.travis.yml

language: java
install:
  # Download and unzip the Android SDK tools (if not already there thanks to the cache mechanism)
  # Latest version available here: https://developer.android.com/studio/#command-tools
  - if test ! -e $HOME/android-sdk-dl/sdk-tools.zip ; then curl https://dl.google.com/android/repository/sdk-tools-linux-4333796.zip > $HOME/android-sdk-dl/sdk-tools.zip ; fi
  - unzip -qq -n $HOME/android-sdk-dl/sdk-tools.zip -d $HOME/android-sdk

  # Install or update Android SDK components (will not do anything if already up to date thanks to the cache mechanism)
  - echo y | $HOME/android-sdk/tools/bin/sdkmanager 'tools' > /dev/null
  - echo y | $HOME/android-sdk/tools/bin/sdkmanager 'platform-tools' > /dev/null
  - echo y | $HOME/android-sdk/tools/bin/sdkmanager 'build-tools;28.0.3' > /dev/null
  - echo y | $HOME/android-sdk/tools/bin/sdkmanager 'platforms;android-28' > /dev/null
  - echo y | $HOME/android-sdk/tools/bin/sdkmanager 'extras;google;m2repository' > /dev/null
  - echo y | $HOME/android-sdk/tools/bin/sdkmanager 'extras;m2repository;com;android;support;constraint;constraint-layout;1.0.2' > /dev/null

cache:
  directories:
    # Android SDK
    - $HOME/android-sdk-dl
    - $HOME/android-sdk

env:
  - ANDROID_HOME=$HOME/android-sdk

script:
  - mvn install