Android Open Source - BatteryFu Toggle Widget

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From Project

Back to project page BatteryFu.

License

The source code is released under:

GNU General Public License

Java Source Code

package com.tobykurien.batteryfu;
/*from w  w  w  . j  av a2 s. co  m*/
import android.app.PendingIntent;
import android.appwidget.AppWidgetManager;
import android.appwidget.AppWidgetProvider;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.net.Uri;
import android.preference.PreferenceManager;
import android.util.Log;
import android.widget.RemoteViews;

public class ToggleWidget extends AppWidgetProvider {
  public static String ACTION_WIDGET_RECEIVER = "com.tobykurien.batteryFu.WidgetReceiver";

  @Override
  public void onUpdate(Context context, AppWidgetManager appWidgetManager,
      int[] appWidgetIds) {
    Log.i("BatteryFu", "Got widget update: " + appWidgetManager.toString());
    super.onUpdate(context, appWidgetManager, appWidgetIds);
    
    RemoteViews remoteViews = new RemoteViews(context.getPackageName(), R.layout.widget);
    initWidget(context, remoteViews);
    appWidgetManager.updateAppWidget(appWidgetIds, remoteViews);
  }

  /**
   * Initialise the widget views and click handlers
   * @param context
   * @param remoteViews
   */
  private void initWidget(Context context, RemoteViews remoteViews) {
    // put the right icon image on
    Settings settings = Settings.getSettings(context);
    if (settings.isEnabled()) {
      remoteViews.setImageViewResource(R.id.widget_icon, R.drawable.widget_icon_toggle_on);
    } else {
      remoteViews.setImageViewResource(R.id.widget_icon, R.drawable.widget_icon_toggle_off);
    }
    
    // separate intent for clicking the icon
    Intent active = new Intent(context, ToggleWidget.class);
    active.setAction(ACTION_WIDGET_RECEIVER);
    active.setData(Uri.parse("click://icon"));
    PendingIntent actionPendingIntent = PendingIntent.getBroadcast(context, 0, active, 0);    
    remoteViews.setOnClickPendingIntent(R.id.widget_icon, actionPendingIntent);
    
    // vs clicking the text
    active.setData(Uri.parse("click://text"));
    actionPendingIntent = PendingIntent.getBroadcast(context, 0, active, 0);    
    remoteViews.setOnClickPendingIntent(R.id.widget_text, actionPendingIntent);
  }
  
  @Override
  public void onReceive(Context context, Intent intent) {
    super.onReceive(context, intent);
    Log.i("BatteryFu", "Got widget receive: " + intent.getAction());

    // gonna keep re-initializing the widget to avoid it becoming unresponsive
    RemoteViews remoteViews = new RemoteViews(context.getPackageName(), R.layout.widget);
      initWidget(context, remoteViews);
    
    // v1.5 fix that doesn't call onDelete Action
    final String action = intent.getAction();
    if (AppWidgetManager.ACTION_APPWIDGET_DELETED.equals(action)) {
      final int appWidgetId = intent.getExtras().getInt(
          AppWidgetManager.EXTRA_APPWIDGET_ID,
          AppWidgetManager.INVALID_APPWIDGET_ID);
      if (appWidgetId != AppWidgetManager.INVALID_APPWIDGET_ID) {
        this.onDeleted(context, new int[] { appWidgetId });
      }
    } else {
      // check, if our Action was called
      if (intent.getAction().equals(ACTION_WIDGET_RECEIVER)) {

        if (intent.getDataString().equals("batteryfu://enabled")) {
          setImage(context, R.drawable.widget_icon_toggle_on);
        }        

        if (intent.getDataString().equals("batteryfu://disabled")) {
          setImage(context, R.drawable.widget_icon_toggle_off);
        }        
        
        if (intent.getDataString().equals("click://icon")) {
          // change image
          setImage(context, R.drawable.widget_icon_toggle_middle);
          
          Intent active = new Intent(context, DataToggler.class);
          active.setData(Uri.parse("batteryfu://toggle"));
          context.sendBroadcast(active);        
        }

        if (intent.getDataString().equals("click://text")) {          
          // show the preferences screen
          Intent active = new Intent(context, ModeSelect.class);
          active.setAction(Intent.ACTION_VIEW);
          active.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
          context.startActivity(active);
        }
      } else {
        // maybe the launcher is telling us to update (e.g. orientation change)
        AppWidgetManager.getInstance(context).updateAppWidget(
            new ComponentName(context, ToggleWidget.class)
            , remoteViews);
      }
    }        
  }

  /**
   * Change the icon image
   * @param context
   * @param imageId
   */
  private void setImage(Context context, int imageId) {
    RemoteViews remoteViews = new RemoteViews(context.getPackageName(), R.layout.widget);
    remoteViews.setImageViewResource(R.id.widget_icon, imageId);
    AppWidgetManager.getInstance(context).updateAppWidget(
        new ComponentName(context, ToggleWidget.class)
        , remoteViews);
  }
}

Java Source Code List

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