Add initial Travis build

.travis.yml

@@ -0,0 +1,12 @@
+language: android
+env:
+  matrix:
+    - ANDROID_SDKS=android-19,sysimg-19 ANDROID_TARGET=android-19 ANDROID_ABI=armeabi-v7a
+
+before_install:
+  - echo no | android create avd --force -n test -t $ANDROID_TARGET --abi $ANDROID_ABI
+  - emulator -avd test -no-skin -no-audio -no-window &
+before_script:
+  - ./wait_for_emulator
+  - adb shell input keyevent 82 &
+script: "./gradlew connectedAndroidTestTestConfigDebug"

app/build.gradle

@@ -1,3 +1,13 @@
+buildscript {
+    repositories {
+        mavenCentral()
+    }
+    dependencies {
+        classpath 'com.jakewharton.sdkmanager:gradle-plugin:0.10.+'
+    }
+}
+
+apply plugin: 'android-sdk-manager'
 apply plugin: 'com.android.application'
 
 android {
@@ -38,7 +48,9 @@ android {
 }
 
 dependencies {
+
     compile 'com.squareup.dagger:dagger:1.2.1'
     provided 'com.squareup.dagger:dagger-compiler:1.2.1'
+
     compile 'com.android.support:appcompat-v7:20.+'
 }