android 定时启动\取消小例子

代码如下: Intent intent = new Intent(“cn.pocketdigi.update.alarm”); intent.setClass(this, AlarmReceiver.class); PendingIntent pi=PendingIntent.getBroadcast(this, 0, intent,0); //设置一个PendingIntent对象,发送广播 AlarmManager am=(AlarmManager)getSystemService(ALARM_SERVICE); //获取AlarmManager对象 // am.set(AlarmMana