本文介绍了如何在AsyncTask中举杯，提示我使用Looper的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
我有 AsyncTask 在后台完成的任务.在某些时候，我需要发出一个 Toast 来表示某事已完成.
I have tasks completed by AsyncTask in background. At some point I need to issue a Toast that something is completed.
我尝试过但失败了，因为Caused by: java.lang.RuntimeException: Can't create handler inside the thread that has not Called Looper.prepare()
I've tried and I failed becauseCaused by: java.lang.RuntimeException: Can't create handler inside thread that has not called Looper.prepare()
我该怎么做?
推荐答案
onPostExecute - 在 UI 线程上执行或者publishProgress();在你的 doinbackground 和
onPostExecute - executes on UI threador publishProgress(); in your doinbackground and
protected void onProgressUpdate(Integer... progress) {
}
http://developer.android.com/reference/android/os/异步任务.html
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