Merge pull request #124 from eighthave/master

small build fixes

.travis.yml

@@ -0,0 +1,35 @@
+sudo: false
+
+language: android
+
+env:
+  global:
+    # switch glibc to a memory conserving mode
+    - MALLOC_ARENA_MAX=2
+    # wait 5 minutes for adb to connect to emulator. Travis-ci cancels a
+    # stalled build after 10 minutes, so this should be shorter than that so
+    # there is time for the build to report the error.
+    - ADB_INSTALL_TIMEOUT=5
+
+jdk:
+  - openjdk8
+
+android:
+  components:
+    - tools
+    - platform-tools
+    - extra-android-m2repository
+    - build-tools-26.0.2
+    - android-25
+  licenses:
+    # only approve the free software licenses
+    - 'android-sdk-preview-license-52d11cd2'
+    - 'android-sdk-license-.+'
+
+script:
+  # 'assemble' everything and run all checks that do not require a device/emulator
+  - ./gradlew build
+  - ./make-release-build
+
+after_failure:
+  - find * -name lint-results.xml | xargs cat

build.gradle

@@ -2,9 +2,10 @@
 buildscript {
     repositories {
         jcenter()
+        google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.0.0'
+        classpath 'com.android.tools.build:gradle:3.0.1'
     }
 }
 

gradle/wrapper/gradle-wrapper.properties

@@ -4,3 +4,4 @@ distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
 distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip
+distributionSha256Sum=5c07b3bac2209fbc98fb1fdf6fd831f72429cdf8c503807404eae03d8c8099e5