AppWidget.java

package apt.tutorial;

import android.appwidget.AppWidgetManager;
import android.appwidget.AppWidgetProvider;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.database.Cursor;
import android.widget.RemoteViews;
import android.database.sqlite.SQLiteDatabase;

public class AppWidget extends AppWidgetProvider {
	@Override
	public void onUpdate(Context ctxt,
												AppWidgetManager mgr,
												int[] appWidgetIds) {
		ctxt.startService(new Intent(ctxt, WidgetService.class));
	}
}