다이얼로그 메시지

    public void dialog() {
        AlertDialog.Builder builder = new AlertDialog.Builder(this);
        builder.setTitle("안내");
        builder.setMessage("종료하시겠습니까?");
        builder.setIcon(android.R.drawable.ic_dialog_alert);

        builder.setPositiveButton("예", new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {
                Toast.makeText(getApplicationContext(), "예 버튼 눌림", Toast.LENGTH_SHORT).show();
            }
        });

        builder.setNegativeButton("아니오", new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {
                Toast.makeText(getApplicationContext(), "아니오 버튼 눌림", Toast.LENGTH_SHORT).show();
            }
        });

        AlertDialog dialog = builder.create();
        dialog.show();
    }