Continuous integration

.travis.yml

@@ -0,0 +1,19 @@
+language: android
+android:
+  components:
+    - android-28
+    - build-tools-27.0.3
+
+env:
+  global:
+   # install timeout in minutes (2 minutes by default)
+    - ADB_INSTALL_TIMEOUT=8
+
+# Run assemble, unit tests, and create coverage report
+script:
+  - ./gradlew clean assembleDebug assembleRelease testDebug createDebugUnitTestCoverageReport
+  # Renaming folder and files of reports so codecov.io can find it
+  - mv app/build/reports/jacoco/createDebugUnitTestCoverageReport app/build/reports/jacoco/jacocoTestDebugUnitTestReport
+  - mv app/build/reports/jacoco/jacocoTestDebugUnitTestReport/createDebugUnitTestCoverageReport.xml app/build/reports/jacoco/jacocoTestDebugUnitTestReport/jacocoTestDebugUnitTestReport.xml
+  # Codecov.io
+  - bash <(curl -s https://codecov.io/bash)

app/build.gradle

@@ -2,6 +2,7 @@ apply plugin: 'com.android.application'
 apply plugin: 'kotlin-android'
 apply plugin: 'kotlin-android-extensions'
 apply plugin: 'kotlin-kapt'
+apply plugin: 'jacoco-android'
 
 android {
     compileSdkVersion 28
@@ -76,3 +77,70 @@ dependencies {
     // Android Arch Core Testing
     testImplementation 'android.arch.core:core-testing:1.1.1'
 }
+
+project.afterEvaluate {
+    //Gather build type and product flavor names in a list
+    def buildTypes = android.buildTypes.collect { type -> type.name }
+    def productFlavors = android.productFlavors.collect { flavor -> flavor.name }
+    if (!productFlavors) productFlavors.add('')
+
+    productFlavors.each { productFlavorName ->
+        buildTypes.each { buildTypeName ->
+
+            //Define the sourceName and the sourcePath.
+            def sourceName, sourcePath
+            if (!productFlavorName) {
+                sourceName = sourcePath = "${buildTypeName}"
+            } else {
+                sourceName = "${productFlavorName}${buildTypeName.capitalize()}"
+                sourcePath = "${productFlavorName}/${buildTypeName}"
+            }
+
+            def testTaskName = "test${sourceName.capitalize()}UnitTest"
+
+            task "create${sourceName.capitalize()}UnitTestCoverageReport"(type: JacocoReport, dependsOn: "$testTaskName") {
+
+                group = "Reporting"
+                description =
+                        "Generate Jacoco coverage reports on the ${sourceName.capitalize()} build."
+
+                reports {
+                    xml.enabled true
+                    html.enabled true
+                }
+
+                //Directory where the compiled class files are
+                classDirectories =
+                        fileTree(dir: "${project.buildDir}/tmp/kotlin-classes/${sourcePath}",
+                                excludes: ['**/R.class',
+                                           '**/BR.class',
+                                           // Remove Activity and application as they are dependent to Context
+                                           '**/*Activity.class',
+                                           '**/net/gahfy/mvvmposts/injection/ViewModelFactory.class',
+                                           // Remove View Utils
+                                           '**/net/gahfy/mvvmposts/utils/extension/ViewExtension.class',
+                                           '**/net/gahfy/mvvmposts/utils/BindingAdapters.class',
+                                           '**/R$*.class',
+                                           '**/*$ViewInjector*.*',
+                                           '**/*$ViewBinder*.*',
+                                           '**/BuildConfig.*',
+                                           'android/**',
+                                           '**/Manifest*.*',
+                                           '**/*$Lambda$*.*', // Jacoco can not handle several "$" in class name.
+                                           '**/*Module.*', // Modules for Dagger.
+                                           '**/*Dagger*.*', // Dagger auto-generated code.
+                                           '**/*MembersInjector*.*', // Dagger auto-generated code.
+                                           '**/*_Provide*Factory*.*',
+                                           '**/*_Factory.*', //Dagger auto-generated code
+                                           '**/*$*$*.*' // Anonymous classes generated by kotlin
+                                ])
+
+                sourceDirectories = files(["src/main/kotlin",
+                                           "src/$productFlavorName/kotlin",
+                                           "src/$buildTypeName/kotlin"])
+
+                executionData = files("${project.buildDir}/jacoco/${testTaskName}.exec")
+            }
+        }
+    }
+}

build.gradle

@@ -15,7 +15,7 @@ buildscript {
     dependencies {
         classpath 'com.android.tools.build:gradle:3.1.3'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
-
+        classpath 'com.dicedmelon.gradle:jacoco-android:0.1.2'
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
     }

readme.MD

@@ -0,0 +1 @@
+[![Build Status](https://travis-ci.org/gahfy/MVVMPosts.svg?branch=continuous_integration)](https://travis-ci.org/gahfy/MVVMPosts) [![Codecov](https://codecov.io/github/gahfy/MVVMPosts/coverage.svg?branch=continuous_integration)](https://codecov.io/gh/gahfy/MVVMPosts)