Automatically publish builds to play store's alpha channel (#82)

For commits to master with a tag, use a free library called fastlane to kick off gradle and upload the output to the Play Store.

.gitignore

@@ -8,3 +8,10 @@
 # IntelliJ IDEA files
 /.idea/
 *.iml
+
+secrets.tar.gz
+medic-official.keystore
+playstore-secret.json
+
+fastlane/*
+!fastlane/Fastfile

.travis.yml

@@ -10,13 +10,53 @@ android:
   - android-26
 env:
 - GRADLE_OPTS="-XX:MaxPermSize=2048M"
+stages:
+  - name: test
+  - name: deploy
+    if: tag IS present
 jobs:
   include:
-  - script: make test
-  - script: make travis
-    if: tag IS present
+    - stage: test
+      script: make test
+
+    - stage: deploy
+    # flavors sorted alphabetically with three per job
+      script:
+      - fastlane deploy flavor:unbranded
+      - fastlane deploy flavor:medicmobiledemo
+      - fastlane deploy flavor:bracuganda
+    - script:
+      - fastlane deploy flavor:cic_guatemala
+      - fastlane deploy flavor:ebpp_indonesia
+      - fastlane deploy flavor:hope_through_health
+    - script:
+      - fastlane deploy flavor:livinggoods
+      - fastlane deploy flavor:livinggoodskenya
+      - fastlane deploy flavor:livinggoods_assisted_networks
+    - script:
+      - fastlane deploy flavor:livinggoods_innovation_ke
+      - fastlane deploy flavor:livinggoods_innovation_ke_supervisor 
+      - fastlane deploy flavor:livinggoods_innovation_ke_hivst
+    - script:
+      # - fastlane deploy flavor:moh_kenya_siaya_white
+      - fastlane deploy flavor:moh_kenya_siaya_red
+      - fastlane deploy flavor:moh_kenya_siaya_green
+    - script:
+      - fastlane deploy flavor:moh_kenya_siaya_black
+      - fastlane deploy flavor:moh_zanzibar_training
+      - fastlane deploy flavor:moh_zanzibar
+    - script:
+      - fastlane deploy flavor:musomali
+      - fastlane deploy flavor:pih_malawi
+      - fastlane deploy flavor:pih_malawi_supervisor
+    - script:
+      - fastlane deploy flavor:simprints
+      - fastlane deploy flavor:vhw_burundi
 before_install:
-- openssl aes-256-cbc -K $encrypted_323c4a109760_key -iv $encrypted_323c4a109760_iv -in medic-official.keystore.enc -out medic-official.keystore -d
+- openssl aes-256-cbc -K $encrypted_323c4a109760_key -iv $encrypted_323c4a109760_iv -in secrets.tar.gz.enc -out ./secrets.tar.gz -d
+- tar -xf ./secrets.tar.gz
+- gem update --system
+- gem install fastlane --no-document --quiet
 before_cache:
 - rm -f  $HOME/.gradle/caches/modules-2/modules-2.lock
 - rm -fr $HOME/.gradle/caches/*/plugin-resolution/

Makefile

@@ -34,9 +34,5 @@ url-tester:
 	DISABLE_APP_URL_VALIDATION=true ${GRADLEW} --daemon --parallel installUnbrandedDebug
 uninstall:
 	adb uninstall org.medicmobile.webapp.mobile
-
 test:
 	${GRADLEW} androidCheck lintUnbrandedDebug test
-
-travis:
-	${GRADLEW} --parallel assembleRelease

README.md

@@ -26,19 +26,14 @@ To build and deploy APKs for all configured brands:
 To add a new brand:
 
 1. add `productFlavors { <new_brand> { ... } }` in `build.gradle`
-2. add icons, strings etc. in `src/<new_brand>`
+1. add icons, strings etc. in `src/<new_brand>`
+1. to enable automated deployments, add the `new_brand` to `.travis.yml`
 
 # Publishing
 
-To publish to [GitHub](https://github.com/medic/medic-android/releases):
+Create a git tag starting with `v`, e.g. `v1.2.3` and push the tag to GitHub. 
 
-1. Create a git tag starting with `v`, e.g. `v1.2.3` and push the tag to GitHub. Travis CI will build the release and push a signed, versioned, release-ready bundle to https://github.com/medic/medic-android/releases.
-
-Then, for each brand you'd like to publish:
-
-1. Download all APKs for the flavor you'd like to release from [GitHub Releases](https://github.com/medic/medic-android/releases).
-1. Navigate to the Google Play Console. `Release management` > `App releases`.
-1. Upload all APKs
+Creating this tag will trigger a Travis CI to build, sign, and properly version the build. The release-ready APKs are available for side-loading from [GitHub Releases](https://github.com/medic/medic-android/releases) and are uploaded to the Google Play Console in the "alpha" channel. To release to the public, click "Release to Production" or "Release to Beta" via the Google Play Console for each flavor.
 
 ## Copyright
 

fastlane/Fastfile

@@ -0,0 +1,33 @@
+# This file contains the fastlane.tools configuration
+# You can find the documentation at https://docs.fastlane.tools
+#
+
+default_platform(:android)
+
+platform :android do
+  desc "Build and deploy on Google Play"
+  lane :deploy do |options|
+    gradleTaskName = "assemble#{options[:flavor]}Release"
+    version = ENV['TRAVIS_TAG'].empty? ? 'SNAPSHOT' : ENV['TRAVIS_TAG']
+    package_name = options[:flavor] == 'unbranded' ? "org.medicmobile.webapp.mobile" : "org.medicmobile.webapp.mobile.#{options[:flavor]}"
+
+    gradle(task: gradleTaskName)
+
+    supply(
+      package_name: package_name,
+      track: "alpha",
+      json_key: "playstore-secret.json",
+      apk_paths: [
+        "build/outputs/apk/#{options[:flavor]}/release/medic-android-#{version}-#{options[:flavor]}-arm64-v8a-release.apk",
+        "build/outputs/apk/#{options[:flavor]}/release/medic-android-#{version}-#{options[:flavor]}-armeabi-v7a-release.apk",
+      ],
+      skip_upload_aab: true,
+      skip_upload_metadata: true,
+      skip_upload_images: true,
+      skip_upload_screenshots: true,
+      validate_only: false,
+
+      timeout: 3600,
+    )
+  end
+end