[CI] Travis with Firebase App Distribution (#11)

* Setup travis ci with Firebase App Distribution

* Encrypt google-services.json and serviceCredentialsFile.json into a tar

.travis.yml

@@ -0,0 +1,29 @@
+language: android
+dist: trusty
+
+before_install:
+  - openssl aes-256-cbc -K $encrypted_a039e732823a_key -iv $encrypted_a039e732823a_iv -in travis/secrets.tar.enc -out travis/secrets.tar -d
+  - tar xvf travis/secrets.tar
+  - cp travis/google-services.json app/google-services.json
+  - cp travis/home-assistant-mobile-apps-5fd6b9dd0fdb.json serviceCredentialsFile.json
+
+android:
+  components:
+    - android-29
+    - build-tools-28.0.3
+
+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
+
+script:
+  - echo $TRAVIS_COMMIT_MESSAGE > CHANGES.md
+  - export VERSION_CODE=`git rev-list --count HEAD`
+  - 'if [ "$TRAVIS_PULL_REQUEST" != "false" ]; then bash ./gradlew testReleaseUnitTest; fi'
+  - 'if [ "$TRAVIS_BRANCH" = "master"  ]; then bash ./gradlew assembleRelease appDistributionUploadRelease; fi'

README.md

@@ -1 +1 @@
-# :iphone: Home Assistant Companion for Android
+# :iphone: Home Assistant Companion for Android  [![Build Status](https://travis-ci.com/home-assistant/home-assistant-android.svg?branch=master)](https://travis-ci.com/home-assistant/home-assistant-android)

app/build.gradle

@@ -1,6 +1,15 @@
 apply plugin: 'com.android.application'
 apply plugin: 'kotlin-android'
-apply plugin: 'kotlin-android-extensions'
+apply plugin: 'com.google.firebase.appdistribution'
+
+buildscript {
+    repositories {
+        google()
+    }
+    dependencies {
+        classpath 'com.google.firebase:firebase-appdistribution-gradle:1.1.0'
+    }
+}
 
 android {
     compileSdkVersion 29
@@ -9,9 +18,14 @@ android {
         applicationId "io.homeassistant.android"
         minSdkVersion 21
         targetSdkVersion 29
-        versionCode 1
+        versionCode "${System.env.VERSION_CODE ?: 1}".toInteger()
         versionName "1.0.0"
     }
+
+    firebaseAppDistribution {
+        serviceCredentialsFile = "serviceCredentialsFile.json"
+        releaseNotesFile = "CHANGES.md"
+    }
 }
 
 dependencies {
@@ -23,3 +37,5 @@ dependencies {
     implementation 'com.squareup.okhttp3:logging-interceptor:4.2.2'
     implementation "com.squareup.retrofit2:converter-jackson:2.6.2"
 }
+
+apply plugin: 'com.google.gms.google-services'

build.gradle

@@ -8,6 +8,7 @@ buildscript {
     dependencies {
         classpath 'com.android.tools.build:gradle:3.5.1'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+        classpath 'com.google.gms:google-services:4.3.2'
     }
 }