Travis build of sample app

Summary: Build the sample app in travis

Reviewed By: emilsjolander

Differential Revision: D4558310

fbshipit-source-id: b730a7bc9036054a17c6204a93c63ea2064e0943

.travis.yml

@@ -16,6 +16,7 @@ env:
   - TARGET=net
   - TARGET=ios
   - TARGET=js
+  - TARGET=android
 
 before_install:
   - brew update
@@ -49,6 +50,15 @@ before_install:
       npm install;
     fi
 
+  # Android
+  - |
+    if [[ $TARGET = "android" ]]; then
+      brew cask install java;
+      export JAVA_HOME=$(/usr/libexec/java_home -v 1.8);
+      export PATH=$JAVA_HOME/bin:$PATH;
+      brew install android-sdk;
+    fi
+
 script:
     # C
     - |
@@ -83,3 +93,9 @@ script:
         npm run test:all &&
         npm run bench;
       fi
+
+    # Android
+    - |
+      if [[ $TARGET = "android" ]]; then
+        buck build --verbose 0 //android/sample:sample
+      fi