Create Alert Dialog in Android

public void showAlert(){

   AlertDialog alertDialog = new AlertDialog.Builder(context).create();

   alertDialog.setTitle("Title");
   alertDialog.setMessage("Put Hear your Message");
   alertDialog.setCancelable(false);
   alertDialog.setButton(AlertDialog.BUTTON_NEUTRAL, "OK",
        new DialogInterface.OnClickListener() {
            public void onClick(DialogInterface dialog, int which) {
                dialog.dismiss();
            }
        });
   alertDialog.show();

}