我是靠谱客的博主 殷勤朋友,这篇文章主要介绍android录像时报fatal exception: main,按照视频中代码,出现FATAL Exception :AsyncTask #1,现在分享给大家,希望可以做个参考。

#1楼  @极客学院-Ukey 我也是按照教程中的代码,也崩溃,,,下面是报的错   请问老师是什么原因

10-23 11:55:49.277    4873-4896/com.wk.myapplication E/AndroidRuntime﹕ FATAL EXCEPTION: AsyncTask #4

java.lang.RuntimeException: An error occured while executing doInBackground()

at android.os.AsyncTask$3.done(AsyncTask.java:299)

at java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:352)

at java.util.concurrent.FutureTask.setException(FutureTask.java:219)

at java.util.concurrent.FutureTask.run(FutureTask.java:239)

at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:230)

at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1080)

at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:573)

at java.lang.Thread.run(Thread.java:856)

Caused by: java.lang.RuntimeException: Can't create handler inside thread that has not called Looper.prepare()

at android.os.Handler.(Handler.java:197)

at android.os.Handler.(Handler.java:111)

at android.widget.Toast$TN.(Toast.java:324)

at android.widget.Toast.(Toast.java:91)

at android.widget.Toast.makeText(Toast.java:238)

at com.wk.myapplication.MainActivity$3.doInBackground(MainActivity.java:79)

at com.wk.myapplication.MainActivity$3.doInBackground(MainActivity.java:67)

at android.os.AsyncTask$2.call(AsyncTask.java:287)

at java.util.concurrent.FutureTask.run(FutureTask.java:234)

at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:230)

at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1080)

at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:573)

at java.lang.Thread.run(Thread.java:856)

最后

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