Android: “BadTokenException: Unable to add window; is your activity running?” at showing dialog in PreferenceActivity

Question

I\'d like to ask for some help: In my app, I have only one activity, a PreferenceActivity (don\'t need other, it\'s just a simple background-sync app, so the

Answer 1

For me this solved the problem.. checking if the dialog is null or not showing and if yes then create again.

    // create alert dialog
    if (enableNetworkDialog == null || !enableNetworkDialog.isShowing())
        enableNetworkDialog = alertDialogBuilder.create();
    if (context instanceof AppCompatActivity && !((AppCompatActivity) context).isFinishing())
        enableNetworkDialog.show();