android 定时启动\取消

[java]
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(AlarmManager.RTC_WAKEUP, System.currentTimeMillis()+3500, pi);//只执行一次


am.setRepeating(AlarmManager.RTC_WAKEUP, System.currentTimeMillis()+3500, 10000, pi); //重复执行

        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(AlarmManager.RTC_WAKEUP, System.currentTimeMillis()+3500, pi);//只执行一次

am.setRepeating(AlarmManager.RTC_WAKEUP, System.currentTimeMillis()+3500, 10000, pi); //重复执行

[html]
<receiver android:name=".AlarmReceiver">
      <intent-filter>
         <action android:name="cn.pocketdigi.update.alarm" />
     </intent-filter>
</receiver>

[java]
public class AlarmReceiver extends BroadcastReceiver {
    private static final String TAG = "AlarmReceiver";
    @Override
    public void onReceive(Context context, Intent intent) {
        // TODO Auto-generated method stub
        Log.v(TAG, "收到广播");
//      Intent it=new Intent(context,AlarmActivity.class);
//      it.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
//      context.startActivity(it);
        //收到广播后启动Activity,简单起见，直接就跳到了设置alarm的Activity
                         //intent必须加上Intent.FLAG_ACTIVITY_NEW_TASK flag
    }
}

public class AlarmReceiver extends BroadcastReceiver {
private static final String TAG = "AlarmReceiver";
@Override
public void onReceive(Context context, Intent intent) {
  // TODO Auto-generated method stub
  Log.v(TAG, "收到广播");
//  Intent it=new Intent(context,AlarmActivity.class);
//  it.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
//  context.startActivity(it);
  //收到广播后启动Activity,简单起见，直接就跳到了设置alarm的Activity
                         //intent必须加上Intent.FLAG_ACTIVITY_NEW_TASK flag
}
}
取消方式：

另外一种intent方式

[java]
代码
    Intent intent =new Intent(Main.this, alarmreceiver.class);
    intent.setAction("repeating");
    PendingIntent sender=PendingIntent
        .getBroadcast(Main.this, 0, intent, 0);
        //开始时间
    long firstime=SystemClock.elapsedRealtime();

    AlarmManager am=(AlarmManager)getSystemService(ALARM_SERVICE);　　//5秒一个周期，不停的发送广播
    am.setRepeating(AlarmManager.ELAPSED_REALTIME_WAKEUP
            , firstime, 5*1000, sender);

代码
    Intent intent =new Intent(Main.this, alarmreceiver.class);
    intent.setAction("repeating");
    PendingIntent sender=PendingIntent
        .getBroadcast(Main.this, 0, intent, 0);
        //开始时间
    long firstime=SystemClock.elapsedRealtime();

    AlarmManager am=(AlarmManager)getSystemService(ALARM_SERVICE);　　//5秒一个周期，不停的发送广播
    am.setRepeating(AlarmManager.ELAPSED_REALTIME_WAKEUP
            , firstime, 5*1000, sender);

补充：移动开发 , Android ,