputEditText edit_text_event_location;
protected TextInputEditText edit_text_event_description;
protected TextInputLayout layout_uri_input;
protected TextInputLayout layout_event_location;
protected ImageView image_view_toolbar;
protected CollapsingToolbarLayout layout_toolbar;
protected FbScraper scraper;
protected FbEvent event;
protected List<FbEvent> events;
EventAdapter adapter;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Toolbar toolbar = findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
ok_button = (Button) findViewById(R.id.ok_button);
paste_button = (Button) findViewById(R.id.paste_button);
edit_text_uri_input = (TextInputEditText) findViewById(R.id.edit_text_uri_input);
edit_text_event_name = (TextInputEditText) findViewById(R.id.edit_text_event_name);
edit_text_event_start = (TextInputEditText) findViewById(R.id.edit_text_event_start);
edit_text_event_end = (TextInputEditText) findViewById(R.id.edit_text_event_end);
edit_text_event_location = (TextInputEditText) findViewById(R.id.edit_text_event_location);
edit_text_event_description = (TextInputEditText) findViewById(R.id.edit_text_event_description);
layout_uri_input = (TextInputLayout) findViewById(R.id.layout_uri_input);
layout_event_location = (TextInputLayout) findViewById(R.id.layout_event_location);
// Lookup the recyclerview in activity layout
RecyclerView recycler_view = (RecyclerView) findViewById(R.id.recycler_view);
// Initialize contacts
events = createEventList(3);
// Create adapter passing in the sample user data
adapter = new EventAdapter(events);
// Attach the adapter to the recyclerview to populate items
recycler_view.setAdapter(adapter);
// Set layout manager to position the items
recycler_view.setLayoutManager(new LinearLayoutManager(this, LinearLayoutManager.HORIZONTAL, false));
// That's all!
/*Toolbar toolbar = findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
//ok_button = (Button) findViewById(R.id.ok_button);
paste_button = (Button) findViewById(R.id.paste_button);
layout_toolbar = (CollapsingToolbarLayout) findViewById(R.id.layout_toolbar);
image_view_toolbar = (ImageView) findViewById(R.id.image_view);
image_view_toolbar = (ImageView) findViewById(R.id.image_view);*/
/*
* Default view settings
*/
ok_button.setEnabled(false);
layout_event_location.setEndIconVisible(false);
image_view_toolbar.setImageResource(R.drawable.ic_banner_foreground);
//ok_button.setEnabled(false);
//layout_event_location.setEndIconVisible(false);
//image_view_toolbar.setImageResource(R.drawable.ic_banner_foreground);
/*
* Display title only when toolbar is collapsed
*/
AppBarLayout app_bar_layout = (AppBarLayout) findViewById(R.id.app_bar);
/*AppBarLayout app_bar_layout = (AppBarLayout) findViewById(R.id.app_bar);
app_bar_layout.addOnOffsetChangedListener(new AppBarLayout.OnOffsetChangedListener() {
boolean show = true;
int scroll_range = -1;
@ -106,7 +115,7 @@ public class MainActivity extends AppCompatActivity {
/*
* Paste button: get last entry from clipboard
*/
paste_button.setOnClickListener(new View.OnClickListener() {
/*paste_button.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
@ -141,7 +150,7 @@ public class MainActivity extends AppCompatActivity {
/*
* Maps button: launch maps intent
*/
layout_event_location.setEndIconOnClickListener(new View.OnClickListener() {
/*layout_event_location.setEndIconOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
String map_search = "geo:0,0?q=" + edit_text_event_location.getText();
@ -152,12 +161,12 @@ public class MainActivity extends AppCompatActivity {
startActivity(map_intent);
}
}
});
});*/
/*
* Add to calendar button: launch calendar application
*/
ok_button.setOnClickListener(new View.OnClickListener() {
/*ok_button.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
@ -179,7 +188,7 @@ public class MainActivity extends AppCompatActivity {
startActivity(intent);
}
}
});
});*/
/*
* Enter button in uri input: start scraping
@ -249,7 +258,7 @@ public class MainActivity extends AppCompatActivity {
edit_text_uri_input.setText("");
layout_uri_input.setError(null);
}
edit_text_event_name.setText("");
/*edit_text_event_name.setText("");
edit_text_event_start.setText("");
edit_text_event_end.setText("");
edit_text_event_location.setText("");
@ -259,7 +268,9 @@ public class MainActivity extends AppCompatActivity {
edit_text_event_start.setError(null);
edit_text_event_end.setError(null);
edit_text_event_location.setError(null);
edit_text_event_description.setError(null);
edit_text_event_description.setError(null);*/
this.events.clear();
try {
scraper.cancel(true);
@ -269,62 +280,33 @@ public class MainActivity extends AppCompatActivity {
}
ok_button.setEnabled(false);
/*ok_button.setEnabled(false);
layout_event_location.setEndIconVisible(false);
image_view_toolbar.setImageResource(R.drawable.ic_banner_foreground);
image_view_toolbar.setImageResource(R.drawable.ic_banner_foreground);*/
}
/**
* Updates the text fields with the event information provided.
* If something is missing, the corresponding test field will show an error.
*
* @param scraped_event the event information that was scraped by FbScraper
* @param events the event information that was scraped by FbScraper
*/
public void update(FbEvent scraped_event) {
public void update(List<FbEvent> events) {
this.event = scraped_event;
this.events.addAll(0, events);
edit_text_uri_input.setText(event.url);
adapter.notifyItemInserted(0);
if (event.name.equals("")) {
edit_text_event_name.setError(getString(R.string.error_no_name));
} else {
edit_text_event_name.setText(event.name);
}
/*edit_text_uri_input.setText(event.url);
if (event.start_date == null) {
edit_text_event_start.setError(getString(R.string.error_no_start_date));
} else {
String str = FbEvent.dateTimeToString(event.start_date);
edit_text_event_start.setText(str);
}
if (event.end_date == null) {
edit_text_event_end.setError(getString(R.string.error_no_end_date));
} else {
String str = FbEvent.dateTimeToString(event.end_date);
edit_text_event_end.setText(str);
}
if (event.location.equals("")) {
edit_text_event_location.setError(getString(R.string.error_no_location));
} else {
edit_text_event_location.setText(event.location);
layout_event_location.setEndIconVisible(true);
}
if (event.description.equals("")) {
edit_text_event_description.setError(getString(R.string.error_no_description));
} else {
edit_text_event_description.setText(event.description);
}
Picasso.get()
.load(event.image_url)
.placeholder(R.drawable.ic_banner_foreground)
.into(image_view_toolbar);
ok_button.setEnabled(true);
ok_button.setEnabled(true);*/
}

34
app/src/main/res/layout/activity_main.xml
View File

@ -1,6 +1,15 @@
<?xml version="1.0" encoding="utf-8"?>
<androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent">
<include layout="@layout/content_main" />
</RelativeLayout>
<!--<androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/coordinator_layout"
@ -12,10 +21,11 @@
<com.google.android.material.appbar.AppBarLayout
android:id="@+id/app_bar"
android:layout_width="match_parent"
android:layout_height="180dp"
android:layout_height="150dp"
android:fitsSystemWindows="true"
android:theme="@style/AppTheme.AppBarOverlay">
<com.google.android.material.appbar.CollapsingToolbarLayout
android:id="@+id/layout_toolbar"
android:layout_width="match_parent"
@ -27,7 +37,12 @@
app:layout_scrollFlags="scroll|exitUntilCollapsed"
app:toolbarId="@+id/toolbar">
<!-- android:src="@drawable/ic_banner_foreground"-->
<androidx.appcompat.widget.Toolbar
android:id="@+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
app:popupTheme="@style/AppTheme.PopupOverlay"
app:title="NoFb Event Scraper" />
<androidx.appcompat.widget.AppCompatImageView
@ -38,13 +53,7 @@
android:scaleType="centerCrop"
app:layout_collapseMode="parallax" />
<androidx.appcompat.widget.Toolbar
android:id="@+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
app:layout_collapseMode="pin"
app:popupTheme="@style/AppTheme.PopupOverlay"
app:title="NoFb Event Scraper" />
</com.google.android.material.appbar.CollapsingToolbarLayout>
@ -63,7 +72,8 @@
android:tooltipText="@string/tooltip_paste"
tools:ignore="UnusedAttribute" />
<include layout="@layout/content_main" />
<include layout="@layout/content_main" />
<com.google.android.material.bottomappbar.BottomAppBar
android:id="@+id/bottom_appbar"
@ -92,4 +102,4 @@
</com.google.android.material.bottomappbar.BottomAppBar>
</androidx.coordinatorlayout.widget.CoordinatorLayout>
</androidx.coordinatorlayout.widget.CoordinatorLayout>-->

49
app/src/main/res/layout/content_main.xml
View File

@ -1,5 +1,50 @@
<?xml version="1.0" encoding="utf-8"?>
<androidx.core.widget.NestedScrollView
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
tools:context=".MainActivity"
tools:showIn="@layout/activity_main"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:layout_behavior="@string/appbar_scrolling_view_behavior"
android:orientation="vertical"
android:layout_margin="16dp">
<com.google.android.material.textfield.TextInputLayout
android:id="@+id/layout_uri_input"
style="@style/Widget.MaterialComponents.TextInputLayout.FilledBox"
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:endIconCheckable="false"
app:endIconDrawable="@drawable/ic_backspace_black"
app:errorIconDrawable="@drawable/ic_backspace_black"
app:endIconMode="custom"
app:helperText="@string/helper_add_link"
app:helperTextEnabled="true">
<com.google.android.material.textfield.TextInputEditText
android:id="@+id/edit_text_uri_input"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:autoLink="web"
android:cursorVisible="true"
android:hint="@string/hint_add_link"
android:inputType="textNoSuggestions"
android:singleLine="true"
android:textColorLink="@color/material_on_background_emphasis_high_type" />
</com.google.android.material.textfield.TextInputLayout>
<androidx.recyclerview.widget.RecyclerView android:id="@+id/recycler_view"
android:layout_width="match_parent"
android:layout_height="match_parent"/>
</LinearLayout>
<!--<androidx.core.widget.NestedScrollView
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
@ -141,4 +186,4 @@
</LinearLayout>
</androidx.core.widget.NestedScrollView>
</androidx.core.widget.NestedScrollView>-->

112
app/src/main/res/layout/item_event.xml Normal file
View File

@ -0,0 +1,112 @@
<?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"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_margin="16dp">
<LinearLayout
android:id="@+id/linear_layout"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginStart="16dp"
android:layout_marginEnd="16dp"
android:layout_marginTop="32dp"
android:layout_marginBottom="64dp"
android:divider="@drawable/divider"
android:orientation="vertical"
android:showDividers="middle">
<com.google.android.material.textfield.TextInputLayout
style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox"
android:layout_width="match_parent"
android:layout_height="match_parent">
<com.google.android.material.textfield.TextInputEditText
android:id="@+id/edit_text_event_name"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:focusable="false"
android:cursorVisible="false"
android:hint="@string/hint_event_name"
android:inputType="textNoSuggestions"
android:singleLine="true"
android:textColorLink="@color/material_on_background_emphasis_high_type" />
</com.google.android.material.textfield.TextInputLayout>
<com.google.android.material.textfield.TextInputLayout
style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox"
android:layout_width="match_parent"
android:layout_height="match_parent">
<com.google.android.material.textfield.TextInputEditText
android:id="@+id/edit_text_event_start"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:focusable="false"
android:cursorVisible="false"
android:hint="@string/hint_event_start"
android:inputType="textNoSuggestions"
android:singleLine="true" />
</com.google.android.material.textfield.TextInputLayout>
<com.google.android.material.textfield.TextInputLayout
style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox"
android:layout_width="match_parent"
android:layout_height="match_parent">
<com.google.android.material.textfield.TextInputEditText
android:id="@+id/edit_text_event_end"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:focusable="false"
android:cursorVisible="false"
android:hint="@string/hint_event_end"
android:inputType="textNoSuggestions"
android:singleLine="true" />
</com.google.android.material.textfield.TextInputLayout>
<com.google.android.material.textfield.TextInputLayout
android:id="@+id/layout_event_location"
style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:endIconDrawable="@drawable/ic_add_location"
app:endIconMode="custom">
<com.google.android.material.textfield.TextInputEditText
android:id="@+id/edit_text_event_location"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:focusable="false"
android:cursorVisible="false"
android:hint="@string/hint_event_location"
android:inputType="textNoSuggestions"
android:singleLine="true" />
</com.google.android.material.textfield.TextInputLayout>
<com.google.android.material.textfield.TextInputLayout
style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox"
android:layout_width="match_parent"
android:layout_height="match_parent">
<com.google.android.material.textfield.TextInputEditText
android:id="@+id/edit_text_event_description"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:autoLink="web"
android:focusable="false"
android:cursorVisible="false"
android:hint="@string/hint_event_description"
android:inputType="textNoSuggestions|textMultiLine"
android:singleLine="false"
android:textColorLink="@color/material_on_background_emphasis_high_type" />
</com.google.android.material.textfield.TextInputLayout>
</LinearLayout>
</LinearLayout>