SimpleWidgetAppWidgetProvider.java

package com.rakesh.simplewidget;
import android.appwidget.AppWidgetManager;
import android.appwidget.AppWidgetProvider;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;


public class SimpleWidgetAppWidgetProvider extends AppWidgetProvider {

	public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {

		final int N = appWidgetIds.length;
		ComponentName thisWidget = new ComponentName(context,
				SimpleWidgetAppWidgetProvider.class);
		int[] allWidgetIds = appWidgetManager.getAppWidgetIds(thisWidget);

		// Build the intent to call the service
		Intent intent = new Intent(context.getApplicationContext(),
				UpdateWidgetService.class);
		intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, allWidgetIds);

		// Update the widgets via the service
		context.startService(intent);
	}
}