java 警报对话框

Posted 2021-05-07

new AlertDialog.Builder(getActivity())
        .setTitle("Connection Error")
        .setMessage("You need Internet Connection to use the app")
        .setCancelable(false)
        .setPositiveButton("Try Again", new DialogInterface.OnClickListener() {
             @Override
              public void onClick(DialogInterface dialogInterface, int i) {
                  // Do something
               }
        }).create().show();