我想在特定条件后显示一个对话框,但现在对于演示,我想从扩展Application的类中显示一个对话框。这是我的代码publicclassControlApplicationextendsApplication{@Override{super.onCreate();finalDialogdialog=newDialog(getApplicationContext());dialog.setTitle("zakasssssssssssssssssss");dialog.setCancelable(false);dialog.show();}}但在dialog.show()我收到类似的错误A