0
我对Android
很新,但在Handler
上有问题。我们可以在Android的非活动类中调用处理程序吗?
我有一个工作线程它运行在非活动类。我希望工作线程处理一些后台任务,同时我也想在非活动类上做其他工作。但是,处理程序根本不起作用。有没有其他解决方案?这里是我是如何实现:
public class NonActivity {
private WorkerThread mWorkerThread = null;
private Handler mHandler = new Handler(){
//why the message never come here?????
}
//constructor
public NonActivity()
{
//call worker thread from non-activity class
mWorkerThread = new WorkerThread();
}
}
私有类的WorkerThread继承Thread {
public void run() {
//call sendMessageToMainThread
sendMessageToMainThread();
}
private void sendMessageToMainThread() {
mHandler.sendMessage(put message here);
}
}
使用[的AsyncTask(http://developer.android.com/reference/android/os/AsyncTask.html),而不是 – hrskrs 2015-02-10 13:37:26
您可以创建一个主尺蠖的处理程序。 http://developer.android.com/reference/android/os/Looper.html#getMainLooper%28%29 Handler handler = new Handler(Looper.getMainLooper()); – Christopher 2015-02-10 13:38:34