anchor.diff:  RUN yes | sdkmanager --licenses
   
   # Platform tools
  -RUN sdkmanager "platform-tools"
  -
  -# Emulator
  -# RUN sdkmanager "emulator"
  -# For now we'll keep using 26.1.2 ; 26.1.3 had some booting issues...
  -RUN cd /opt \
  - && wget https://dl.google.com/android/repository/emulator-linux-4077558.zip -O emulator.zip \
  - && unzip -q emulator.zip -d ${ANDROID_HOME} \
  - && rm emulator.zip
  +RUN sdkmanager "emulator" "tools" "platform-tools"
   
   # SDKs
   # Please keep these in descending order!
  
positive.code: # Required for Android ARM Emulator
  RUN DEBIAN_FRONTEND=noninteractive apt-get install -y libqt5widgets5
  ENV QT_QPA_PLATFORM offscreen
  ENV LD_LIBRARY_PATH ${LD_LIBRARY_PATH}:${ANDROID_HOME}/tools/lib64
  
  
  # ------------------------------------------------------
  
negative.code:     "build-tools;21.1.2" \
      "build-tools;19.1.0" \
      "build-tools;17.0.0" \
      "system-images;android-26;google_apis;x86" \
      "system-images;android-25;google_apis;armeabi-v7a" \
      "system-images;android-24;default;armeabi-v7a" \
      "system-images;android-22;default;armeabi-v7a" \
  