apply plugin: 'com.android.application' apply plugin: 'com.google.protobuf' android { compileSdkVersion 23 buildToolsVersion "25.0.2" defaultConfig { applicationId "io.grpc.routeguideexample" minSdkVersion 23 targetSdkVersion 23 versionCode 1 versionName "1.0" } buildTypes { release { minifyEnabled false proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' } } lintOptions { disable 'InvalidPackage' } } protobuf { protoc { artifact = 'com.google.protobuf:protoc:3.4.0' } plugins { javalite { artifact = "com.google.protobuf:protoc-gen-javalite:3.0.0" } grpc { artifact = 'io.grpc:protoc-gen-grpc-java:1.7.0-SNAPSHOT' // CURRENT_GRPC_VERSION } } generateProtoTasks { all().each { task -> task.plugins { javalite {} grpc { // Options added to --grpc_out option 'lite' } } } } } dependencies { compile 'com.android.support:appcompat-v7:23.+' // You need to build grpc-java to obtain these libraries below. compile 'io.grpc:grpc-okhttp:1.7.0-SNAPSHOT' // CURRENT_GRPC_VERSION compile 'io.grpc:grpc-protobuf-lite:1.7.0-SNAPSHOT' // CURRENT_GRPC_VERSION compile 'io.grpc:grpc-stub:1.7.0-SNAPSHOT' // CURRENT_GRPC_VERSION compile 'javax.annotation:javax.annotation-api:1.2' }