Coverage Report Says Android Zero Coverage Using Gradle

Question

I was unable to get code coverage to work on any of my Android projects.

To simplify things, I created a new project (selected empty asset). Added a new utility class for the project in src / main / java.

Then I created a unit test for it in src / androidTest / java.

Updated gradle file to include coverage.

apply plugin: 'com.android.application' android { compileSdkVersion 21 buildToolsVersion "21.1.2" defaultConfig { applicationId "com.example.michaelkrussel.coverageapp" minSdkVersion 15 targetSdkVersion 21 versionCode 1 versionName "1.0" } jacoco { version "0.7.1.201405082137" } buildTypes { release { minifyEnabled false proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' } debug { testCoverageEnabled true } } } dependencies { compile fileTree(dir: 'libs', include: ['*.jar']) compile 'com.android.support:appcompat-v7:21.0.3' } 

I ran tests and then used. / gradlew createDebugCoverageReport. unit test shows that the test I created passed, but the coverage report reports zero coverage.

I assume that I either missed something in the gradle file or did not complete the correct gradle task, but I can’t understand what.

Answer 1

I use this configuration in my project and work great!

 apply plugin: 'com.android.application' android { compileSdkVersion 21 buildToolsVersion "21.1.1" defaultConfig { applicationId "br.com.acs.app" minSdkVersion 18 targetSdkVersion 21 versionCode 1 versionName "1.0" testApplicationId "br.com.acs.app.test" testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner" } buildTypes { release { minifyEnabled false proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' } debug { testCoverageEnabled true } } packagingOptions { exclude 'LICENSE.txt' } } dependencies { compile fileTree(dir: 'libs', include: ['*.jar']) compile 'com.android.support:appcompat-v7:21.0.3' androidTestCompile 'junit:junit:4.11' androidTestCompile('com.android.support.test:testing-support-lib:0.1') { exclude group: 'junit' } }