New examples added

Tutorial1-1CoroutinesBasics/build.gradle

@@ -11,7 +11,7 @@ android {
         targetSdkVersion rootProject.ext.targetSdkVersion
         versionCode 1
         versionName "1.0"
-
+        multiDexEnabled true
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
 
@@ -95,6 +95,7 @@ dependencies {
 
     // androidx.fragment
     implementation "androidx.fragment:fragment:$fragmentVersion"
+    implementation 'androidx.fragment:fragment-ktx:1.3.0-alpha05'
 
     // **** TESTING ****
 

Tutorial1-1CoroutinesBasics/src/main/AndroidManifest.xml

@@ -22,14 +22,16 @@
         <activity android:name="com.smarttoolfactory.tutorial1_1coroutinesbasics.chapter1_basics.Activity1Basics" />
         <activity android:name="com.smarttoolfactory.tutorial1_1coroutinesbasics.chapter2_scopes.Activity2CoroutineScope1" />
         <activity android:name="com.smarttoolfactory.tutorial1_1coroutinesbasics.chapter2_scopes.Activity2CoroutineScope2" />
-
-        <activity android:name="com.smarttoolfactory.tutorial1_1coroutinesbasics.chapter4_supervisorjob.Activity4SupervisorJob" />
+        <activity android:name="com.smarttoolfactory.tutorial1_1coroutinesbasics.chapter2_scopes.Activity2CoroutineScope3" />
+        <activity android:name="com.smarttoolfactory.tutorial1_1coroutinesbasics.chapter2_scopes.Activity2CoroutineScope4" />
         <activity android:name="com.smarttoolfactory.tutorial1_1coroutinesbasics.chapter3_lifecycle.Activity3CoroutineLifecycle" />
+        <activity android:name="com.smarttoolfactory.tutorial1_1coroutinesbasics.chapter4_supervisorjob.Activity4SupervisorJob" />
         <activity android:name="com.smarttoolfactory.tutorial1_1coroutinesbasics.chapter5_viewmodel.Activity5ViewModelScope" />
         <activity android:name="com.smarttoolfactory.tutorial1_1coroutinesbasics.chapter5_viewmodel.Activity5ViewModelRxJava" />
         <activity android:name="com.smarttoolfactory.tutorial1_1coroutinesbasics.chapter6_network.Activity6Network" />
         <activity android:name="com.smarttoolfactory.tutorial1_1coroutinesbasics.chapter7_database.Activity7Database" />
         <activity android:name="com.smarttoolfactory.tutorial1_1coroutinesbasics.chapter8_single_source_of_truth.Activity8SingleSourceOfTruth" />
+        <activity android:name="com.smarttoolfactory.tutorial1_1coroutinesbasics.retrofitexample.RetrofitActivity" />
     </application>
 
 </manifest>

Tutorial1-1CoroutinesBasics/src/main/java/com/smarttoolfactory/tutorial1_1coroutinesbasics/MainActivity.kt

@@ -14,14 +14,17 @@ import com.smarttoolfactory.tutorial1_1coroutinesbasics.adapter.ChapterSelection
 import com.smarttoolfactory.tutorial1_1coroutinesbasics.chapter1_basics.Activity1Basics
 import com.smarttoolfactory.tutorial1_1coroutinesbasics.chapter2_scopes.Activity2CoroutineScope1
 import com.smarttoolfactory.tutorial1_1coroutinesbasics.chapter2_scopes.Activity2CoroutineScope2
-import com.smarttoolfactory.tutorial1_1coroutinesbasics.chapter4_supervisorjob.Activity4SupervisorJob
+import com.smarttoolfactory.tutorial1_1coroutinesbasics.chapter2_scopes.Activity2CoroutineScope3
+import com.smarttoolfactory.tutorial1_1coroutinesbasics.chapter2_scopes.Activity2CoroutineScope4
 import com.smarttoolfactory.tutorial1_1coroutinesbasics.chapter3_lifecycle.Activity3CoroutineLifecycle
+import com.smarttoolfactory.tutorial1_1coroutinesbasics.chapter4_supervisorjob.Activity4SupervisorJob
 import com.smarttoolfactory.tutorial1_1coroutinesbasics.chapter5_viewmodel.Activity5ViewModelRxJava
 import com.smarttoolfactory.tutorial1_1coroutinesbasics.chapter5_viewmodel.Activity5ViewModelScope
 import com.smarttoolfactory.tutorial1_1coroutinesbasics.chapter6_network.Activity6Network
 import com.smarttoolfactory.tutorial1_1coroutinesbasics.chapter7_database.Activity7Database
 import com.smarttoolfactory.tutorial1_1coroutinesbasics.chapter8_single_source_of_truth.Activity8SingleSourceOfTruth
 import com.smarttoolfactory.tutorial1_1coroutinesbasics.model.ActivityClassModel
+import com.smarttoolfactory.tutorial1_1coroutinesbasics.retrofitexample.RetrofitActivity
 import java.util.*
 
 class MainActivity : AppCompatActivity(), BaseAdapter.OnRecyclerViewItemClickListener {
@@ -41,13 +44,16 @@ class MainActivity : AppCompatActivity(), BaseAdapter.OnRecyclerViewItemClickLis
         activityClassModels.add(ActivityClassModel(Activity1Basics::class.java))
         activityClassModels.add(ActivityClassModel(Activity2CoroutineScope1::class.java))
         activityClassModels.add(ActivityClassModel(Activity2CoroutineScope2::class.java))
+        activityClassModels.add(ActivityClassModel(Activity2CoroutineScope3::class.java))
+        activityClassModels.add(ActivityClassModel(Activity2CoroutineScope4::class.java))
         activityClassModels.add(ActivityClassModel(Activity3CoroutineLifecycle::class.java))
         activityClassModels.add(ActivityClassModel(Activity4SupervisorJob::class.java))
         activityClassModels.add(ActivityClassModel(Activity5ViewModelScope::class.java))
         activityClassModels.add(ActivityClassModel(Activity5ViewModelRxJava::class.java))
         activityClassModels.add(ActivityClassModel(Activity6Network::class.java))
         activityClassModels.add(ActivityClassModel(Activity7Database::class.java))
         activityClassModels.add(ActivityClassModel(Activity8SingleSourceOfTruth::class.java))
+        activityClassModels.add(ActivityClassModel(RetrofitActivity::class.java))
 
         val recyclerView = activityMainBinding.recyclerView
 

Tutorial1-1CoroutinesBasics/src/main/java/com/smarttoolfactory/tutorial1_1coroutinesbasics/chapter2_scopes/Activity2CoroutineScope1.kt

@@ -2,21 +2,18 @@ package com.smarttoolfactory.tutorial1_1coroutinesbasics.chapter2_scopes
 
 import android.os.Bundle
 import androidx.appcompat.app.AppCompatActivity
-import androidx.databinding.DataBindingUtil
 import com.smarttoolfactory.tutorial1_1basics.R
 import com.smarttoolfactory.tutorial1_1basics.databinding.Activity2Scope1Binding
+import com.smarttoolfactory.tutorial1_1coroutinesbasics.util.dataBinding
 import kotlinx.coroutines.*
 
-class Activity2CoroutineScope1 : AppCompatActivity() {
+class Activity2CoroutineScope1 : AppCompatActivity(R.layout.activity2_scope_1) {
 
-    private lateinit var binding: Activity2Scope1Binding
+    private val binding: Activity2Scope1Binding by dataBinding()
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
 
-        binding =
-            DataBindingUtil.setContentView(this, R.layout.activity2_scope_1)
-
         binding.button4.setOnClickListener {
             CoroutineScope(Dispatchers.IO).launch {
                 fakeApiRequest()
@@ -25,21 +22,29 @@ class Activity2CoroutineScope1 : AppCompatActivity() {
     }
 
     private suspend fun fakeApiRequest() {
-        val result1 = getResult1FromApi()
+        val result1 =
+            getResult1FromApi()           // the following line is not executed until the suspending function getResult1FromApi() returns
         println("test123 - result : $result1")
-        setTextOnMainThread(result1)
+        setTextOnMainThread(result1)                // the following line is not executed until the suspending function setTextOnMainThread() returns
 
-        val result2 = getResult2FromApi()
-        setTextOnMainThread(result2)
+        val result2 =
+            getResult2FromApi()           // the following line is not executed until the suspending function getResult2FromApi() returns
+        setTextOnMainThread(result2)                // the following line is not executed until the suspending function setTextOnMainThread() returns
         println("test123 - result: $result2")
     }
 
+    /** Simulates network request
+     * delay(2000) simulates the waiting for response from server
+     * */
     private suspend fun getResult1FromApi(): String {
         println("test123 - getResult1FromApi : ${Thread.currentThread().name}")
         delay(2000)
         return "\nResult 1"
     }
 
+    /**
+     * delay(2000) simulates the waiting for response from server
+     * Simulates network request */
     private suspend fun getResult2FromApi(): String {
         println("test123 - getResult2FromApi : ${Thread.currentThread().name}")
         delay(2000)