Android Open Source - SysAdmin-Nagios-Client Sys Admin Widget Provider

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License

The source code is released under:

Apache License

Java Source Code

package com.SysAdmin;
/*w  w w. ja va 2  s.  co m*/
// android
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.net.Uri;
import android.widget.RemoteViews;

/**
 * Broadcast receiver, receives intent concerning the widget.
 * 
 * @author Lukas Bernreiter
 * @version 0.7, 14/03/2012
 * @since 0.1
 */
public class SysAdminWidgetProvider extends AppWidgetProvider {
  
  public static final String UPDATE_ACTION = "com.SysAdmin.APPWIDGET_UPDATE";

  @Override
    public void onReceive(Context context, Intent intent) {
       
        final String action = intent.getAction();
        
        if (UPDATE_ACTION.equals(action)) {
            AppWidgetManager appWidgetManager = AppWidgetManager.getInstance(context);
            ComponentName componentName = new ComponentName(context, SysAdminWidgetProvider.class);
            
            this.performUpdate(context, appWidgetManager, appWidgetManager.getAppWidgetIds(getComponentName(context)));
            
            appWidgetManager.notifyAppWidgetViewDataChanged(
                appWidgetManager.getAppWidgetIds(componentName), R.id.listView_Status_List);
        } 
        else
          super.onReceive(context, intent);
    }
   
  private static ComponentName getComponentName(Context context) 
  {
          return new ComponentName(context, SysAdminWidgetProvider.class);
  }
    
  @Override
    public void onUpdate(Context context, AppWidgetManager mngr, int[] ids) {
        this.performUpdate(context, mngr, ids);
    }

    @Override
    public void onDeleted(Context context, int[] appWidgetIds) {
        super.onDeleted(context, appWidgetIds);
    }

    @Override
    public void onDisabled(Context context) {
        super.onDisabled(context);
    }
    
    private void performUpdate(Context _context, AppWidgetManager appWidgetManager, int[] appWidgetIds) 
    {
  
    for (int widgetId : appWidgetIds) 
    {
        final Intent intent = new Intent(_context, UpdateService.class);
      intent.setData(Uri.parse(intent.toUri(Intent.URI_INTENT_SCHEME)));
      intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, appWidgetIds);
      
      final RemoteViews rViews = new RemoteViews(_context.getPackageName(), R.layout.widget_layout);
      rViews.setRemoteAdapter(widgetId, R.id.listView_Status_List, intent);
      rViews.setEmptyView(R.id.listView_Status_List, R.id.empty_view);            
      
      // create click event for the refresh button
      final Intent refreshIntent = new Intent(_context, SysAdminWidgetProvider.class);
      refreshIntent.setAction(SysAdminWidgetProvider.UPDATE_ACTION);
      final PendingIntent refreshPendingIntent = PendingIntent.getBroadcast(_context,
          0, refreshIntent, PendingIntent.FLAG_UPDATE_CURRENT);
      
      // set click event
      rViews.setOnClickPendingIntent(R.id.imageButton_Refresh, refreshPendingIntent);
      
      appWidgetManager.updateAppWidget(widgetId, rViews);
    }
    }    
  
}

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