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Java Android:AsyncTask:调用onPostExecute后执行时间长_Java_Android_Multithreading_Android Asynctask - Fatal编程技术网

Java Android:AsyncTask:调用onPostExecute后执行时间长

Java Android:AsyncTask:调用onPostExecute后执行时间长,java,android,multithreading,android-asynctask,Java,Android,Multithreading,Android Asynctask,我有一个简单的Android异步任务,背景动作很长: HANDLER.post(new Runnable() { @Override public void run() { new AsyncTask<Context, Integer, GameTypeAdapter>() { @Override protected Game

我有一个简单的Android异步任务,背景动作很长:

HANDLER.post(new Runnable() {
            @Override
            public void run() {
                new AsyncTask<Context, Integer, GameTypeAdapter>() {
                    @Override
                    protected GameTypeAdapter doInBackground(Context... contexts) {
                        return new GameTypeAdapter(contexts[0]);//Long database action
                    }

                    @Override
                    protected void onPreExecute() {
                        pbWaiter.setVisible(View.VISIBLE);
                    }

                    @Override
                    protected void onPostExecute(GameTypeAdapter gameTypeAdapter) {
                        txtGameName.setText(settings.getGameName());

                        cmbType.setAdapter(gameTypeAdapter);
                        if (settings.getGamePlugin() != null) {
                            cmbType.setSelection(((GameTypeAdapter) cmbType.getAdapter()).getItemPosition(settings.getGamePlugin()));
                        }

                        sldJoker.setProgress(settings.getJoker());

                        pbWaiter.setVisible(View.INVISIBLE);
                    }
                }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, getActivity());
            }
        });
如果线程调用了onPostExecute方法,并且调用了最后一行hideWaiter,则在调试模式下1/10秒半后,UI调用的执行可见。此时,UI挂起,服务员动画停止

为什么UI线程停止


谢谢。

为什么要在Runnable中创建和运行异步任务?以前从没见过这个。从UI线程启动异步任务。尝试sldJoker.setProgresssettings.getJoker;在RunnoiThread中。。。我知道onPostExecute是在UI线程本身上运行的,但如果您看到延迟,这可能是值得的trying@greenapps:请在代码中显示:我从处理程序运行进入UI线程,因为我不在其中。Mmmm。。有趣的但是什么是pbwater类型?如果线程调用了onPostExecute方法?什么意思?你在叫它吗?您不应该调用该方法,因为它将由asynctask类完成。