trying to run on OSX

.travis.yml

+language: objective-c
 os: osx
 osx_image: xcode8.1
 
     - PATH=$PATH:$HOME/.yarn/bin
     - ANDROID_HOME=$HOME/android-sdk-macosx
     - PATH=$PATH:$ANDROID_HOME/tools:$ANDROID_HOME/platform-tools
+    - YARN_CACHE=$HOME/.yarn-cache
 
 git:
   depth: 10
   - v2
 
 cache:
-  yarn: true
   directories:
+    - $YARN_CACHE
     - $HOME/.gradle/
     - $HOME/.m2
     - $ANDROID_HOME/licenses/
   - set -e
   - brew update
   - brew cask install java
+  - touch ~/.bash_profile
+  - curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.33.0/install.sh | bash
   - nvm install $NODE_VERSION
   - curl -o- -L https://yarnpkg.com/install.sh | bash
 

scripts/installAndroidSDK.sh

 
 # download android SDK
 echo "Downloading Android SDK"
-curl --location https://dl.google.com/android/repository/tools_r25.2.3-macosx.zip | tar -x -z -C $HOME
+curl --location https://dl.google.com/android/android-sdk_r24.4.1-macosx.zip | tar -x -z -C $HOME
 
 # copy licenses
 echo "Copying Android licenses"