Enable Travis CI builds
diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 0000000..a9deb7e
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,21 @@
+language: android
+
+before_cache:
+  - rm -f  $HOME/.gradle/caches/modules-2/modules-2.lock
+  - rm -fr $HOME/.gradle/caches/*/plugin-resolution/
+
+cache:
+  directories:
+    - $HOME/.gradle/caches/
+    - $HOME/.gradle/wrapper/
+    - $HOME/.android/build-cache
+
+android:
+  components:
+    - tools
+    - build-tools-26.0.2
+    - android-26
+    - platform-tools
+
+script:
+  ./gradlew build