Android Testing from Android Dev Summit 2015

app_build.gradle

android {
    compileSdkVersion rootProject.ext.compileSdkVersion
    buildToolsVersion rootProject.ext.buildToolsVersion

    defaultConfig {
        applicationId "up1.somkiatcc"
        minSdkVersion rootProject.ext.minSdkVersion
        targetSdkVersion rootProject.ext.targetSdkVersion
        versionCode 1
        versionName "1.0"

        testInstrumentationRunner 'android.support.test.runner.AndroidJUnitRunner'
    }
  }
  
  dependencies {
    // App's dependencies, including test
    compile "com.android.support:appcompat-v7:$rootProject.supportLibraryVersion"
    compile "com.android.support:cardview-v7:$rootProject.supportLibraryVersion"
    compile "com.android.support:design:$rootProject.supportLibraryVersion"
    compile "com.android.support:recyclerview-v7:$rootProject.supportLibraryVersion"
    compile "com.android.support:support-v4:$rootProject.supportLibraryVersion"
    compile "com.google.guava:guava:$rootProject.guavaVersion"
    compile "com.github.bumptech.glide:glide:$rootProject.glideVersion"
    compile "com.android.support.test.espresso:espresso-idling-resource:$rootProject.ext.espressoVersion"

    // Dependencies for local unit tests
    testCompile "junit:junit:$rootProject.ext.junitVersion"
    testCompile "org.mockito:mockito-all:$rootProject.ext.mockitoVersion"
    testCompile "org.hamcrest:hamcrest-all:$rootProject.ext.hamcrestVersion"
    testCompile "org.powermock:powermock-module-junit4:$rootProject.ext.powerMockito"
    testCompile "org.powermock:powermock-api-mockito:$rootProject.ext.powerMockito"

    // Android Testing Support Library's runner and rules
    androidTestCompile "com.android.support.test:runner:$rootProject.ext.runnerVersion"
    androidTestCompile "com.android.support.test:rules:$rootProject.ext.runnerVersion"

    // Espresso UI Testing dependencies.
    androidTestCompile "com.android.support.test.espresso:espresso-core:$rootProject.ext.espressoVersion"
    androidTestCompile "com.android.support.test.espresso:espresso-contrib:$rootProject.ext.espressoVersion"
    androidTestCompile "com.android.support.test.espresso:espresso-intents:$rootProject.ext.espressoVersion"
}

BlogServiceAPI.java

public interface BlogServiceAPI {

    void getAllBlogs();
    void getBlog();

}

CallInjection.java

public void callAPI(View view) {
  Injection injection = new Injection();
  injection.getBlogService().getAllBlogs(this);
}

root_build.gradle

ext {
    // Sdk and tools
    minSdkVersion = 10
    targetSdkVersion = 22
    compileSdkVersion = 23
    buildToolsVersion = '23.0.2'

    // App dependencies
    supportLibraryVersion = '23.1.1'
    guavaVersion = '18.0'
    glideVersion = '3.6.1'
    junitVersion = '4.12'
    mockitoVersion = '1.10.19'
    powerMockito = '1.6.2'
    hamcrestVersion = '1.3'
    runnerVersion = '0.4.1'
    rulesVersion = '0.4.1'
    espressoVersion = '2.2.1'

}