anchor.diff:  RUN /opt/tools/android-accept-licenses.sh "$ANDROID_HOME/tools/bin/sdkmanager \
   	tools \
   	\"platform-tools\" \
  -	\"build-tools;23.0.1\" \
  -	\"build-tools;23.0.3\" \
  -	\"build-tools;25.0.1\" \
  -	\"build-tools;25.0.2\" \
  +	\"build-tools;25.0.3\" \
   	\"platforms;android-23\" \
   	\"platforms;android-25\" \
  +	\"platforms;android-26\" \
   	\"extras;android;m2repository\" \
   	\"extras;google;m2repository\" \
   	\"add-ons;addon-google_apis-google-24\" \
  
positive.code: # https://github.com/facebook/react-native/blob/8c7b32d5f1da34613628b4b8e0474bc1e185a618/ContainerShip/Dockerfile.android-base
  
  # set default build arguments
  ARG ANDROID_VERSION=25.2.3
  ENV NPM_CONFIG_LOGLEVEL info
  ENV NODE_VERSION 6.10.1
  
  # set default environment variables
  ENV ADB_INSTALL_TIMEOUT=10
  ENV PATH=${PATH}:/opt/buck/bin/
  ENV ANDROID_HOME=/opt/android
  ENV ANDROID_SDK_HOME=${ANDROID_HOME}
  ENV PATH=${PATH}:${ANDROID_HOME}/tools:${ANDROID_HOME}/platform-tools
  
  # install system dependencies
  RUN apt-get update -y && \
  
negative.code: # gpg keys listed at https://github.com/nodejs/node#release-team
  RUN set -ex \
  	&& for key in \
  		94AE36675C464D64BAFA68DD7434390BDBE9B9C5 \
  		FD3A5288F042B6850C66B31F09FE44734EB7990E \
  		71DCFD284A79C3B38668286BC97EC7A07EDE3FC1 \
  		DD8F2338BAE7501E3DD5AC78C273792F7D83545D \
  		C4F0DFFF4E8C1A8236409D08E73BC641CC11F4C8 \
  		B9AE9905FFD7803F25714661B63B535A4C206CA9 \
  		56730D5401028683275BD23C23EFEFE93C4CFFFE \
  		77984A986EBC2AA786BC0F66B01FBB92821C587A \
  	; do \
  		gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
  	done && \
  