QuizApp

MainActivity.java

package com.example.android.quizz;

import android.graphics.Color;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.RadioGroup;
import android.widget.TextView;

public class MainActivity extends AppCompatActivity {


    int score = 0;
    int fault = 0;

    private RadioGroup radioGroupJourney;
    private RadioGroup radioGroupTechnical;

    private CheckBox chkBxNile;
    private CheckBox chkBxEgyptRiver;
    private CheckBox chkBxNepal;
    private CheckBox chkBxAfrica;
    private CheckBox chkBxEurope;
    private CheckBox chkBxMiddleEast;
    private CheckBox chkBxLearning;
    private CheckBox chkBxEnjoying;
    private CheckBox chkBxPlayFootball;
    private CompoundButton.OnCheckedChangeListener chkCheckedListner;


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        setupUI();
    }

    public void setupUI() {
        chkBxNile = (CheckBox) findViewById(R.id.nile);
        chkBxEgyptRiver = (CheckBox) findViewById(R.id.egyptriver);
        chkBxNepal = (CheckBox) findViewById(R.id.nepal);

        chkBxAfrica = (CheckBox) findViewById(R.id.africa);
        chkBxEurope = (CheckBox) findViewById(R.id.europe);
        chkBxMiddleEast = (CheckBox) findViewById(R.id.middleeast);

        chkBxLearning = (CheckBox) findViewById(R.id.learning);
        chkBxEnjoying = (CheckBox) findViewById(R.id.enjoying);
        chkBxPlayFootball = (CheckBox) findViewById(R.id.playingfootball);

        radioGroupJourney = (RadioGroup) findViewById(R.id.journey);
        radioGroupTechnical = (RadioGroup) findViewById(R.id.technical);

        setListeners();
    }


    public void setListeners() {

        chkCheckedListner = new CompoundButton.OnCheckedChangeListener() {
            @Override
            public void onCheckedChanged(CompoundButton selectedcBox, boolean isChecked) {
                // Check which checkbox was clicked
                switch (selectedcBox.getId()) {
                    case R.id.nile:
                        if (isChecked) {
                            score += 1;
                        }
                        break;
                    case R.id.egyptriver:
                        if (isChecked) {
                            fault += 1;
                        }
                        break;
                    case R.id.nepal:
                        if (isChecked) {
                            fault += 1;
                        }
                        break;


                    case R.id.africa:
                        if (isChecked) {
                            score += 1;
                        }
                        break;
                    case R.id.europe:
                        if (isChecked) {
                            fault += 1;
                        }
                        break;
                    case R.id.middleeast:
                        if (isChecked) {
                            fault += 1;
                        }
                        break;


                    case R.id.learning:
                        if (isChecked) {
                            score += 1;
                        }
                        break;

                    case R.id.enjoying:
                        if (isChecked) {
                            fault += 1;
                        }
                        break;
                    case R.id.playingfootball:
                        if (isChecked) {
                            fault += 1;
                        }
                        break;
                }
            }
        };

        chkBxNile.setOnCheckedChangeListener(chkCheckedListner);
        chkBxEgyptRiver.setOnCheckedChangeListener(chkCheckedListner);
        chkBxNepal.setOnCheckedChangeListener(chkCheckedListner);

        chkBxAfrica.setOnCheckedChangeListener(chkCheckedListner);
        chkBxEurope.setOnCheckedChangeListener(chkCheckedListner);
        chkBxMiddleEast.setOnCheckedChangeListener(chkCheckedListner);

        chkBxLearning.setOnCheckedChangeListener(chkCheckedListner);
        chkBxEnjoying.setOnCheckedChangeListener(chkCheckedListner);
        chkBxPlayFootball.setOnCheckedChangeListener(chkCheckedListner);

        RadioGroup.OnCheckedChangeListener radioCheckChangeListener = new RadioGroup.OnCheckedChangeListener() {
            @Override
            public void onCheckedChanged(RadioGroup radioGroup, int radioButtonId) {
                switch (radioGroup.getId()) {
                    case R.id.journey:
                        if (R.id.radio_yes == radioButtonId) {
                            score += 1;
                        }

                        if (R.id.radio_no == radioButtonId) {
                            fault += 1;
                        }
                        break;
                    case R.id.technical:
                        if (R.id.radio_pirates == radioButtonId) {
                            score += 1;
                        }

                        if (R.id.radio_ninjas == radioButtonId) {
                            fault += 1;
                        }
                        break;
                }
            }
        };

        radioGroupTechnical.setOnCheckedChangeListener(radioCheckChangeListener);
        radioGroupJourney.setOnCheckedChangeListener(radioCheckChangeListener);
    }


    public void display(String message) {

        TextView ScoreView = (TextView) findViewById(R.id.socre_view);
        ScoreView.setText(message);
        ScoreView.setHighlightColor(Color.YELLOW);
    }

    public void submit(View view) {
        display("the score is" + score + "\n the fualts is " + fault);
    }

    public void reset(View view) {
        // ToDo: You might want to rest the view too
        score = 0;
        fault = 0;

        display("the score is" + score + "\n the fualts is " + fault);
    }
}