Android Open Source - BBC-News-Reader Reader Widget

From Project

License

The source code is released under:

Copyright (c) 2011, 2012, Digital Lizard (Oscar Key, Thomas Boby) All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the...

If you think the Android project BBC-News-Reader listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.

Java Source Code

/*******************************************************************************
 * BBC News Reader//from   ww  w .  j a  v  a2  s .c o m
 * Released under the BSD License. See README or LICENSE.
 * Copyright (c) 2011, Digital Lizard (Oscar Key, Thomas Boby)
 * All rights reserved.
 ******************************************************************************/
package com.digitallizard.bbcnewsreader.widget;

import android.app.PendingIntent;
import android.appwidget.AppWidgetManager;
import android.appwidget.AppWidgetProvider;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.net.Uri;
import android.widget.RemoteViews;

import com.digitallizard.bbcnewsreader.ArticleActivity;
import com.digitallizard.bbcnewsreader.Item;
import com.digitallizard.bbcnewsreader.R;
import com.digitallizard.bbcnewsreader.ReaderActivity;
import com.digitallizard.bbcnewsreader.data.DatabaseHandler;
import com.digitallizard.bbcnewsreader.data.DatabaseProvider;

public class ReaderWidget extends AppWidgetProvider {
  private static final int NUM_ITEMS = 5; // the number of items to flip through
  public static final String PREF_KEY_CATEGORY = "widget_category_"; // key for the category
  public static final String DEFAULT_CATEGORY = "Headlines"; // the default category
  
  @Override
  public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
    // retrieve the news from the database
    DatabaseHandler database = new DatabaseHandler(context);
    SharedPreferences settings = context.getSharedPreferences(ReaderActivity.PREFS_FILE_NAME, Context.MODE_PRIVATE);
    
    for (int i = 0; i < appWidgetIds.length; i++) {
      String category = settings.getString(PREF_KEY_CATEGORY + appWidgetIds[i], DEFAULT_CATEGORY);
      Item[] items = database.getItems(category, NUM_ITEMS);
      
      // create references to the required view
      RemoteViews view = new RemoteViews(context.getPackageName(), R.layout.widget);
      
      // make the bbc news logo clickable
      Intent appIntent = new Intent(context, ReaderActivity.class);
      appIntent.addCategory(Intent.CATEGORY_LAUNCHER);
      appIntent.setAction(Intent.ACTION_MAIN);
      PendingIntent appPendingIntent = PendingIntent.getActivity(context, 0, appIntent, PendingIntent.FLAG_UPDATE_CURRENT);
      view.setOnClickPendingIntent(R.id.widgetLogo, appPendingIntent);
      
      // remote existing views from the flipper
      view.removeAllViews(R.id.widgetFlipper);
      
      // loop through and add the latest news to the item
      for (int j = 0; j < NUM_ITEMS && j < items.length; j++) {
        // create a view for this item
        RemoteViews item = new RemoteViews(context.getPackageName(), R.layout.widget_item);
        // set the text
        item.setTextViewText(R.id.widgetItemTitle, items[j].getTitle());
        item.setTextViewText(R.id.widgetItemDesc, items[j].getDescription());
        
        // make the item clickable
        Intent itemIntent = new Intent(context, ArticleActivity.class);
        itemIntent.setData(Uri.withAppendedPath(DatabaseProvider.CONTENT_URI_ITEMS, Integer.toString(items[j].getId())));
        itemIntent.putExtra(ArticleActivity.EXTRA_KEY_ITEM_ID, items[j].getId());
        itemIntent.addCategory(Intent.CATEGORY_LAUNCHER);
        itemIntent.setAction(Intent.ACTION_MAIN);
        PendingIntent itemPendingIntent = PendingIntent.getActivity(context, j, itemIntent, PendingIntent.FLAG_UPDATE_CURRENT);
        item.setOnClickPendingIntent(R.id.widgetItemTitle, itemPendingIntent);
        item.setOnClickPendingIntent(R.id.widgetItemDesc, itemPendingIntent);
        
        // add this item to the flipper
        view.addView(R.id.widgetFlipper, item);
      }
      
      // update the widget with the updated views
      AppWidgetManager manager = AppWidgetManager.getInstance(context);
      manager.updateAppWidget(appWidgetIds[i], view);
    }
  }
  
}

Java Source Code List