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This page describes how to set up a development environment to build Robolectric in the supported OSs (Linux, Mac, Windows).
JDK 11 is currently recommended to build Robolectric. Newer versions of the JDK (e.g. 17) will likely work, but may contain some rough edges.
Installing Android SDK Tools
The first step is to install the Android SDK tools. The easiest way to do this is to install Android Studio, which also installs a copy of the Android SDK tools, and provides the SDK Manager UI to manage SDK versions. Alternatively is also possible to only download the Android command line tools without installing the entire Android Studio. However, it is recommended to install Android Studio if possible. Visit https://developer.android.com/studio#download to get started.
Many of Robolectric’s integration tests require the Android build tools to be installed and specific SDK versions to be installed.
This section contains instructions for an Ubuntu Linux system. Other Linux systems will have different package management commands.
# Install prerequisites sudo apt-get update sudo apt-get install git default-jdk openjdk-11-jdk clang make cmake ninja-build git clone --recurse-submodules https://github.com/robolectric/robolectric.git # If you forgot --recurse-submodules, you can also run `git submodule update --init --recursive` from the 'robolectric' directory. cd robolectric ./gradlew clean assemble
Install XCode command line tools
In order to get the C/C++ toolchain, you will need to install the XCode command line tools. To do this it is usually as simple as opening
a terminal and running
Install JDK 11
By default Mac does not come with a JDK. It is recommended to use Azul, as they support the M1 architecture.
To build Robolectric on a Mac, homebrew is required.
brew install cmake ninja git clone --recurse-submodules https://github.com/robolectric/robolectric.git cd robolectric ./gradlew clean assemble
Install JDK 11
By default Windows does not come with a JDK. It is recommended to install Adoptium Temurin 11.
Install msys2 64 bit
Install the 64 bit version of msys2. You can follow the instructions at https://www.msys2.org.
Open an msys2 terminal by running the “MSYS2 MinGW x64” shortcut. This will ensure that
/mingw64/bin is on the PATH.
pacman -Syu # Update system pacman -Sy base-devel mingw-w64-x86_64-toolchain # Install the ming-w64-x86_64 package group pacman -Sy git mingw-w64-x86_64-cmake mingw-w64-x86_64-ninja git clone --recurse-submodules https://github.com/robolectric/robolectric.git export ANDROID_SDK_ROOT=/c/Users/$USER/AppData/Local/Android/Sdk export JAVA_HOME=/c/Program\ Files/Eclipse\ Adoptium/jdk-188.8.131.52-hotspot # Will likely be a different version on your machine ./gradlew clean assemble