Unable to add window — token android.os.BinderProxy is not valid; is your activity running?

进入Activity在dialog还未来得及弹出时，立即点退出，会报这样的错误。

解决办法：

if(!((Activity) context).isFinishing())
{
    //show dialog
}

转载于:https://www.cnblogs.com/ameryzhu/p/6555620.html