Feature Three Module dagger implementation and shared dependency

Author: yusufceylan

app/build.gradle

@@ -32,6 +32,7 @@ dependencies {
     implementation project(":base")
     implementation project(":feature-one")
     implementation project(":feature-two")
+    implementation project(":feature-three")
 
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
     implementation 'androidx.appcompat:appcompat:1.1.0'

app/src/main/java/com/ysfcyln/daggermultimodule/di/AppComponent.kt

@@ -4,6 +4,7 @@ import android.app.Application
 import com.ysfcyln.base.BaseModule
 import com.ysfcyln.daggermultimodule.di.main.MainComponent
 import com.ysfcyln.feature_one.di.FeatureOneComponent
+import com.ysfcyln.feature_three.di.FeatureThreeComponent
 import com.ysfcyln.feature_two.di.FeatureTwoComponent
 import dagger.BindsInstance
 import dagger.Component
@@ -35,4 +36,7 @@ interface AppComponent {
     // Save the reference of factories in the app component for creating sub components
     fun featureTwoComponent() : FeatureTwoComponent.Factory
 
+    // Save the reference of factories in the app component for creating sub components
+    fun featureThreeComponent() : FeatureThreeComponent.Factory
+
 }

app/src/main/java/com/ysfcyln/daggermultimodule/di/SubComponents.kt

@@ -4,10 +4,13 @@ import com.ysfcyln.daggermultimodule.di.main.MainComponent
 import com.ysfcyln.daggermultimodule.di.main.MainComponentProvider
 import com.ysfcyln.feature_one.di.FeatureOneComponent
 import com.ysfcyln.feature_one.di.FeatureOneComponentProvider
+import com.ysfcyln.feature_three.di.FeatureThreeComponent
+import com.ysfcyln.feature_three.di.FeatureThreeComponentProvider
 import com.ysfcyln.feature_two.di.FeatureTwoComponent
 import com.ysfcyln.feature_two.di.FeatureTwoComponentProvider
 
-interface SubComponents: MainComponentProvider, FeatureOneComponentProvider, FeatureTwoComponentProvider {
+interface SubComponents: MainComponentProvider, FeatureOneComponentProvider, FeatureTwoComponentProvider,
+FeatureThreeComponentProvider {
 
     override fun provideMainComponent(): MainComponent {
         return DiProvider.appComponent().mainComponent().create()
@@ -20,4 +23,8 @@ interface SubComponents: MainComponentProvider, FeatureOneComponentProvider, Fea
     override fun provideFeatureTwoComponent(): FeatureTwoComponent {
         return DiProvider.appComponent().featureTwoComponent().create()
     }
+
+    override fun provideFeatureThreeComponent(): FeatureThreeComponent {
+        return DiProvider.appComponent().featureThreeComponent().create()
+    }
 }

app/src/main/java/com/ysfcyln/daggermultimodule/di/SubComponentsModule.kt

@@ -2,6 +2,7 @@ package com.ysfcyln.daggermultimodule.di
 
 import com.ysfcyln.daggermultimodule.di.main.MainComponent
 import com.ysfcyln.feature_one.di.FeatureOneComponent
+import com.ysfcyln.feature_three.di.FeatureThreeComponent
 import com.ysfcyln.feature_two.di.FeatureTwoComponent
 import dagger.Module
 
@@ -12,7 +13,8 @@ import dagger.Module
     subcomponents = [
         MainComponent::class,
         FeatureOneComponent::class,
-        FeatureTwoComponent::class
+        FeatureTwoComponent::class,
+        FeatureThreeComponent::class
     ]
 )
 class SubComponentsModule {

feature-three/.gitignore

@@ -0,0 +1 @@
+/build

feature-three/build.gradle

@@ -0,0 +1,45 @@
+apply plugin: 'com.android.library'
+apply plugin: 'kotlin-android'
+apply plugin: 'kotlin-android-extensions'
+apply plugin: 'kotlin-kapt'
+
+android {
+    compileSdkVersion 29
+    buildToolsVersion "29.0.2"
+
+    defaultConfig {
+        minSdkVersion 21
+        targetSdkVersion 29
+        versionCode 1
+        versionName "1.0"
+
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+        consumerProguardFiles 'consumer-rules.pro'
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+
+}
+
+dependencies {
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+
+    implementation project(":base")
+
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+    implementation 'androidx.appcompat:appcompat:1.1.0'
+    implementation 'androidx.core:core-ktx:1.2.0'
+    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
+    testImplementation 'junit:junit:4.12'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.1'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
+
+    // Dagger dependencies
+    implementation "com.google.dagger:dagger:$daggerVersion"
+    kapt "com.google.dagger:dagger-compiler:$daggerVersion"
+}

feature-three/consumer-rules.pro

@@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

feature-three/proguard-rules.pro

@@ -0,0 +1,24 @@
+package com.ysfcyln.feature_three
+
+import androidx.test.platform.app.InstrumentationRegistry
+import androidx.test.ext.junit.runners.AndroidJUnit4
+
+import org.junit.Test
+import org.junit.runner.RunWith
+
+import org.junit.Assert.*
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+@RunWith(AndroidJUnit4::class)
+class ExampleInstrumentedTest {
+    @Test
+    fun useAppContext() {
+        // Context of the app under test.
+        val appContext = InstrumentationRegistry.getInstrumentation().targetContext
+        assertEquals("com.ysfcyln.feature_three.test", appContext.packageName)
+    }
+}

feature-three/src/androidTest/java/com/ysfcyln/feature_three/ExampleInstrumentedTest.kt

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.ysfcyln.feature_three">
+
+    <application>
+        <activity android:name=".FeatureThreeActivity"></activity>
+    </application>
+
+</manifest>

feature-three/src/main/AndroidManifest.xml

@@ -0,0 +1,39 @@
+package com.ysfcyln.feature_three
+
+import androidx.appcompat.app.AppCompatActivity
+import android.os.Bundle
+import android.util.Log
+import com.ysfcyln.base.DatabaseService
+import com.ysfcyln.base.NetworkService
+import com.ysfcyln.feature_three.di.FeatureThreeComponentProvider
+import javax.inject.Inject
+
+class FeatureThreeActivity : AppCompatActivity() {
+
+    @Inject
+    lateinit var databaseService: DatabaseService
+
+    @Inject
+    lateinit var networkService: NetworkService
+
+    @Inject
+    lateinit var featureThreeObject: FeatureThreeObject
+
+    /**
+     * Create component and inject
+     */
+    private fun inject() {
+        // When rotation happens component and its dependencies recreated :(
+        val featureThreeComponent = (application as FeatureThreeComponentProvider).provideFeatureThreeComponent()
+        featureThreeComponent.inject(this)
+    }
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        inject()
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_feature_three)
+        Log.d("FeatureThreeActivity", databaseService.toString())
+        Log.d("FeatureThreeActivity", networkService.toString())
+        Log.d("FeatureThreeActivity", featureThreeObject.toString())
+    }
+}

feature-three/src/main/java/com/ysfcyln/feature_three/FeatureThreeActivity.kt

@@ -0,0 +1,4 @@
+package com.ysfcyln.feature_three
+
+class FeatureThreeObject {
+}

feature-three/src/main/java/com/ysfcyln/feature_three/FeatureThreeObject.kt

@@ -0,0 +1,21 @@
+package com.ysfcyln.feature_three.di
+
+import com.ysfcyln.feature_three.FeatureThreeActivity
+import dagger.Subcomponent
+
+@Subcomponent(
+    modules = [
+        // Bounded feature three activity necessary modules comes here
+        FeatureThreeModule::class
+    ]
+)
+interface FeatureThreeComponent {
+
+    @Subcomponent.Factory
+    interface Factory {
+        fun create() : FeatureThreeComponent
+    }
+
+    fun inject(featureThreeActivity: FeatureThreeActivity) // Add feature three activity to Dagger graph
+
+}

feature-three/src/main/java/com/ysfcyln/feature_three/di/FeatureThreeComponent.kt

@@ -0,0 +1,7 @@
+package com.ysfcyln.feature_three.di
+
+interface FeatureThreeComponentProvider {
+
+    fun provideFeatureThreeComponent() : FeatureThreeComponent
+
+}

feature-three/src/main/java/com/ysfcyln/feature_three/di/FeatureThreeComponentProvider.kt

@@ -0,0 +1,13 @@
+package com.ysfcyln.feature_three.di
+
+import com.ysfcyln.feature_three.FeatureThreeObject
+import dagger.Module
+import dagger.Provides
+
+@Module
+class FeatureThreeModule {
+
+    @Provides
+    fun provideFeatureThreeObject() = FeatureThreeObject()
+
+}

feature-three/src/main/java/com/ysfcyln/feature_three/di/FeatureThreeModule.kt

@@ -0,0 +1,9 @@
+<?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=".FeatureThreeActivity">
+
+</androidx.constraintlayout.widget.ConstraintLayout>

feature-three/src/main/res/layout/activity_feature_three.xml

@@ -0,0 +1 @@
+<resources></resources>

feature-three/src/main/res/values/strings.xml

@@ -0,0 +1,17 @@
+package com.ysfcyln.feature_three
+
+import org.junit.Test
+
+import org.junit.Assert.*
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+class ExampleUnitTest {
+    @Test
+    fun addition_isCorrect() {
+        assertEquals(4, 2 + 2)
+    }
+}

feature-three/src/test/java/com/ysfcyln/feature_three/ExampleUnitTest.kt

@@ -30,6 +30,7 @@ dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar'])
 
     implementation project(":base")
+    implementation project(":feature-three")
 
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
     implementation 'androidx.appcompat:appcompat:1.1.0'

feature-two/build.gradle

@@ -1,11 +1,15 @@
 package com.ysfcyln.feature_two
 
+import android.content.Intent
 import androidx.appcompat.app.AppCompatActivity
 import android.os.Bundle
 import android.util.Log
 import com.ysfcyln.base.DatabaseService
 import com.ysfcyln.base.NetworkService
+import com.ysfcyln.feature_three.FeatureThreeActivity
+import com.ysfcyln.feature_three.FeatureThreeObject
 import com.ysfcyln.feature_two.di.FeatureTwoComponentProvider
+import kotlinx.android.synthetic.main.activity_feature_two.*
 import javax.inject.Inject
 
 class FeatureTwoActivity : AppCompatActivity() {
@@ -19,6 +23,9 @@ class FeatureTwoActivity : AppCompatActivity() {
     @Inject
     lateinit var featureTwoObject: FeatureTwoObject
 
+    @Inject
+    lateinit var featureThreeObject: FeatureThreeObject // Shared dependency
+
     /**
      * Create component and inject
      */
@@ -35,5 +42,17 @@ class FeatureTwoActivity : AppCompatActivity() {
         Log.d("FeatureTwoActivity", databaseService.toString())
         Log.d("FeatureTwoActivity", networkService.toString())
         Log.d("FeatureTwoActivity", featureTwoObject.toString())
+        Log.d("FeatureTwoActivity", featureThreeObject.toString())
+
+        clickListeners()
+    }
+
+    /**
+     * View click listeners
+     */
+    private fun clickListeners() {
+        btnFeatureThree.setOnClickListener {
+            startActivity(Intent(this, FeatureThreeActivity::class.java))
+        }
     }
 }

feature-two/src/main/java/com/ysfcyln/feature_two/FeatureTwoActivity.kt

@@ -1,10 +1,15 @@
 package com.ysfcyln.feature_two.di
 
+import com.ysfcyln.feature_three.di.FeatureThreeModule
 import com.ysfcyln.feature_two.FeatureTwoObject
 import dagger.Module
 import dagger.Provides
 
-@Module
+@Module(
+    includes = [
+        FeatureThreeModule::class
+    ]
+)
 class FeatureTwoModule {
 
     @Provides

feature-two/src/main/java/com/ysfcyln/feature_two/di/FeatureTwoModule.kt

@@ -6,4 +6,16 @@
     android:layout_height="match_parent"
     tools:context=".FeatureTwoActivity">
 
+    <Button
+        android:id="@+id/btnFeatureThree"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="Open Feature Three!"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintRight_toRightOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        android:textSize="14sp"
+        android:textColor="@android:color/black"/>
+
 </androidx.constraintlayout.widget.ConstraintLayout>

feature-two/src/main/res/layout/activity_feature_two.xml

@@ -3,3 +3,4 @@ include ':app'
 include ':base'
 include ':feature-one'
 include ':feature-two'
+include ':feature-three'