PopIt("Exit Application", "Are you sure you want to exit?");



public void PopIt( String title, String message ){
        new AlertDialog.Builder(this)
        .setTitle( title )
        .setMessage( message )
        .setPositiveButton("YES", new OnClickListener() 
        {
            public void onClick(DialogInterface arg0, int arg1) {
                //do stuff onclick of YES
                finish();
            }
        }).setNegativeButton("NO", new OnClickListener() {
            public void onClick(DialogInterface arg0, int arg1) {
                //do stuff onclick of CANCEL
                Toast.makeText(getBaseContext(), "You touched CANCEL", Toast.LENGTH_SHORT).show();
            }
        }).show();
    }

this alert dialog gone so fast as I cant read or click on it !! why is that ?