Quiz part completed 50%

app/src/main/java/com/example/alzapp/QuizDbHelper.java

@@ -8,12 +8,13 @@ import android.database.sqlite.SQLiteOpenHelper;
 
 import com.example.alzapp.QuizContract.* ;
 
+
 import java.util.ArrayList;
 import java.util.List;
 
-public class QuizDbHelper extends SQLiteOpenHelper {
 
-    private static final String DATABASE_NAME = "Quiz.db";
+public class QuizDbHelper extends SQLiteOpenHelper {
+    private static final String DATABASE_NAME = "MyAwesomeQuiz.db";
     private static final int DATABASE_VERSION = 1;
 
     private SQLiteDatabase db;
@@ -24,7 +25,6 @@ public class QuizDbHelper extends SQLiteOpenHelper {
 
     @Override
     public void onCreate(SQLiteDatabase db) {
-
         this.db = db;
 
         final String SQL_CREATE_QUESTIONS_TABLE = "CREATE TABLE " +
@@ -38,9 +38,7 @@ public class QuizDbHelper extends SQLiteOpenHelper {
                 ")";
 
         db.execSQL(SQL_CREATE_QUESTIONS_TABLE);
-
         fillQuestionsTable();
-
     }
 
     @Override
@@ -52,35 +50,26 @@ public class QuizDbHelper extends SQLiteOpenHelper {
     private void fillQuestionsTable() {
         Question q1 = new Question("A is correct", "A", "B", "C", 1);
         addQuestion(q1);
-
         Question q2 = new Question("B is correct", "A", "B", "C", 2);
         addQuestion(q2);
-
         Question q3 = new Question("C is correct", "A", "B", "C", 3);
         addQuestion(q3);
-
         Question q4 = new Question("A is correct again", "A", "B", "C", 1);
         addQuestion(q4);
-
         Question q5 = new Question("B is correct again", "A", "B", "C", 2);
         addQuestion(q5);
-
     }
 
     private void addQuestion(Question question) {
         ContentValues cv = new ContentValues();
         cv.put(QuestionsTable.COLUMN_QUESTION, question.getQuestion());
         cv.put(QuestionsTable.COLUMN_OPTION1, question.getOption1());
-        cv.put(QuestionsTable.COLUMN_OPTION1, question.getOption1());
         cv.put(QuestionsTable.COLUMN_OPTION2, question.getOption2());
         cv.put(QuestionsTable.COLUMN_OPTION3, question.getOption3());
         cv.put(QuestionsTable.COLUMN_ANSWER_NR, question.getAnswerNr());
-
         db.insert(QuestionsTable.TABLE_NAME, null, cv);
-
     }
 
-
     public List<Question> getAllQuestions() {
         List<Question> questionList = new ArrayList<>();
         db = getReadableDatabase();
@@ -94,6 +83,7 @@ public class QuizDbHelper extends SQLiteOpenHelper {
                 question.setOption2(c.getString(c.getColumnIndex(QuestionsTable.COLUMN_OPTION2)));
                 question.setOption3(c.getString(c.getColumnIndex(QuestionsTable.COLUMN_OPTION3)));
                 question.setAnswerNr(c.getInt(c.getColumnIndex(QuestionsTable.COLUMN_ANSWER_NR)));
+                questionList.add(question);
             } while (c.moveToNext());
         }
 

app/src/main/java/com/example/alzapp/QuizQuestionPage.java

@@ -1,19 +1,20 @@
 package com.example.alzapp;
 
 import android.content.res.ColorStateList;
+import android.graphics.Color;
 import android.os.Bundle;
+import android.view.View;
 import android.widget.Button;
 import android.widget.RadioButton;
 import android.widget.RadioGroup;
 import android.widget.TextView;
-
+import android.widget.Toast;
 import androidx.appcompat.app.AppCompatActivity;
 
 import java.util.Collections;
 import java.util.List;
 
 public class QuizQuestionPage extends AppCompatActivity {
-
     private TextView textViewQuestion;
     private TextView textViewScore;
     private TextView textViewQuestionCount;
@@ -26,7 +27,6 @@ public class QuizQuestionPage extends AppCompatActivity {
 
     private ColorStateList textColorDefaultRb;
 
-
     private List<Question> questionList;
     private int questionCounter;
     private int questionCountTotal;
@@ -50,6 +50,7 @@ public class QuizQuestionPage extends AppCompatActivity {
         rb3 = findViewById(R.id.radioButton32);
         buttonConfirmNext = findViewById(R.id.quiz_confirm_next);
 
+
         textColorDefaultRb = rb1.getTextColors();
 
         QuizDbHelper dbHelper = new QuizDbHelper(this);
@@ -59,6 +60,20 @@ public class QuizQuestionPage extends AppCompatActivity {
 
         showNextQuestion();
 
+        buttonConfirmNext.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                if (!answered) {
+                    if (rb1.isChecked() || rb2.isChecked() || rb3.isChecked()) {
+                        checkAnswer();
+                    } else {
+                        Toast.makeText(QuizQuestionPage.this, "Please select an answer", Toast.LENGTH_SHORT).show();
+                    }
+                } else {
+                    showNextQuestion();
+                }
+            }
+        });
     }
 
     private void showNextQuestion() {
@@ -79,20 +94,53 @@ public class QuizQuestionPage extends AppCompatActivity {
             textViewQuestionCount.setText("Question: " + questionCounter + "/" + questionCountTotal);
             answered = false;
             buttonConfirmNext.setText("Confirm");
+        } else {
+            finishQuiz();
+        }
     }
 
-            else {
+    private void checkAnswer() {
-             finishQuiz();
+        answered = true;
+
+        RadioButton rbSelected = findViewById(rbGroup.getCheckedRadioButtonId());
+        int answerNr = rbGroup.indexOfChild(rbSelected) + 1;
+
+        if (answerNr == currentQuestion.getAnswerNr()) {
+            score++;
+            textViewScore.setText("Score: " + score);
+        }
+
+        showSolution();
+    }
+
+    private void showSolution() {
+        rb1.setTextColor(Color.RED);
+        rb2.setTextColor(Color.RED);
+        rb3.setTextColor(Color.RED);
+
+        switch (currentQuestion.getAnswerNr()) {
+            case 1:
+                rb1.setTextColor(Color.GREEN);
+                textViewQuestion.setText("Answer 1 is correct");
+                break;
+            case 2:
+                rb2.setTextColor(Color.GREEN);
+                textViewQuestion.setText("Answer 2 is correct");
+                break;
+            case 3:
+                rb3.setTextColor(Color.GREEN);
+                textViewQuestion.setText("Answer 3 is correct");
+                break;
+        }
+
+        if (questionCounter < questionCountTotal) {
+            buttonConfirmNext.setText("Next");
+        } else {
+            buttonConfirmNext.setText("Finish");
         }
     }
 
     private void finishQuiz() {
         finish();
     }
-
-
-
-
-
-
 }