android Toast提示异常:java.lang.RuntimeException: Can't create handler inside thread that has not called
Toast只能在UI线程弹出,解决此问题可以在Toast前后加两行代码,如下所示:
Looper.prepare(); Toast.makeText(getApplicationContext(),"操作失败:"+r.Message,Toast.LENGTH_LONG).show(); Looper.loop();