Docker Android Build Box

Introduction

An optimized Docker image that includes the Android SDK and Flutter SDK.

What Is Inside

It includes the following components:

Ubuntu 20.04
Java (OpenJDK)
- 1.8
- 11
Android SDKs for platforms:
- 26
- 27
- 28
- 29
- 30
- 31
Android build tools:
- 26.0.0 26.0.1 26.0.2
- 27.0.1 27.0.2 27.0.3
- 28.0.1 28.0.2 28.0.3
- 29.0.2 29.0.3
- 30.0.0 30.0.2 30.0.3
- 31.0.0
Android NDK (always the latest version, side-by-side install)
Android bundletool
Android Emulator
cmake
TestNG
Python 3.8.10
Node.js 14, npm, React Native
Ruby, RubyGems
fastlane
Flutter 2.10.3
jenv

Pull Docker Image

The docker image is a publicly automated build on Docker Hub based on the Dockerfile in this repo, so there is no hidden stuff in it. To pull the latest docker image:

docker pull mingc/android-build-box:latest

Hint: You can use a tag to a specific stable version, rather than latest of docker image, to avoid breaking your build. e.g. mingc/android-build-box:1.22.0. Take a look at the Tags section, at the bottom of this page, to see all the available tags.

Usage

Use the image to build an Android project

You can use this docker image to build your Android project with a single docker command:

cd <android project directory>  # change working directory to your project root directory.
docker run --rm -v `pwd`:/project mingc/android-build-box bash -c 'cd /project; ./gradlew build'

To build .aab bundle release, use ./gradlew bundleRelease:

cd <android project directory>  # change working directory to your project root directory.
docker run --rm -v `pwd`:/project mingc/android-build-box bash -c 'cd /project; ./gradlew bundleRelease'

Run docker image with interactive bash shell:

docker run -v `pwd`:/project -it mingc/android-build-box bash

Add the following arguments to the docker command to cache the home gradle folder:

-v "$HOME/.dockercache/gradle":"/root/.gradle"

e.g.

docker run --rm -v `pwd`:/project  -v "$HOME/.dockercache/gradle":"/root/.gradle"   mingc/android-build-box bash -c 'cd /project; ./gradlew build'

Build an Android project with Bitbucket Pipelines

If you have an Android project in a Bitbucket repository and want to use the pipeline feature to build it, you can simply specify this docker image. Here is an example of bitbucket-pipelines.yml:

image: mingc/android-build-box:latest

pipelines:
  default:
    - step:
        caches:
          - gradle
          - gradle-wrapper
          - android-emulator
        script:
          - bash ./gradlew assemble
definitions:
  caches:
    gradle-wrapper: ~/.gradle/wrapper
    android-emulator: $ANDROID_HOME/system-images/android-21

The caches are used to store downloaded dependencies from previous builds, to speed up the next builds.

Build a Flutter project with Github Actions

Here is an example .github/workflows/main.yml to build a Flutter project with this docker image:

name: CI

on: [push]

jobs:
  build:

    runs-on: ubuntu-18.04
    container: mingc/android-build-box:latest

    steps:
    - uses: actions/checkout@v2
    - uses: actions/cache@v1
      with:
        path: /root/.gradle/caches
        key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle') }}
        restore-keys: |
          ${{ runner.os }}-gradle-
    - name: Build
      run: |
        echo "Work dir: $(pwd)"
        echo "User: $(whoami)"
        flutter --version
        flutter analyze
        flutter build apk
    - name: Archive apk
      uses: actions/upload-artifact@v1
      with:
        name: apk
        path: build/app/outputs/apk
    - name: Test
      run: flutter test
    - name: Clean build to avoid action/cache error
      run: rm -fr build

Run an Android emulator in the Docker build machine

Using guidelines from...

...You can write a script to create and launch an ARM emulator, which can be used for running integration tests or instrumentation tests or unit tests:

#!/bin/bash

# Arm emulators can be quite slow. For this reason it is convenient
# to increase the adb timeout to avoid errors.
export ADB_INSTALL_TIMEOUT=30

# Download an ARM system image to create an ARM emulator.
sdkmanager "system-images;android-22;default;armeabi-v7a"

# Create an ARM AVD emulator, with a 100 MB SD card storage space. Echo "no"
# because it will ask if you want to use a custom hardware profile, and you don't.
# https://medium.com/@AndreSand/android-emulator-on-docker-container-f20c49b129ef
echo "no" | avdmanager create avd \
    -n Android_5.1_API_22 \
    -k "system-images;android-22;default;armeabi-v7a" \
    -c 100M \
    --force

# Launch the emulator in the background
$ANDROID_HOME/emulator/emulator -avd Android_5.1_API_22 -no-skin -no-audio -no-window -no-boot-anim -gpu off &

# Note: You will have to add a suitable time delay, to wait for the emulator to launch.

Note that x86_64 emulators are not currently supported. See Issue #18 for details.

Choose the system Java version

Both Java 1.8 and Java 11 are installed.

docker-android-build-box version	Date released	Java version available
1.19 and below	2 July 2020 and earlier	Java 8 installed only
1.20 - 1.23	7 August 2020 - 23 Sept 2021	Both Java 8 and Java 11 installed. The default is Java 8.
1.23.1	28 September 2021	Both Java 8 and Java 11 installed. The default is Java 11.

Use update-alternatives to switch java version.

List all the available java paths:

# update-alternatives --list java
/usr/lib/jvm/java-11-openjdk-arm64/bin/java
/usr/lib/jvm/java-8-openjdk-arm64/jre/bin/java

Switch current java version to Java 8:

# update-alternatives --set java /usr/lib/jvm/java-8-openjdk-arm64/jre/bin/java
update-alternatives: using /usr/lib/jvm/java-8-openjdk-arm64/jre/bin/java to provide /usr/bin/java (java) in manual mode
root@9b816ba2e3cb:/project# java -version
openjdk version "1.8.0_312"
OpenJDK Runtime Environment (build 1.8.0_312-8u312-b07-0ubuntu1~20.04-b07)
OpenJDK 64-Bit Server VM (build 25.312-b07, mixed mode)

Switch current java version to Java 11:

# update-alternatives --set java /usr/lib/jvm/java-11-openjdk-arm64/bin/java
update-alternatives: using /usr/lib/jvm/java-11-openjdk-arm64/bin/java to provide /usr/bin/java (java) in manual mode
root@9b816ba2e3cb:/project# java -version
openjdk version "11.0.14" 2022-01-18
OpenJDK Runtime Environment (build 11.0.14+9-Ubuntu-0ubuntu2.20.04)
OpenJDK 64-Bit Server VM (build 11.0.14+9-Ubuntu-0ubuntu2.20.04, mixed mode)

Build the Docker Image

If you want to build the docker image by yourself, you can use following command. The image itself is around 5 GB, so check your free disk space before building it.

docker build -t android-build-box .

1.24.0

PR #76: Tidy up to reduce image size @ozmium

1.23.1

Remove JDK 16, Android build not support JDK 16 yet.

1.23.0

NOTE: missed this tag in DockerHub due to a github action error, should use 1.23.1 instead.

Upgrade Flutter 2.2.0 to 2.5.1
PR #71: Ubuunt 20.04, JDK 16, gradle 7.2 @sedwards
Fix #57: Correct repositories.cfg path
Add jenv to choose java version

1.22.0

Upgrade Nodejs from 12.x to 14.x
Push image to docker hub from github action directly.

1.21.1

Update dockerhub build hook.

1.21.0

Upgrade Flutter to 2.2.0
CI switched from travis-ci to Github Action.
PR #63: Add cache gradle to README @dewijones92
PR #62: Make the Android SDK directory writeable @DanDevine
Fix #60: Remove BUNDLE_GEMFILE env.
PR #59: Fix #58: Updated README: Run emulator with ADB_INSTALL_TIMEOUT @felHR85

1.20.0

Upgrade Flutter to 1.22.0
Upgrade NDK to r21d

1.19.0

PR #50: Remove all the "extras" items of local libraries in the Android SDK @ozmium
Fix #48: Add timezone setting

1.18.0

Add platform sdk 30 and build build 30.0.0
PR #47: Remove old Build Tools (versions 24-17), and old Android Platform versions (versions 24-16), and old Google APIs (versions 24-16) @ozmium

1.17.0

Add build-tools;29.0.3

1.16.0

Upgrade Flutter to 1.17.1.

1.15.0

PR #41: Update Dockerfile to install Yarn, fastlane using bundler. @mayankkapoor

1.14.0

Upgrade NDK to r21.
Upgrade nodejs to 12.x.

1.13.0

Upgrade flutter to v1.12.13+hotfix.8.

1.12.0

Add bundler for fastlane.

1.11.2

Fix #34: Add android sdk level 29 license.

1.11.1

Add file, less and tiny-vim

1.11.0

Upgrade NDK from r19 to r20.

1.10.0

Upgrade Flutter from 1.2.1 to 1.5.4.

1.9.0

Upgrade Ubuntu from 17.10 to 18.04.

1.8.0

Upgrade Flutter from 1.0.0 to 1.2.1.

1.7.0

Upgrade ndk from 18b to 19.

1.6.0

Upgrade nodejs from 8.x to 10.x

1.5.1

Do not send flutter analytics

1.5.0

Add Flutter 1.0

1.4.0

Add kotlin 1.3 support.

1.3.0

PR #21: Update sdk to 28.

1.2.0

PR #17: Update sdk to 27.
PR #20: Fix issue #18 Remove pre-installed x86_64 emulator. Explain how to create and launch an ARM emulator.

1.1.2

Fix License for package not accepted issue

1.1.1

Fix environment variable concatenation

1.1.0

Update to latest sdk 25.2.3 and ndk 13b; add build tools 21.1.2 22.0.1 23.0.1 23.0.2 23.0.3 24 24.0.1 24.0.2 24.0.3 25 25.0.1 25.0.2 25.2.3
nodejs 7.x and react-native support
fastlane support

1.0.0

Initial release
Android SDK 16,17,18,19.20,21,22,23,24
Android build tool 24.0.2
Android NDK r13
extra-android-m2repository
extra-google-google_play_services
extra-google-m2repository

Contribution

If you want to enhance this docker image or fix something, feel free to send pull request.

Name		Name	Last commit message	Last commit date
Latest commit History 265 Commits
.github/workflows		.github/workflows
hooks		hooks
sdk/licenses		sdk/licenses
test_projects/SampleProject		test_projects/SampleProject
.travis.yml		.travis.yml
Dockerfile		Dockerfile
Gemfile		Gemfile
LICENSE		LICENSE
README.md		README.md

License

the-hw-app/docker-android-build-box

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