Added coroutine activity

app/src/main/java/com/example/unittestinginandroid/playground/SuspendingCoroutines.kt

@@ -0,0 +1,32 @@
+package com.example.unittestinginandroid.playground
+
+import kotlinx.coroutines.async
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.joinAll
+import kotlinx.coroutines.runBlocking
+
+fun main() {
+    runBlocking {
+        println("main started")
+
+        joinAll(
+            async { coroutine(1, 500) },
+            async { coroutine(2, 300) },
+            async {
+                repeat(10) {
+                    println("Other task ${it+1} executed")
+                    delay(100)
+                }
+            }
+        )
+
+
+        println("main ended")
+    }
+}
+
+suspend fun coroutine(number: Int, time: Long) {
+    println("Coroutine $number started")
+    delay(time)
+    println("Coroutine $number ended")
+}

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

@@ -0,0 +1,31 @@
+<?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"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".playground.UnderstandingCoroutineActivity">
+
+    <Button
+        android:id="@+id/buttonLaunchCoroutine"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="Launch Coroutine"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintBottom_toBottomOf="parent"/>
+
+
+    <Button
+        android:id="@+id/buttonRunBlocking"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="Launch RunBlocking"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/buttonLaunchCoroutine"
+        />
+
+</androidx.constraintlayout.widget.ConstraintLayout>