Just a backup commit.

app/build.gradle

@@ -32,5 +32,6 @@ dependencies {
     implementation "com.google.code.gson:gson:2.8.2"
     annotationProcessor "android.arch.lifecycle:compiler:$lifecycle_version"
     annotationProcessor "android.arch.persistence.room:compiler:$lifecycle_version"
-    compile 'com.readystatesoftware.sqliteasset:sqliteassethelper:+'
+
 }
+

app/src/main/java/com/example/multiplechoice/Answer.java

@@ -0,0 +1,48 @@
+package com.example.multiplechoice;
+
+public class Answer {
+    private static String answer1;
+    private static String answer2;
+    private static String answer3;
+    private static String answer4;
+    private static String correctAnswer;
+
+
+    public Answer(String answer1, String answer2, String answer3, String answer4, String correctAnswer) {
+        this.answer1 = answer1;
+        this.answer2 = answer2;
+        this.answer3 = answer3;
+        this.answer4 = answer4;
+        this.correctAnswer = correctAnswer;
+    }
+
+    public static String getAnswer1() {
+        return answer1;
+    }
+
+    public static String getAnswer2() {
+        return answer2;
+    }
+
+    public static String getAnswer3() {
+        return answer3;
+    }
+
+    public static String getAnswer4() {
+        return answer4;
+    }
+
+    public static String getCorrectAnswer() {
+        return correctAnswer;
+    }
+
+
+    public boolean isNull(String answer4){
+        boolean check = false;
+        if(answer4 == null){
+            check = true;
+        }
+        return check;
+    }
+
+}

app/src/main/java/com/example/multiplechoice/MainActivity.java

@@ -3,47 +3,125 @@
 import androidx.appcompat.app.AppCompatActivity;
 import android.os.AsyncTask;
 import android.os.Bundle;
+import android.view.View;
 import android.widget.Button;
 import android.widget.TextView;
 import org.json.JSONException;
+import org.w3c.dom.Text;
+
 import java.io.IOException;
 import java.util.Collections;
 import java.util.List;
 import java.util.concurrent.ExecutionException;
 
-public class MainActivity extends AppCompatActivity {
+public class MainActivity extends AppCompatActivity implements View.OnClickListener {
 
     FetchQ fetchq = new FetchQ();
     List<Question> questions = null;
-    String correctAnswer = null;
+    String correctAnswer;
+    private Bundle savedInstanceState;
+    int iterator = 0;
+    Question question;
 
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
+        this.savedInstanceState = savedInstanceState;
         super.onCreate(savedInstanceState);
+
         setContentView(R.layout.activity_main);
-        TextView tQuestion = findViewById(R.id.textViewQustion);
-        Button option1 = findViewById(R.id.bOption1);
-        Button option2 = findViewById(R.id.bOption2);
-        Button option3 = findViewById(R.id.bOption3);
-        Button option4 = findViewById(R.id.bOption4);
 
+        TextView tQuestion = findViewById(R.id.textViewQuestion);
+        Button answer1 = findViewById(R.id.bAnswer1);
+        Button answer2 = findViewById(R.id.bAnswer2);
+        Button answer3 = findViewById(R.id.bAnswer3);
+        Button answer4 = findViewById(R.id.bAnswer4);
+
+        answer1.setOnClickListener(this);
+        answer2.setOnClickListener(this);
+        answer3.setOnClickListener(this);
+        answer4.setOnClickListener(this);
+
+
+
+        //Retrieves all the questions from the database and shuffles it to create a random order of presentation for the questions
         try {
             questions = fetchq.execute().get();
-            System.out.println(questions);
             Collections.shuffle(questions);
-        } catch (ExecutionException e) {
-            e.printStackTrace();
-        } catch (InterruptedException e) {
+        } catch (ExecutionException | InterruptedException e) {
             e.printStackTrace();
         }
+
+        this.question = loadQuestionElements(questions, iterator, tQuestion, answer1, answer2, answer3, answer4);
+        this.correctAnswer = question.getCorrectAnswer();
+
+    }
+
+
+    public Question loadQuestionElements(List<Question> questions, int iterator, TextView question, Button option1, Button option2, Button option3, Button option4){
+        Question q = questions.get(iterator);
+        question.setText(q.getQuestion());
+        option1.setText(q.getOption1());
+        option2.setText(q.getOption2());
+        option3.setText(q.getOption3());
+        option4.setText(q.getOption4());
+        this.correctAnswer = q.getCorrectAnswer();
+        this.iterator++;
+        return q;
     }
 
+    @Override
+    public void onClick(View v) {
+        Button button = (Button) v;
+
+        switch(v.getId()){
+            case R.id.bAnswer1:
+                if (this.question.isCorrect(button.getText().toString(),this.correctAnswer)){
+                    button.setBackgroundColor(0xFF4CAF50);//Set button background color to green
+                }else{
+                    button.setBackgroundColor(0xFFF44336);//Set button background color to red
+                }
+
+
+
+
+            case R.id.bAnswer2:
+                if (this.question.isCorrect(button.getText().toString(),this.correctAnswer)){
+                    button.setBackgroundColor(0xFF4CAF50);//Set button background color to green
+                }else{
+                    button.setBackgroundColor(0xFFF44336);//Set button background color to red
+                }
+
+
 
 
+            case R.id.bAnswer3:
+                if (this.question.isCorrect(button.getText().toString(),this.correctAnswer)){
+                    button.setBackgroundColor(0xFF4CAF50);//Set button background color to green
+                }else{
+                    button.setBackgroundColor(0xFFF44336);//Set button background color to red
+                }
 
 
 
+            case R.id.bAnswer4:
+                if (this.question.isCorrect(button.getText().toString(),this.correctAnswer)){
+                    button.setBackgroundColor(0xFF4CAF50);//Set button background color to green
+                }else{
+                    button.setBackgroundColor(0xFFF44336);//Set button background color to red
+                }
+
+
+
+
+
+
+
+        }
+
+    }
+
+
     private class FetchQ extends AsyncTask<Void, Void, List<Question>> {
 
         List<Question> questions;
@@ -52,23 +130,24 @@ private class FetchQ extends AsyncTask<Void, Void, List<Question>> {
         @Override
         protected List<Question> doInBackground(Void... voids) {
             try {
-                this.questions =  Question.fetchQuestions();
-            } catch (JSONException e) {
-                e.printStackTrace();
-            } catch (IOException e) {
+                this.questions = Question.fetchQuestions();
+            } catch (JSONException | IOException e) {
                 e.printStackTrace();
             }
-            return  questions;
+            return questions;
         }
-    }
 
-    public void setList(List<Question> questions){
-        this.questions=questions;
     }
 
 
+
+
+
+
+
 }
 
 
 
 
+

app/src/main/java/com/example/multiplechoice/Question.java

@@ -40,6 +40,7 @@ public Question (int i, String q, String o1, String o2, String o3, String o4, St
     public String getQuestion() {
         return question;
     }
+
     public int getId() {
         return id;
     }
@@ -64,9 +65,21 @@ public String getCorrectAnswer() {
         return correctAnswer;
     }
 
+    public boolean isCorrect(String answer,String correctAnswer){
+        boolean value;
+        if (answer.equals(correctAnswer)){
+            value = true;
+        }else{
+            value = false;
+        }
+        return value;
+    }
+
+
+
     public static List<Question> fetchQuestions () throws JSONException, IOException {
 
-        HttpURLConnection connection = (HttpURLConnection) new URL("http://localhost/icd_tei_ser/script/question/get_questions.php").openConnection();
+        HttpURLConnection connection = (HttpURLConnection) new URL("http://192.168.1.6/icd_tei_ser/script/question/get_questions.php").openConnection();
         connection.setRequestMethod("GET");
         connection.setRequestProperty("Content-length", "0");
         connection.setUseCaches(false);
@@ -107,6 +120,8 @@ public static List<Question> fetchQuestions () throws JSONException, IOException
 
     }
 
+
+
 }
 
 

app/src/main/java/com/example/multiplechoice/Timer.java

@@ -0,0 +1,19 @@
+package com.example.multiplechoice;
+
+import android.os.CountDownTimer;
+
+public class Timer extends CountDownTimer {
+    public Timer(long millisInFuture, long countDownInterval) {
+        super(millisInFuture, countDownInterval);
+    }
+
+    @Override
+    public void onTick(long millisUntilFinished) {
+
+    }
+
+    @Override
+    public void onFinish() {
+
+    }
+}