Fixes #47

Created the timer and it works perfectly
Volpym · Oct 13, 2019 · 479ede5 · 479ede5
1 parent 70d0d0d
commit 479ede5
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Showing 2 changed files with 83 additions and 11 deletions.
diff --git a/app/src/main/java/com/example/multiplechoice/MainActivity.java b/app/src/main/java/com/example/multiplechoice/MainActivity.java
@@ -3,22 +3,19 @@
 import androidx.appcompat.app.AppCompatActivity;
 
 import android.graphics.Color;
-import android.graphics.drawable.Drawable;
 import android.os.AsyncTask;
 import android.os.Bundle;
+import android.os.CountDownTimer;
 import android.os.Handler;
 import android.view.View;
 import android.widget.Button;
 import android.widget.TextView;
 import android.widget.Toast;
-
 import org.json.JSONException;
-
-
 import java.io.IOException;
 import java.util.Collections;
 import java.util.List;
-import java.util.Timer;
+
 import java.util.concurrent.ExecutionException;
 
 public class MainActivity extends AppCompatActivity implements View.OnClickListener {
@@ -29,9 +26,16 @@ public class MainActivity extends AppCompatActivity implements View.OnClickListe
     private Bundle savedInstanceState;
     PointSystem pointSystem = new PointSystem();
     int iterator = 0;
+    private CountDownTimer countDownTimer;
+    private long timeLeft;
+
+
+
+
     private TextView tQuestion;
     private TextView questionNumber;
     private TextView score;
+    private TextView timer;
     private Button answer1;
     private Button answer2;
     private Button answer3;
@@ -40,6 +44,7 @@ public class MainActivity extends AppCompatActivity implements View.OnClickListe
 
     private Toast correct_message;
     private Toast wrong_message;
+    private Toast out_of_time;
     final Handler handler = new Handler();
 
 
@@ -54,12 +59,15 @@ protected void onCreate(Bundle savedInstanceState) {
         //Sets the messages that are going to be displayed when the user selects and answer.
         correct_message = Toast.makeText(getApplicationContext(),"Correct!", Toast.LENGTH_SHORT);
         wrong_message = Toast.makeText(getApplicationContext(),"Wrong!", Toast.LENGTH_SHORT);
+        out_of_time = Toast.makeText(getApplicationContext(),"Out of Time!", Toast.LENGTH_SHORT);
+
 
         setContentView(R.layout.activity_main);
 
         questionNumber=findViewById(R.id.eNumberOfQuestions);
         tQuestion = findViewById(R.id.textViewQuestion);
         score = findViewById(R.id.eScore);
+        timer = findViewById(R.id.timer);
         answer1 = findViewById(R.id.bAnswer1);
         answer2 = findViewById(R.id.bAnswer2);
         answer3 = findViewById(R.id.bAnswer3);
@@ -121,22 +129,21 @@ public void loadQuestionElements(Question question) throws InterruptedException
 
 
         this.correctAnswer = question.getCorrectAnswer();
-
+        startCountdown();
     }
 
     @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)) {
                     pointSystem.increasePoints();
                     this.correct_message.show();
+                    countDownTimer.cancel();
                 } else {
                     this.wrong_message.show();
+                    countDownTimer.cancel();
                 }
 
                 handler.postDelayed(new Runnable(){
@@ -149,16 +156,18 @@ public void run(){
                             e.printStackTrace();
                         }
                     }
-                },1500);
+                },1000);
                 break;
 
 
             case R.id.bAnswer2:
                 if (this.question.isCorrect(button.getText().toString(), this.correctAnswer)) {
                     pointSystem.increasePoints();
                     this.correct_message.show();
+                    countDownTimer.cancel();
                 } else {
                     this.wrong_message.show();
+                    countDownTimer.cancel();
                 }
                 handler.postDelayed(new Runnable(){
                     @Override
@@ -175,8 +184,10 @@ public void run(){
                 if (this.question.isCorrect(button.getText().toString(), this.correctAnswer)) {
                     pointSystem.increasePoints();
                     this.correct_message.show();
+                    countDownTimer.cancel();
                 } else {
                     this.wrong_message.show();
+                    countDownTimer.cancel();
                 }
                 handler.postDelayed(new Runnable(){
                     @Override
@@ -194,8 +205,10 @@ public void run(){
                 if (this.question.isCorrect(button.getText().toString(), this.correctAnswer)) {
                     pointSystem.increasePoints();
                     this.correct_message.show();
+                    countDownTimer.cancel();
                 } else {
                     this.wrong_message.show();
+                    countDownTimer.cancel();
                 }
                 handler.postDelayed(new Runnable(){
                     @Override
@@ -234,6 +247,51 @@ public String showQuestionNumber(int iterator){
         return qNumber;
     }
 
+    private void startCountdown(){
+        countDownTimer = new CountDownTimer(31000,1000) {
+            @Override
+            public void onTick(long millisUntilFinished) {
+                timeLeft = millisUntilFinished;
+                updateCountdownText();
+            }
+
+            @Override
+            public void onFinish() {
+                out_of_time.show();
+                countDownTimer.cancel();
+                updateCountdownText();
+                handler.postDelayed(new Runnable(){
+                    @Override
+                    public void run(){
+                        try {
+                            loadQuestionElements(getNewQuestion());
+
+                        } catch (InterruptedException e) {
+                            e.printStackTrace();
+                        }
+                    }
+                },1000);
+
+            }
+        }.start();
+    }
+
+    private void updateCountdownText(){
+
+        int seconds = (int) (timeLeft / 1000) % 60;
+
+        String timeFormatted = String.valueOf(seconds);
+
+        timer.setText(timeFormatted);
+
+        if (timeLeft < 10000) {
+            timer.setTextColor(Color.RED);
+        }else{
+            timer.setTextColor(Color.BLACK);
+        }
+    }
+
+
 }
 
 

diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
@@ -11,9 +11,11 @@
         android:layout_width="80dp"
         android:layout_height="20dp"
         android:text="0/100"
-        android:textSize="12dp"
         android:textAlignment="viewEnd"
+        android:textSize="12dp"
         app:layout_constraintEnd_toEndOf="@+id/textViewQuestion"
+        app:layout_constraintHorizontal_bias="1.0"
+        app:layout_constraintStart_toEndOf="@+id/eScore"
         app:layout_constraintTop_toBottomOf="@+id/textViewQuestion" />
 
     <TextView
@@ -91,4 +93,16 @@
         app:layout_constraintStart_toStartOf="@+id/bAnswer3"
         app:layout_constraintTop_toBottomOf="@+id/bAnswer3" />
 
+    <TextView
+        android:id="@+id/timer"
+        android:layout_width="90dp"
+        android:layout_height="80dp"
+        android:text="TextView"
+        android:textAlignment="center"
+        android:textSize="40dp"
+        app:layout_constraintEnd_toEndOf="@+id/textViewQuestion"
+        app:layout_constraintHorizontal_bias="0.5"
+        app:layout_constraintStart_toStartOf="@+id/textViewQuestion"
+        app:layout_constraintTop_toBottomOf="@+id/textViewQuestion" />
+
 </androidx.constraintlayout.widget.ConstraintLayout>