Android Dialog

http://mainia.tistory.com/555

private void DialogSimple(){
 AlertDialog.Builder alt_bld = new AlertDialog.Builder(this);
 alt_bld.setMessage("Do you want to close this window ?").setCancelable(
  false).setPositiveButton("Yes",
  new DialogInterface.OnClickListener() {
  public void onClick(DialogInterface dialog, int id) {
   // Action for 'Yes' Button
  }
  }).setNegativeButton("No",
  new DialogInterface.OnClickListener() {
  public void onClick(DialogInterface dialog, int id) {
   // Action for 'NO' Button
   dialog.cancel();
  }
  });
 AlertDialog alert = alt_bld.create();
 // Title for AlertDialog
 alert.setTitle("Title");
 // Icon for AlertDialog
 alert.setIcon(R.drawable.icon);
 alert.show();
}