33     private static AlertDialog sDisplayMessageDialog = null;  field in PhoneDisplayMessage
64         if (sDisplayMessageDialog != null) {  in displayMessage()
65             sDisplayMessageDialog.dismiss();  in displayMessage()
71         sDisplayMessageDialog = new AlertDialog.Builder(context)  in displayMessage()
78         sDisplayMessageDialog.getWindow().setType(  in displayMessage()
80         sDisplayMessageDialog.getWindow().addFlags(  in displayMessage()
85         sDisplayMessageDialog.show();  in displayMessage()
94         if (sDisplayMessageDialog != null) {  in dismissMessage()
95             sDisplayMessageDialog.getWindow().clearFlags(  in dismissMessage()
98             sDisplayMessageDialog.dismiss();  in dismissMessage()
99             sDisplayMessageDialog = null;  in dismissMessage()