Android service心跳实现的两种方式

这里简单介绍两种实现心跳的方式。

第一种，简单粗暴线程实现

new Thread(new Runnable() {
                @Override
                public void run() {
                    while (true) {
                        try {
                            Thread.sleep(heartTime);
                        } catch (InterruptedException e) {
//                            e.printStackTrace();
                        }
                        //业务逻辑
                    }
                }
            }).start();

第二种，闹钟+广播

    @Override
    public int onStartCommand(Intent intent, int flags, int startId) {

        if (count != 0) {
            heartReq();
        } else {
            postReceiver("监听服务启动，开启心跳");
        }
        count++;
        postReceiver("心跳次数："+count);
        postReceiver("心跳间隔时间："+(heartTime/1000) +"秒");
        Global.debug("心跳次数====="+count+"======");
        long triggerAtTime = SystemClock.elapsedRealtime() + heartTime;
        Intent i = new Intent(this, HeartReceiver.class);
        mPi = PendingIntent.getBroadcast(this, 0, i, 0);
//        mManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, triggerAtTime, mPi);
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
                mManager.setExactAndAllowWhileIdle(AlarmManager.ELAPSED_REALTIME_WAKEUP, triggerAtTime, mPi);
            } else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
                mManager.setExact(AlarmManager.ELAPSED_REALTIME_WAKEUP, triggerAtTime, mPi);
            } else {
                mManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, triggerAtTime, mPi);
            }


        return START_STICKY;
    }

广播：

public class HeartReceiver extends BroadcastReceiver {

    @Override
    public void onReceive(Context context, Intent intent) {
        String action = intent.getAction();

        Global.debug("心跳广播接收=====");
        Intent intent2 = new Intent(context, ListenService.class);
        context.startService(intent2);

    }

}

最后

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