重写dialog的back按钮
dialog.setOnKeyListener(new DialogInterface.OnKeyListener() {
@Override
public
boolean onKey(DialogInterface dialog, int keyCode,
KeyEvent
event) {
if
(keyCode == KeyEvent.KEYCODE_SEARCH
||
keyCode == KeyEvent.KEYCODE_BACK) {
finish();
return
true;
}
return
false;
}
});