webview_flutter version : 0.3.22+1 Mauiiementioned this issueJul 22, 2020 [webview]Attempt to read from field 'android.view.WindowManager$LayoutParams android.view.ViewRootImpl.mWindowAttributes' on a null object reference#58229 Closed
昨天不知道看了个什么东东之后就看到关于LayoutInflater的用法,于是想try一下,也就是在Button上点击一下弹出一个对话框,结果遇到一个问题,android.view.WindowManager$BadTokenException: Unable to add window 报了这个错。 private void showCustomDialog() { // TODO Auto-generated method stub AlertDialog.Builder ...