按照Google关于使用Service的示例,我创建了几个类似于这样的线程。因为我正在等待回调,所以无法使用IntentService。
但是,我不知道如何终止以这种方式启动的线程。据我了解,当run()方法返回时,线程会自动终止。然而,这种类型的线程没有run方法。我的线程正在泄漏——在stopSelf()之后它们仍然活着。
但是,我不知道如何终止以这种方式启动的线程。据我了解,当run()方法返回时,线程会自动终止。然而,这种类型的线程没有run方法。我的线程正在泄漏——在stopSelf()之后它们仍然活着。
@Override
public void onCreate() {
HandlerThread thread = new HandlerThread("ServiceStartArguments",
android.os.Process.THREAD_PRIORITY_BACKGROUND);
thread.start();
HandlerThread thread2 = new HandlerThread("CallbackHandling",
android.os.Process.THREAD_PRIORITY_BACKGROUND);
thread2.start();
mServiceLooper = thread.getLooper();
mCallbackLooper = thread2.getLooper();
mServiceHandler = new MyHandler(mServiceLooper);
mCallbackHandler = new Handler(mCallbackLooper);
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
Toast.makeText(this, "service starting", Toast.LENGTH_SHORT).show();
// For each start request, send a message to start a job and deliver the
// start ID so we know which request we're stopping when we finish the job
Message msg = mServiceHandler.obtainMessage();
msg.arg1 = startId;
mServiceHandler.sendMessage(msg);
mMainThreadHandler=new Handler();
// If we get killed, after returning from here, restart
return START_STICKY;
}
private final class MyHandler extends Handler {
public MyHandler(Looper looper) {
super(looper);
}
@Override
public void handleMessage(Message msg) {
cycle();
// Stop the service using the startId, so that we don't stop
// the service in the middle of handling another job
stopSelf(msg.arg1);
}
}
protected void cycle() {
...
mCallbackHandler.post(new Runnable(){
public void run(){
goAskForSomeCallbacks();
}
});
try {
Thread.sleep(GIVE_UP_TIME);
} catch (InterruptedException e){
//The callback will interrupt this thread to stop it from waiting
Log.d(TAG,"Got early callback, stop waiting.");
}
Thread.interrupted(); //clear the interrupt
doStuff();
}