button in widget

package com.example.widgettest;

import java.text.SimpleDateFormat;
import java.util.Date;

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

public class MyWidget extends AppWidgetProvider {
    @Override
    public void onUpdate(Context context,AppWidgetManager appWidgetManager, int[] appWidgetIds) {
        //RemoteViews updateViews = new RemoteViews( context.getPackageName(), R.layout.main);
        //updateViews.setTextViewText(R.id.now,  new SimpleDateFormat( "yyyy/MM/dd HH:mm:ss" ).format( new Date() ) );
        //appWidgetManager.updateAppWidget(appWidgetIds, updateViews);
       
        Intent startServiceInten=new Intent("com.example.widgettest.sv");
        PendingIntent Pintent= PendingIntent.getService(context, 0, startServiceInten, 0);
        RemoteViews views= new RemoteViews(context.getPackageName(), R.layout.main);
        views.setOnClickPendingIntent(R.id.imageButton1, Pintent);
        appWidgetManager.updateAppWidget(appWidgetIds, views);
    }
}