Android在子线程里使用Toast报错Can't toast on a thread that has not called Looper.prepare() - 代码天地

Android在子线程里使用Toast报错Can't toast on a thread that has not called Looper.prepare()

其他 2020-03-29 11:37:13 阅读次数: 0

在接android SDK的时候有时候为了方便debug调试查看，通过Toast输出相关信息，

实际上这个是在子线程中输出的，在logcat里查看有如下报错java.lang.RuntimeException: Can't toast on a thread that has not called Looper.prepare()。

解决办法为先调用`Looper.prepare();`再调用`Toast.makeText().show();`最后再调用`Looper.loop();`

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