Android Bangla Tutorial 2.39 : alertdialog in android example

source code for AlertDialogBuilder
--------------------------------------------------------------
@Override
public void onBackPressed() {

alertDialogBuilder = new AlertDialog.Builder(MainActivity.this);

//for setting title
alertDialogBuilder.setTitle("Warning");

//for setting the message
alertDialogBuilder.setMessage("Do you want to exit?");

//for setting the icon
alertDialogBuilder.setIcon(R.drawable.question);

alertDialogBuilder.setCancelable(false);

alertDialogBuilder.setPositiveButton("Yes", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
//exit
finish();
}
});

alertDialogBuilder.setNegativeButton("No", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {

dialog.cancel();

}
});

AlertDialog alertDialog = alertDialogBuilder.create();
alertDialog.show();

}

Subscribe : https://www.youtube.com/channel/UCEXwc6mNh7Lakj6lX-7a2Mg
Facebook : https://www.facebook.com/anisul2010s
Facebook page : https://www.facebook.com/studywithanis/
Android videos : https://www.youtube.com/playlist?list=PLgH5QX0i9K3p9xzYLFGdfYliIRBLVDRV5
Java Swing videos : https://www.youtube.com/playlist?list=PLgH5QX0i9K3rAHKr6IteF5kdgN6BorH9l
HSC ICT Videos : https://www.youtube.com/playlist?list=PLgH5QX0i9K3o8Y-CKhmyodbfHAc9VSVOv
C program videos : https://www.youtube.com/playlist?list=PLgH5QX0i9K3pCMBZcul1fta6UivHDbXvz
Computer networking videos : https://www.youtube.com/playlist?list=PLgH5QX0i9K3p5OI88r3ob-otmKqIm_DbS
Operating system videos : https://www.youtube.com/playlist?list=PLgH5QX0i9K3r_SuT0AnOEoElfQQPgkBIq