update widget

package com.example.widgettest;

import android.app.Service;
import android.appwidget.AppWidgetManager;
import android.content.ComponentName;
import android.content.Intent;
import android.os.IBinder;
import android.text.format.Time;
import android.widget.RemoteViews;
import android.widget.Toast;

public class sv extends Service{

@Override
public IBinder onBind(Intent intent) {
// TODO Auto-generated method stub
return null;
}

@Override
public void onCreate() {
 super.onCreate();

 Time mTime=new Time(); // or Time t=new Time("GMT+8");
  mTime.setToNow(); // 取得系统时间。
      int year = mTime.year;
      int month = mTime.month;
      int date = mTime.monthDay;
      int hour =mTime.hour;    // 0-23
      int minute = mTime.minute;
      int second =mTime.second;

 Toast.makeText(this, "Service Created", Toast.LENGTH_LONG).show();
 AppWidgetManager widget = AppWidgetManager.getInstance(this);

 RemoteViews views= new RemoteViews("com.example.widgettest.MyWidget", R.layout.main);
 views.setTextViewText(R.id.now, hour+":"+minute+":"+second );
 widget.updateAppWidget(widget.getAppWidgetIds(new ComponentName(this, MyWidget.class)), views);

 stopService(new Intent(sv.this,sv.class));
}

}