Added automatic releases to Github and Google Play (#52)

This PR adds automatic deployment of tagged releases to Github Releases and Google Play. Credentials are encrypted into .travis.yml using the Travis private key.

Author: psigen

.travis.yml

@@ -3,10 +3,36 @@ language: android
 jdk: oraclejdk8
 android:
   components:
-    - platform-tools
-    - tools
-    - build-tools-25.0.2
-    - android-25
-    - extra-google-m2repository
-    - extra-android-m2repository
-script: './gradlew build check'
+  - platform-tools
+  - tools
+  - build-tools-25.0.2
+  - android-25
+  - extra-google-m2repository
+  - extra-android-m2repository
+env:
+  global:
+  - ANDROID_PLAY_JSON_FILE="../creds/google-play.json"
+  - ANDROID_RELEASE_STORE_FILE="../creds/platypus-android.jks"
+  - secure: eHqN5ncAt4zJMM5OR+wQqn6WRiNEJx/MKZtO1BpkfOQVW67U0a7ZDQ2LF3tqlfJBRnW/4E9BJysi15WKigjHpeaPNVZh2V9cb2vejUd0P/DZZHYYcFvyoXh9R0ZnfJNr1Ui9q6Ll7kgSxgsOa5UrNMP4Q8vraw+fijEdMyh4yvU=
+  - secure: D0uqmhG2Rit16cbHwjvZhXG0caS0RxOZvQaP1nQtLIfq0uPWU/mDqv6gVHnpuZpxIuIKuMRe+MOZvSDuT6LhZLzXVs43Ikzrq7Yr4yNr16Nwo2//qv9B2OxuepunlduCv8B95lJQX5S9zjAAl7e1eQMXphC3IsDs4nbd7pDpRmk=
+  - secure: VKHCNY+p91IDd3AZl/FGUHkokAZLkx0tlwRh9u9jHksVky2PFLDrOYU9yF2BPvs2QlSbCdVF/+/TyaImZmZ0e5XJAocjM4Ew2z9QbMiuo8KMtzixni/iINRQlEVNOZRCOHcOhnBCccteYk9kQ1oRB56AXoukzmscco2d1Bx7sgk=
+before_install:
+- openssl aes-256-cbc -K $encrypted_3a18627f5297_key -iv $encrypted_3a18627f5297_iv
+  -in secrets.tar.enc -out secrets.tar -d
+- tar xvf secrets.tar
+script: "./gradlew build check"
+deploy:
+- provider: releases
+  api_key:
+    secure: SzonDecstyEHJuiuYeHisXsXWPIRFvIdali89uGo4lfzQ5E0+zqzyMJR4B8eyFiVn0VXCCGaUj9IUFRHGjlEafWmv+YFyAC2doZwOk4EKq2ZcK85XAUyLQEA6X1RrKUx11VSxn5gxtXA/4fyarv139PzELQw3liNIVPx44CipiA=
+  file: app/build/outputs/apk/app-release.apk
+  skip_cleanup: true
+  on:
+    repo: platypusllc/server
+    tags: true
+- provider: script
+  script: "./gradlew publishApkRelease"
+  skip_cleanup: true
+  on:
+    repo: platypusllc/server
+    tags: true

README.md

@@ -8,5 +8,20 @@ controlling the platforms using high-level commands.
 
 ----
 
-Code in this repository is automatically built by Travis-CI.  The `master`
-branch is compiled to an APK and uploaded to the Google Play store.
+Code in this repository is automatically built by Travis-CI.  Any tags of this
+repostory will be automatically compiled to an APK and uploaded both named
+Github Releases and the `alpha` channel on the Google Play store.
+
+In order to do signed builds, the following environment variables must be set:
+```
+ANDROID_PLAY_JSON_FILE
+ANDROID_RELEASE_STORE_FILE
+ANDROID_RELEASE_STORE_PASSWORD
+ANDROID_RELEASE_KEY_ALIAS
+ANDROID_RELEASE_KEY_PASSWORD
+```
+
+This deployment is based on the following setups:
+- https://github.com/codepath/android_guides/wiki/Automating-Publishing-to-the-Play-Store
+- https://github.com/larsgrefer/bpm-meter-android/blob/master/.travis.yml
+- https://github.com/Triple-T/gradle-play-publisher

app/build.gradle

@@ -1,4 +1,5 @@
 apply plugin: 'com.android.application'
+apply plugin: 'com.github.triplet.play'
 
 repositories {
     mavenCentral()
@@ -11,32 +12,52 @@ android {
     compileSdkVersion 25
     buildToolsVersion "25.0.2"
 
+    playAccountConfigs {
+        release {
+            jsonFile = file(System.getenv("ANDROID_PLAY_JSON_FILE") ?: ".")
+        }
+    }
+    signingConfigs {
+        release {
+            keyAlias System.getenv("ANDROID_RELEASE_KEY_ALIAS") ?: "EXAMPLE_ALIAS"
+            keyPassword System.getenv("ANDROID_RELEASE_KEY_PASSWORD") ?: "EXAMPLE_PASSWORD"
+            storeFile file(System.getenv("ANDROID_RELEASE_STORE_FILE") ?: ".")
+            storePassword System.getenv("ANDROID_RELEASE_STORE_PASSWORD") ?: "EXAMPLE_PASSWORD"
+            v2SigningEnabled true
+        }
+    }
     defaultConfig {
         applicationId "com.platypus.android.server"
         minSdkVersion 21
         targetSdkVersion 25
-        versionCode 1
-        versionName "1.0"
+        versionCode 3
+        versionName "1.3"
+        playAccountConfig = playAccountConfigs.release
     }
     buildTypes {
         release {
             minifyEnabled false
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+            signingConfig signingConfigs.release
         }
     }
     lintOptions {
         abortOnError false
     }
     dexOptions {
-        javaMaxHeapSize '3g'
+        javaMaxHeapSize '4g'
         // Skip pre-dexing when running on Travis CI or when disabled via -Dpre-dex=false.
         // See: https://guides.codepath.com/android/Setting-up-Travis-CI
         preDexLibraries = preDexEnabled && !travisBuild
     }
 }
 
+play {
+    track = 'alpha'
+    untrackOld = true
+}
+
 dependencies {
-    compile fileTree(dir: 'libs', include: ['*.jar'])
     testCompile 'junit:junit:4.12'
     compile 'com.android.support:appcompat-v7:24.0.0'
     compile 'com.android.support:support-v13:24.0.0'

build.gradle

@@ -12,6 +12,9 @@ buildscript {
 
         // Google Services are required to support Firebase.
         classpath 'com.google.gms:google-services:3.0.0'
+
+        // Add gradle-play-publisher to deploy to Google Play store.
+        classpath 'com.github.triplet.gradle:play-publisher:1.2.0'
     }
 }
 

gradle.properties

@@ -11,7 +11,7 @@
 # The setting is particularly useful for tweaking memory settings.
 # Default value: -Xmx10248m -XX:MaxPermSize=256m
 # org.gradle.jvmargs=-Xmx2048m -XX:MaxPermSize=512m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8
-org.gradle.jvmargs=-Xmx3g
+org.gradle.jvmargs=-Xmx4g
 
 # When configured, Gradle will run in incubating parallel mode.
 # This option should only be used with decoupled projects. More details, visit