Added a timer

app/src/androidTest/java/com/example/quickmax/MainActivityTest.kt

@@ -56,6 +56,10 @@ class MainActivityTest {
         assertTrue(testRule.activity.supportFragmentManager.fragments.size == 1)
     }
 
+    @Test
+    fun timer() {
+        // TODO write test
+    }
 
     private fun getCorrectAnswerIndex(): Int {
         val options = getOptions()

app/src/main/java/com/example/quickmax/MainActivity.kt

@@ -6,6 +6,7 @@ import android.widget.RadioButton
 import androidx.appcompat.app.AppCompatActivity
 import androidx.fragment.app.Fragment
 import kotlinx.android.synthetic.main.activity_main.*
+import android.os.CountDownTimer
 
 class MainActivity : AppCompatActivity() {
 
@@ -17,6 +18,20 @@ class MainActivity : AppCompatActivity() {
         setContentView(R.layout.activity_main)
 
         addRadioButtons()
+        setTimer()
+    }
+
+    private fun setTimer() {
+        object : CountDownTimer(3000, 500) {
+
+            override fun onTick(millisUntilFinished: Long) {
+                tv_time_left.text = (millisUntilFinished / 1000.0).toString()
+            }
+
+            override fun onFinish() {
+                tv_time_left.text = "OVER"
+            }
+        }.start()
     }
 
     private fun addRadioButtons() {

app/src/main/res/drawable/ic_timer_big.xml

+<vector android:height="150dp" android:viewportHeight="24"
+    android:viewportWidth="24" android:width="150dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="#FF000000" android:pathData="M15,1L9,1v2h6L15,1zM11,14h2L13,8h-2v6zM19.03,7.39l1.42,-1.42c-0.43,-0.51 -0.9,-0.99 -1.41,-1.41l-1.42,1.42C16.07,4.74 14.12,4 12,4c-4.97,0 -9,4.03 -9,9s4.02,9 9,9 9,-4.03 9,-9c0,-2.12 -0.74,-4.07 -1.97,-5.61zM12,20c-3.87,0 -7,-3.13 -7,-7s3.13,-7 7,-7 7,3.13 7,7 -3.13,7 -7,7z"/>
+</vector>

app/src/main/res/drawable/ic_timer_small.xml

+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+  <path
+      android:fillColor="#FF000000"
+      android:pathData="M15,1L9,1v2h6L15,1zM11,14h2L13,8h-2v6zM19.03,7.39l1.42,-1.42c-0.43,-0.51 -0.9,-0.99 -1.41,-1.41l-1.42,1.42C16.07,4.74 14.12,4 12,4c-4.97,0 -9,4.03 -9,9s4.02,9 9,9 9,-4.03 9,-9c0,-2.12 -0.74,-4.07 -1.97,-5.61zM12,20c-3.87,0 -7,-3.13 -7,-7s3.13,-7 7,-7 7,3.13 7,7 -3.13,7 -7,7z"/>
+</vector>

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

@@ -7,6 +7,32 @@
     android:layout_height="match_parent"
     tools:context=".MainActivity">
 
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:id="@+id/timer_layout"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="8dp"
+        android:layout_marginEnd="8dp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toTopOf="parent">
+
+        <ImageView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:tint="#4CAF50"
+            app:layout_constraintEnd_toStartOf="@+id/tv_time_left"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent"
+            app:srcCompat="@drawable/ic_timer_small" />
+
+        <TextView
+            android:id="@+id/tv_time_left"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintTop_toTopOf="parent" />
+    </androidx.constraintlayout.widget.ConstraintLayout>
+
     <TextView
         android:id="@+id/task"
         android:layout_width="wrap_content"

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

+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <ImageView
+        android:id="@+id/imageView"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:tint="#F44336"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:srcCompat="@drawable/ic_timer_big" />
+</androidx.constraintlayout.widget.ConstraintLayout>
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