Quiz completed

Added timer in tile matching

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

@@ -1,28 +1,78 @@
 package com.example.alzapp;
 
 import android.content.Intent;
+import android.content.SharedPreferences;
 import android.os.Bundle;
 import android.view.View;
 import android.widget.Button;
+import android.widget.TextView;
 
+import androidx.annotation.Nullable;
 import androidx.appcompat.app.AppCompatActivity;
 
 public class QuickQuizStart extends AppCompatActivity {
 
+    private static final int REQUEST_CODE_QUIZ = 1;
+
+    public static final String SHARED_PREFS = "sharedPrefs";
+    public static final String KEY_HIGHSCORE = "keyHighScore";
+
+    private TextView textViewHighScore;
+    private int highScore;
+
     private Button quiz_start;
+
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_quick_quiz_start);
 
+        textViewHighScore = findViewById(R.id.quiz_highScore);
+        loadHighScore();
+
         quiz_start = findViewById(R.id.start_quiz);
         quiz_start.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
                 Intent intent = new Intent(QuickQuizStart.this,QuizQuestionPage.class);
-                startActivity(intent);
+                startActivityForResult(intent,REQUEST_CODE_QUIZ);
             }
         });
 
     }
+
+    @Override
+    protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {
+        super.onActivityResult(requestCode, resultCode, data);
+
+        if(requestCode == REQUEST_CODE_QUIZ){
+           if(resultCode == RESULT_OK){
+                int score = data.getIntExtra(QuizQuestionPage.EXTRA_SCORE,0);
+                if(score > highScore){
+                    updateHighScore(score);
+                }
+           }
+        }
+
+    }
+
+    private void updateHighScore(int highScoreNew){
+        highScore = highScoreNew;
+        textViewHighScore.setText("Highscore: "+ highScore);
+
+        SharedPreferences prefs = getSharedPreferences(SHARED_PREFS, MODE_PRIVATE);
+        SharedPreferences.Editor editor = prefs.edit();
+        editor.putInt(KEY_HIGHSCORE, highScore);
+        editor.apply();
+    }
+
+
+    private void loadHighScore(){
+        SharedPreferences prefs = getSharedPreferences(SHARED_PREFS,MODE_PRIVATE);
+        highScore = prefs.getInt(KEY_HIGHSCORE,0);
+        textViewHighScore.setText("Highscore: "+ highScore);
+
+    }
+
 }

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

@@ -48,16 +48,27 @@ public class QuizDbHelper extends SQLiteOpenHelper {
     }
 
     private void fillQuestionsTable() {
-        Question q1 = new Question("A is correct", "A", "B", "C", 1);
+        Question q1 = new Question("What is 2+2?", "4", "12", "17", 1);
         addQuestion(q1);
-        Question q2 = new Question("B is correct", "A", "B", "C", 2);
+        Question q2 = new Question("Which letter comes after A,B,C,D in the english alphabet series?", "F", "E", "D", 2);
         addQuestion(q2);
-        Question q3 = new Question("C is correct", "A", "B", "C", 3);
+        Question q3 = new Question("How many letters are present in the english alphabet?", "28", "25", "26", 3);
         addQuestion(q3);
-        Question q4 = new Question("A is correct again", "A", "B", "C", 1);
+        Question q4 = new Question("8,16,24, __  Which number should come in the blank space ?", "34", "32", "48", 2);
         addQuestion(q4);
-        Question q5 = new Question("B is correct again", "A", "B", "C", 2);
+        Question q5 = new Question("In tossing of a fair coin, what is the probability of getting a head? ", "50%", "40%", "55%", 1);
         addQuestion(q5);
+        Question q6 = new Question("The total number of states present in India is", "27", "28", "29", 2);
+        addQuestion(q6);
+        Question q7 = new Question("The Hindi film industry is better known as ", "Bollywood", "Tollywood", "Sandalwood", 1);
+        addQuestion(q7);
+        Question q8 = new Question("Which city is also known as the Silicon Valley of Asia ?", "Mumbai", "Abu Dhabi", "Bangalore", 3);
+        addQuestion(q8);
+        Question q9 = new Question("Total number of bones present in the human body is ", "204", "205", "206", 3);
+        addQuestion(q9);
+        Question q10 = new Question("Novak Djokovic is a famous player associated with the game of ", "Basketball", "Tennis", "Cricket", 1);
+        addQuestion(q10);
+
     }
 
     private void addQuestion(Question question) {

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

@@ -1,8 +1,10 @@
 package com.example.alzapp;
 
+import android.content.Intent;
 import android.content.res.ColorStateList;
 import android.graphics.Color;
 import android.os.Bundle;
+import android.os.CountDownTimer;
 import android.view.View;
 import android.widget.Button;
 import android.widget.RadioButton;
@@ -13,8 +15,13 @@ import androidx.appcompat.app.AppCompatActivity;
 
 import java.util.Collections;
 import java.util.List;
+import java.util.Locale;
 
 public class QuizQuestionPage extends AppCompatActivity {
+
+    public static final String EXTRA_SCORE = "extraScore";
+    private static final long COUNT_DOWN_MILLIS = 10000;
+
     private TextView textViewQuestion;
     private TextView textViewScore;
     private TextView textViewQuestionCount;
@@ -26,6 +33,10 @@ public class QuizQuestionPage extends AppCompatActivity {
     private Button buttonConfirmNext;
 
     private ColorStateList textColorDefaultRb;
+    private ColorStateList textColorDefaultCd;
+
+    private CountDownTimer countDownTimer;
+    private long timeLeftInMillis;
 
     private List<Question> questionList;
     private int questionCounter;
@@ -35,6 +46,8 @@ public class QuizQuestionPage extends AppCompatActivity {
     private int score;
     private boolean answered;
 
+    private long backPressedTime;
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -52,6 +65,7 @@ public class QuizQuestionPage extends AppCompatActivity {
 
 
         textColorDefaultRb = rb1.getTextColors();
+        textColorDefaultCd = textViewCountDown.getTextColors();
 
         QuizDbHelper dbHelper = new QuizDbHelper(this);
         questionList = dbHelper.getAllQuestions();
@@ -94,14 +108,54 @@ public class QuizQuestionPage extends AppCompatActivity {
             textViewQuestionCount.setText("Question: " + questionCounter + "/" + questionCountTotal);
             answered = false;
             buttonConfirmNext.setText("Confirm");
+
+            timeLeftInMillis = COUNT_DOWN_MILLIS;
+            startCountdown();
+
         } else {
             finishQuiz();
         }
     }
 
+
+    private void startCountdown(){
+        countDownTimer = new CountDownTimer(timeLeftInMillis,1000) {
+            @Override
+            public void onTick(long millisUntilFinished) {
+                timeLeftInMillis = millisUntilFinished;
+                updateCountDownText();
+            }
+
+            @Override
+            public void onFinish() {
+                timeLeftInMillis = 0;
+                updateCountDownText();
+                checkAnswer();
+            }
+        }.start();
+    }
+
+    private void updateCountDownText(){
+        int minutes = (int) (timeLeftInMillis / 1000) /60;
+        int seconds = (int) (timeLeftInMillis / 1000) %60;
+
+        String timeFormatted = String.format(Locale.getDefault(),"%02d:%02d",minutes,seconds);
+        textViewCountDown.setText(timeFormatted);
+
+
+        if(timeLeftInMillis < 5000){
+            textViewCountDown.setTextColor(Color.GREEN);
+        }
+        else {
+            textViewCountDown.setTextColor(textColorDefaultCd);
+        }
+    }
+
     private void checkAnswer() {
         answered = true;
 
+        countDownTimer.cancel();
+
         RadioButton rbSelected = findViewById(rbGroup.getCheckedRadioButtonId());
         int answerNr = rbGroup.indexOfChild(rbSelected) + 1;
 
@@ -114,21 +168,21 @@ public class QuizQuestionPage extends AppCompatActivity {
     }
 
     private void showSolution() {
-        rb1.setTextColor(Color.RED);
+      /**  rb1.setTextColor(Color.RED);
         rb2.setTextColor(Color.RED);
-        rb3.setTextColor(Color.RED);
+        rb3.setTextColor(Color.RED);    **/
 
         switch (currentQuestion.getAnswerNr()) {
             case 1:
-                rb1.setTextColor(Color.GREEN);
+               // rb1.setTextColor(Color.GREEN);
                 textViewQuestion.setText("Answer 1 is correct");
                 break;
             case 2:
-                rb2.setTextColor(Color.GREEN);
+               // rb2.setTextColor(Color.GREEN);
                 textViewQuestion.setText("Answer 2 is correct");
                 break;
             case 3:
-                rb3.setTextColor(Color.GREEN);
+               // rb3.setTextColor(Color.GREEN);
                 textViewQuestion.setText("Answer 3 is correct");
                 break;
         }
@@ -141,6 +195,30 @@ public class QuizQuestionPage extends AppCompatActivity {
     }
 
     private void finishQuiz() {
+        Intent resultIntent = new Intent();
+        resultIntent.putExtra(EXTRA_SCORE,score);
+        setResult(RESULT_OK,resultIntent);
         finish();
     }
+
+    @Override
+    public void onBackPressed() {
+        if(backPressedTime + 2000 > System.currentTimeMillis()){
+            finishQuiz();
+        }
+        else {
+        Toast.makeText(this,"Press back again to finish",Toast.LENGTH_SHORT).show();
+        }
+
+        backPressedTime = System.currentTimeMillis();
+    }
+
+
+    @Override
+    protected void onDestroy() {
+        super.onDestroy();
+        if(countDownTimer != null){
+            countDownTimer.cancel();
+        }
+    }
 }

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

@@ -8,6 +8,7 @@ import android.os.Bundle;
 import android.os.Handler;
 import android.view.View;
 import android.widget.Button;
+import android.widget.Chronometer;
 import android.widget.ImageView;
 import android.widget.TextView;
 
@@ -38,7 +39,8 @@ public class TileMatchingActivity extends AppCompatActivity {
             img201,img202,img203,img204,img205,img206,img207,img208,
             firstCard,secondCard,clickedFirst,clickedSecond,cardNumber=1,playerMoves=0;
 
-
+        private Chronometer chronometer;
+        public boolean running;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -46,6 +48,9 @@ public class TileMatchingActivity extends AppCompatActivity {
         setContentView(R.layout.activity_tile_matching);
         counter=(TextView) findViewById(R.id.counter1);
 
+        chronometer = findViewById(R.id.tileMatching_chronometer);
+
+
         i11=(ImageView) findViewById(R.id.i11);
         i12=(ImageView) findViewById(R.id.i12);
         i13=(ImageView) findViewById(R.id.i13);
@@ -222,8 +227,6 @@ public class TileMatchingActivity extends AppCompatActivity {
 
 
 
-
-
         Button back = (Button) findViewById(R.id.back);
 
         back.setOnClickListener(new View.OnClickListener() {
@@ -233,9 +236,16 @@ public class TileMatchingActivity extends AppCompatActivity {
             }
         });
 
+        /**  Game timer **/
+        if(!running){
+            chronometer.start();
+            running = true;
+        }
 
     }
 
+
+
     private void doStuff(ImageView img,int card){
         if(cardsArray[card]==101){
             img.setImageResource(img101);
@@ -495,9 +505,14 @@ public class TileMatchingActivity extends AppCompatActivity {
                 i44.getVisibility()==View.INVISIBLE
         ){
             AlertDialog.Builder message= new AlertDialog.Builder(TileMatchingActivity.this);
-            message.setMessage("GAME OVER!!\nMOVES= "+counter)
+            message.setMessage("GAME OVER!!\nMOVES= "+counter);
-                    .setCancelable(false)
+            /** Timer end **/
-                    .setPositiveButton("NEXT", new DialogInterface.OnClickListener() {
+            if(running){
+                chronometer.stop();
+                running = false;
+            }
+            message.setCancelable(false);
+            message.setPositiveButton("NEXT", new DialogInterface.OnClickListener() {
                         @Override
                         public void onClick(DialogInterface dialog, int which) {
                             finish();

app/src/main/res/layout/activity_quick_quiz_start.xml

@@ -15,6 +15,7 @@
         android:textColor="@android:color/black" />
 
     <TextView
+        android:id="@+id/quiz_highScore"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:text="Highscore : 0"

app/src/main/res/layout/activity_tile_matching.xml

@@ -43,6 +43,15 @@
         android:text="MOVES= 0"
         android:textSize="20sp"/>
 
+    <Chronometer
+        android:id="@+id/tileMatching_chronometer"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_alignParentBottom="true"
+        android:layout_marginLeft="16dp"
+        android:textSize="24sp"/>
+
+
 
 
 </RelativeLayout>