How to prevent theme.dialog from acting to provide external contact?

I have an Activity using the Theme.Dialog style. This is the popup for my quiz, for the wrong answer. But I have a problem. The user can click outside the popup dialog and click on the next question. How can this be prevented? I have disabled the back button and it works fine. In addition, when the user clicks on or outside the pop-up window, it starts counting down the on-time again. My popup stays on for 2500ms. How to prevent this also?

So, basically I don't want to allow click outside of my popup and don't want to reset the delay time when someone taps on the screen.

Here is the popup code:

public class WrongAnswer extends Activity{
    MediaPlayer sound;
    TextView wrong;
    String correctAnswer, correct;

    public final int delayTime = 2500;
    private Handler myHandler = new Handler();

    public void onUserInteraction(){
        myHandler.removeCallbacks(closePopup);
        myHandler.postDelayed(closePopup, delayTime);
    }
    private Runnable zatvoriPopup = new Runnable(){
        public void run(){
            finish();
        }
    };

    @Override
    public void onBackPressed() {

    }

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        // TODO Auto-generated method stub
        super.onCreate(savedInstanceState);


        setContentView(R.layout.wrong);


        Bundle extras = getIntent().getExtras(); 
        if(extras !=null) {
           tacno = extras.getString("correctAnswer");
        }

        inicijalizujVarijable();

        myHandler.postDelayed(closePopup, delayTime);


            }

    private void inicijalizujVarijable() {
        wrong = (TextView) findViewById(R.id.tvWrong);
        wrong.setText("Wrong answer!\nCorrect answer is:\n\n" + correct);
    }
    }

      

        
        
        
      

    

My activity in manifest:

<activity
            android:name="com.myquiz.myquizgame.WrongAnswer"
            android:label="@string/app_name"
            android:theme="@android:style/Theme.Dialog"
            android:screenOrientation="portrait"
             >
            <intent-filter>
                <action android:name="com.myquiz.myquizgame.WRONGANSWER" />

                <category android:name="android.intent.category.DEFAULT" />
            </intent-filter>
        </activity>