This is the code
Alert dialog box. A builder? A builder? =? New? Alert dialog box. Builder (Ben);
builder . seticon(r . drawable . IC)；
builder . settitle(" title ")；
Builder.setMessage ("prompt text");
builder . setpositivebutton(r . string . BTN _ update，？ New? OnClickListener()？ {
@ Overlay
Public? Invalid? onClick(DialogInterface？ Dialog box, int？ Which)? {
//Add button, callback event
}
);
builder . setcancelable(false)； //You cannot cancel the popup box by changing the Enter key.
AlertDialog？ Dialogue? =? builder . create()；
dialog.getWindow()。 setType(WindowManager。 layout params . TYPE _ SYSTEM _ ALERT)； //Set the popup box to global.
dialog . setcanceledontouchoutside(false)； //losing focus will not disappear
dialog . show()；