From 63c6c738f84a6a8dd4cfd4bb64bd3fbc022ded67 Mon Sep 17 00:00:00 2001
From: Ramakrishna Joshi <rjoshi@falabella.cl>
Date: Wed, 21 Sep 2022 14:17:23 +0530
Subject: [PATCH] Added coroutine activity

---
 .idea/codeStyles/Project.xml                  | 20 ++----
 .idea/compiler.xml                            |  2 +-
 .idea/gradle.xml                              |  5 +-
 .idea/misc.xml                                | 10 ++-
 .idea/runConfigurations.xml                   | 12 ----
 app/build.gradle                              | 21 ++++--
 app/src/main/AndroidManifest.xml              | 13 +++-
 .../unittestinginandroid/MainActivity.kt      |  3 +-
 .../unittestinginandroid/TestActivity.kt      |  6 +-
 .../UnderstandingCoroutineActivity.kt         | 69 +++++++++++++++++++
 build.gradle                                  |  4 +-
 11 files changed, 119 insertions(+), 46 deletions(-)
 delete mode 100644 .idea/runConfigurations.xml
 create mode 100644 app/src/main/java/com/example/unittestinginandroid/playground/UnderstandingCoroutineActivity.kt

diff --git a/.idea/codeStyles/Project.xml b/.idea/codeStyles/Project.xml
index 6df9bac..fe8d1de 100644
--- a/.idea/codeStyles/Project.xml
+++ b/.idea/codeStyles/Project.xml
@@ -3,22 +3,7 @@
     <option name="RIGHT_MARGIN" value="150" />
     <option name="SOFT_MARGINS" value="100,150" />
     <JetCodeStyleSettings>
-      <option name="PACKAGES_TO_USE_STAR_IMPORTS">
-        <value>
-          <package name="java.util" alias="false" withSubpackages="false" />
-          <package name="kotlinx.android.synthetic" alias="false" withSubpackages="true" />
-          <package name="io.ktor" alias="false" withSubpackages="true" />
-        </value>
-      </option>
-      <option name="PACKAGES_IMPORT_LAYOUT">
-        <value>
-          <package name="" alias="false" withSubpackages="true" />
-          <package name="java" alias="false" withSubpackages="true" />
-          <package name="javax" alias="false" withSubpackages="true" />
-          <package name="kotlin" alias="false" withSubpackages="true" />
-          <package name="" alias="true" withSubpackages="true" />
-        </value>
-      </option>
+      <option name="CODE_STYLE_DEFAULTS" value="KOTLIN_OFFICIAL" />
     </JetCodeStyleSettings>
     <codeStyleSettings language="XML">
       <option name="FORCE_REARRANGE_MODE" value="1" />
@@ -133,5 +118,8 @@
         </rules>
       </arrangement>
     </codeStyleSettings>
+    <codeStyleSettings language="kotlin">
+      <option name="CODE_STYLE_DEFAULTS" value="KOTLIN_OFFICIAL" />
+    </codeStyleSettings>
   </code_scheme>
 </component>
\ No newline at end of file
diff --git a/.idea/compiler.xml b/.idea/compiler.xml
index 61a9130..fb7f4a8 100644
--- a/.idea/compiler.xml
+++ b/.idea/compiler.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="CompilerConfiguration">
-    <bytecodeTargetLevel target="1.8" />
+    <bytecodeTargetLevel target="11" />
   </component>
 </project>
\ No newline at end of file
diff --git a/.idea/gradle.xml b/.idea/gradle.xml
index 9bba60d..a0de2a1 100644
--- a/.idea/gradle.xml
+++ b/.idea/gradle.xml
@@ -4,17 +4,16 @@
   <component name="GradleSettings">
     <option name="linkedExternalProjectsSettings">
       <GradleProjectSettings>
-        <option name="testRunner" value="PLATFORM" />
+        <option name="testRunner" value="GRADLE" />
         <option name="distributionType" value="DEFAULT_WRAPPED" />
         <option name="externalProjectPath" value="$PROJECT_DIR$" />
+        <option name="gradleJvm" value="Embedded JDK" />
         <option name="modules">
           <set>
             <option value="$PROJECT_DIR$" />
             <option value="$PROJECT_DIR$/app" />
           </set>
         </option>
-        <option name="resolveModulePerSourceSet" value="false" />
-        <option name="useQualifiedModuleNames" value="true" />
       </GradleProjectSettings>
     </option>
   </component>
diff --git a/.idea/misc.xml b/.idea/misc.xml
index d5d35ec..7606913 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -1,6 +1,14 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+  <component name="DesignSurface">
+    <option name="filePathToZoomLevelMap">
+      <map>
+        <entry key="app/src/main/res/layout/activity_payment.xml" value="0.3182291666666667" />
+        <entry key="app/src/main/res/layout/activity_understanding_coroutine.xml" value="0.30416666666666664" />
+      </map>
+    </option>
+  </component>
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_11" default="true" project-jdk-name="11" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">
diff --git a/.idea/runConfigurations.xml b/.idea/runConfigurations.xml
deleted file mode 100644
index 7f68460..0000000
--- a/.idea/runConfigurations.xml
+++ /dev/null
@@ -1,12 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="RunConfigurationProducerService">
-    <option name="ignoredProducers">
-      <set>
-        <option value="org.jetbrains.plugins.gradle.execution.test.runner.AllInPackageGradleConfigurationProducer" />
-        <option value="org.jetbrains.plugins.gradle.execution.test.runner.TestClassGradleConfigurationProducer" />
-        <option value="org.jetbrains.plugins.gradle.execution.test.runner.TestMethodGradleConfigurationProducer" />
-      </set>
-    </option>
-  </component>
-</project>
\ No newline at end of file
diff --git a/app/build.gradle b/app/build.gradle
index e51cc90..bcf6ad6 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -4,12 +4,12 @@ apply plugin: 'kotlin-android-extensions'
 apply plugin: 'kotlin-kapt'
 
 android {
-    compileSdkVersion 29
+    compileSdkVersion 30
     buildToolsVersion "29.0.2"
     defaultConfig {
         applicationId "com.example.unittestinginandroid"
         minSdkVersion 22
-        targetSdkVersion 29
+        targetSdkVersion 30
         versionCode 1
         versionName "1.0"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
@@ -20,6 +20,16 @@ android {
             proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
         }
     }
+
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+
+    kotlinOptions {
+        jvmTarget = "1.8"
+    }
+
 }
 
 dependencies {
@@ -65,7 +75,8 @@ dependencies {
     implementation "androidx.lifecycle:lifecycle-runtime-ktx:2.2.0"
     implementation "androidx.lifecycle:lifecycle-runtime-ktx:2.2.0"
 
-    // Room
-    implementation "androidx.room:room-runtime:2.2.6"
-    kapt "androidx.room:room-compiler:2.2.6"
+    // Room - Mac M1 requires 2.4.0-alpha03 version atleast
+    def room_version = "2.4.0-alpha03"
+    implementation "androidx.room:room-runtime:$room_version"
+    kapt "androidx.room:room-compiler:$room_version"
 }
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index d3253b3..04991bf 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -9,13 +9,24 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/AppTheme">
-        <activity android:name=".MainActivity">
+        <activity
+            android:name=".playground.UnderstandingCoroutineActivity"
+            android:exported="true">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
 
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
+        <activity android:name=".MainActivity">
+
+            <!--
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+            -->
+        </activity>
         <activity android:name=".TestActivity" />
     </application>
 
diff --git a/app/src/main/java/com/example/unittestinginandroid/MainActivity.kt b/app/src/main/java/com/example/unittestinginandroid/MainActivity.kt
index 75d83c6..d0b5f97 100644
--- a/app/src/main/java/com/example/unittestinginandroid/MainActivity.kt
+++ b/app/src/main/java/com/example/unittestinginandroid/MainActivity.kt
@@ -62,7 +62,8 @@ class MainActivity : AppCompatActivity() {
     // suspend function can be called for either another suspend function
     // or from a coroutine context
     private suspend fun networkCall() {
-        delay(5000)
+        delay(5000) // delay is nothing but another suspend function that Delays coroutine
+        // for a given time without blocking a thread and resumes it after a specified time.
         logInfo("network call executed in thread : ${Thread.currentThread()}")
     }
 
diff --git a/app/src/main/java/com/example/unittestinginandroid/TestActivity.kt b/app/src/main/java/com/example/unittestinginandroid/TestActivity.kt
index 81bd28a..f3c2a5b 100644
--- a/app/src/main/java/com/example/unittestinginandroid/TestActivity.kt
+++ b/app/src/main/java/com/example/unittestinginandroid/TestActivity.kt
@@ -3,10 +3,7 @@ package com.example.unittestinginandroid
 import android.os.Bundle
 import android.util.Log
 import androidx.appcompat.app.AppCompatActivity
-import kotlinx.coroutines.GlobalScope
-import kotlinx.coroutines.delay
-import kotlinx.coroutines.launch
-import kotlinx.coroutines.runBlocking
+import kotlinx.coroutines.*
 
 class TestActivity : AppCompatActivity() {
 
@@ -23,6 +20,7 @@ class TestActivity : AppCompatActivity() {
             }
         }
 
+
         runBlocking {
             job.join()
             Log.d(TAG, "Coroutine Finished")
diff --git a/app/src/main/java/com/example/unittestinginandroid/playground/UnderstandingCoroutineActivity.kt b/app/src/main/java/com/example/unittestinginandroid/playground/UnderstandingCoroutineActivity.kt
new file mode 100644
index 0000000..a9e45ef
--- /dev/null
+++ b/app/src/main/java/com/example/unittestinginandroid/playground/UnderstandingCoroutineActivity.kt
@@ -0,0 +1,69 @@
+package com.example.unittestinginandroid.playground
+
+import androidx.appcompat.app.AppCompatActivity
+import android.os.Bundle
+import android.util.Log
+import com.example.unittestinginandroid.R
+import kotlinx.android.synthetic.main.activity_understanding_coroutine.*
+import kotlinx.coroutines.*
+
+class UnderstandingCoroutineActivity : AppCompatActivity() {
+    private val TAG = this::class.java.simpleName
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_understanding_coroutine)
+
+        buttonLaunchCoroutine.setOnClickListener {
+            logInfo("Button Clicked")
+
+            GlobalScope.launch(Dispatchers.IO) {
+                logInfo("Coroutine Running in Thread ${Thread.currentThread()}")
+
+                val resultA = function1()
+                val resultB = function2()
+                logInfo("After Network Call")
+                val result = resultA + resultB
+                logInfo("result is $result")
+            }
+            logInfo("Button Click Executed")
+        }
+
+        buttonRunBlocking.setOnClickListener {
+            logInfo("Button Clicked")
+            runBlocking {
+                logInfo("Coroutine Running in Thread ${Thread.currentThread()}")
+                async {
+                    function1()
+                }
+                async {
+                    function2()
+                }
+                logInfo("Control after calling both functions")
+            }
+            logInfo("Button Click Executed")
+        }
+    }
+
+    //One important thumb rule is Suspend function should be called only from a coroutine or
+    // another suspend function
+    suspend fun function1(): Int {
+        logInfo("function1 : Running in Thread ${Thread.currentThread()}")
+        logInfo("function1 : Delay function called")
+        delay(3000)
+        logInfo("function1 : Delay function executed")
+        return 10
+    }
+
+    suspend fun function2(): Int {
+        logInfo("function2 : Running in Thread ${Thread.currentThread()}")
+        logInfo("function2 : Delay function called")
+        delay(10000)
+        logInfo("function2 : Delay function executed")
+        return 20
+    }
+
+    private fun logInfo(message: String) {
+        Log.d(TAG, message)
+    }
+}
\ No newline at end of file
diff --git a/build.gradle b/build.gradle
index afff5e3..fac93e4 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,7 +1,7 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 
 buildscript {
-    ext.kotlin_version = '1.4.10'
+    ext.kotlin_version = '1.6.21'
     repositories {
         google()
         jcenter()
@@ -9,7 +9,7 @@ buildscript {
     }
     dependencies {
         classpath 'com.android.tools.build:gradle:4.1.2'
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:1.7.0"
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
     }