feat: Add continuous deployment for Android with Fastlane.

.github/workflows/cd.yml

@@ -0,0 +1,70 @@
+name: CD
+
+on:
+  release:
+    types: [published]
+
+env:
+  FASTLANE_SUPPLY_JSON_KEY: ${{ secrets.FASTLANE_SUPPLY_JSON_KEY }}
+  PROD_BASE_URL: ${{ secrets.PROD_BASE_URL }}
+  RELEASE_KEYSTORE: ${{ secrets.RELEASE_KEYSTORE }}
+  RELEASE_KEYSTORE_PROPERTIES: ${{ secrets.RELEASE_KEYSTORE_PROPERTIES }}
+  RELEASE_TYPE: ${{ contains(github.event.release.tag_name, 'internal') && 'internal' || contains(github.event.release.tag_name, 'beta') && 'beta' || 'prod' }}
+  SENTRY_DSN: ${{ secrets.SENTRY_DSN }}
+
+jobs:
+  deploy:
+    # This job will run on ubuntu virtual machine
+    runs-on: ubuntu-latest
+    # This job will run if the release is based on master branch
+    if: github.event.release.target_commitish == 'master'
+    steps:
+      # Setup Java environment in order to build the Android app.
+      - uses: actions/checkout@v1
+      - uses: actions/setup-java@v1
+        with:
+          java-version: "12.x"
+
+      # Setup Ruby for Fastlane
+      - uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: '2.7.2'
+          bundler-cache: true
+
+      # Setup the flutter environment.
+      - uses: subosito/flutter-action@v1
+        with:
+          channel: "stable"
+
+      # Get flutter dependencies.
+      - run: flutter pub get
+
+      # Check for any formatting issues in the code.
+      - run: flutter format --set-exit-if-changed .
+
+      # Statically analyze the Dart code for any errors.
+      - run: flutter analyze .
+
+      # Save supply json key for fastlane
+      - run: echo "${FASTLANE_SUPPLY_JSON_KEY}" | base64 --decode > android/supply_json_key.json
+
+      # Save release props for signing
+      - run: echo "${RELEASE_KEYSTORE_PROPERTIES}" | base64 --decode > android/key.properties
+
+      # Save release keystore for signing
+      - run: echo "${RELEASE_KEYSTORE}" | base64 --decode > android/app/upload-keystore.jks
+
+      # Build appbundle.
+      - name: 'Development Appbundle'
+        if: "contains(env.RELEASE_TYPE, 'internal')"
+        run: flutter build appbundle --flavor development -t  lib/main_development.dart --dart-define=SENTRY_DSN=${SENTRY_DSN}
+
+      - name: 'Production Appbundle'
+        if: "!contains(env.RELEASE_TYPE, 'internal')"
+        run: flutter build appbundle --flavor production -t  lib/main_production.dart --dart-define=SENTRY_DSN=${SENTRY_DSN} --dart-define=BASE_URL=${PROD_BASE_URL}
+
+      # Run fastlane internal
+      - uses: maierj/fastlane-action@v2.2.0
+        with:
+          lane: ${{ env.RELEASE_TYPE }}
+          subdirectory: android

android/.gitignore

@@ -8,6 +8,7 @@ GeneratedPluginRegistrant.java
 
 # Remember to never publicly share your keystore.
 # See https://flutter.dev/docs/deployment/android#reference-the-keystore-from-the-app
+supply_json_key.json
 key.properties
 **/*.keystore
 **/*.jks

android/Gemfile

@@ -0,0 +1,3 @@
+source "https://rubygems.org"
+
+gem "fastlane"

android/Gemfile.lock

@@ -0,0 +1,218 @@
+GEM
+  remote: https://rubygems.org/
+  specs:
+    CFPropertyList (3.0.5)
+      rexml
+    addressable (2.8.0)
+      public_suffix (>= 2.0.2, < 5.0)
+    artifactory (3.0.15)
+    atomos (0.1.3)
+    aws-eventstream (1.2.0)
+    aws-partitions (1.595.0)
+    aws-sdk-core (3.131.1)
+      aws-eventstream (~> 1, >= 1.0.2)
+      aws-partitions (~> 1, >= 1.525.0)
+      aws-sigv4 (~> 1.1)
+      jmespath (~> 1, >= 1.6.1)
+    aws-sdk-kms (1.57.0)
+      aws-sdk-core (~> 3, >= 3.127.0)
+      aws-sigv4 (~> 1.1)
+    aws-sdk-s3 (1.114.0)
+      aws-sdk-core (~> 3, >= 3.127.0)
+      aws-sdk-kms (~> 1)
+      aws-sigv4 (~> 1.4)
+    aws-sigv4 (1.5.0)
+      aws-eventstream (~> 1, >= 1.0.2)
+    babosa (1.0.4)
+    claide (1.1.0)
+    colored (1.2)
+    colored2 (3.1.2)
+    commander (4.6.0)
+      highline (~> 2.0.0)
+    declarative (0.0.20)
+    digest-crc (0.6.4)
+      rake (>= 12.0.0, < 14.0.0)
+    domain_name (0.5.20190701)
+      unf (>= 0.0.5, < 1.0.0)
+    dotenv (2.7.6)
+    emoji_regex (3.2.3)
+    excon (0.92.3)
+    faraday (1.10.0)
+      faraday-em_http (~> 1.0)
+      faraday-em_synchrony (~> 1.0)
+      faraday-excon (~> 1.1)
+      faraday-httpclient (~> 1.0)
+      faraday-multipart (~> 1.0)
+      faraday-net_http (~> 1.0)
+      faraday-net_http_persistent (~> 1.0)
+      faraday-patron (~> 1.0)
+      faraday-rack (~> 1.0)
+      faraday-retry (~> 1.0)
+      ruby2_keywords (>= 0.0.4)
+    faraday-cookie_jar (0.0.7)
+      faraday (>= 0.8.0)
+      http-cookie (~> 1.0.0)
+    faraday-em_http (1.0.0)
+    faraday-em_synchrony (1.0.0)
+    faraday-excon (1.1.0)
+    faraday-httpclient (1.0.1)
+    faraday-multipart (1.0.3)
+      multipart-post (>= 1.2, < 3)
+    faraday-net_http (1.0.1)
+    faraday-net_http_persistent (1.2.0)
+    faraday-patron (1.0.0)
+    faraday-rack (1.0.0)
+    faraday-retry (1.0.3)
+    faraday_middleware (1.2.0)
+      faraday (~> 1.0)
+    fastimage (2.2.6)
+    fastlane (2.206.2)
+      CFPropertyList (>= 2.3, < 4.0.0)
+      addressable (>= 2.8, < 3.0.0)
+      artifactory (~> 3.0)
+      aws-sdk-s3 (~> 1.0)
+      babosa (>= 1.0.3, < 2.0.0)
+      bundler (>= 1.12.0, < 3.0.0)
+      colored
+      commander (~> 4.6)
+      dotenv (>= 2.1.1, < 3.0.0)
+      emoji_regex (>= 0.1, < 4.0)
+      excon (>= 0.71.0, < 1.0.0)
+      faraday (~> 1.0)
+      faraday-cookie_jar (~> 0.0.6)
+      faraday_middleware (~> 1.0)
+      fastimage (>= 2.1.0, < 3.0.0)
+      gh_inspector (>= 1.1.2, < 2.0.0)
+      google-apis-androidpublisher_v3 (~> 0.3)
+      google-apis-playcustomapp_v1 (~> 0.1)
+      google-cloud-storage (~> 1.31)
+      highline (~> 2.0)
+      json (< 3.0.0)
+      jwt (>= 2.1.0, < 3)
+      mini_magick (>= 4.9.4, < 5.0.0)
+      multipart-post (~> 2.0.0)
+      naturally (~> 2.2)
+      optparse (~> 0.1.1)
+      plist (>= 3.1.0, < 4.0.0)
+      rubyzip (>= 2.0.0, < 3.0.0)
+      security (= 0.1.3)
+      simctl (~> 1.6.3)
+      terminal-notifier (>= 2.0.0, < 3.0.0)
+      terminal-table (>= 1.4.5, < 2.0.0)
+      tty-screen (>= 0.6.3, < 1.0.0)
+      tty-spinner (>= 0.8.0, < 1.0.0)
+      word_wrap (~> 1.0.0)
+      xcodeproj (>= 1.13.0, < 2.0.0)
+      xcpretty (~> 0.3.0)
+      xcpretty-travis-formatter (>= 0.0.3)
+    gh_inspector (1.1.3)
+    google-apis-androidpublisher_v3 (0.21.0)
+      google-apis-core (>= 0.4, < 2.a)
+    google-apis-core (0.5.0)
+      addressable (~> 2.5, >= 2.5.1)
+      googleauth (>= 0.16.2, < 2.a)
+      httpclient (>= 2.8.1, < 3.a)
+      mini_mime (~> 1.0)
+      representable (~> 3.0)
+      retriable (>= 2.0, < 4.a)
+      rexml
+      webrick
+    google-apis-iamcredentials_v1 (0.10.0)
+      google-apis-core (>= 0.4, < 2.a)
+    google-apis-playcustomapp_v1 (0.7.0)
+      google-apis-core (>= 0.4, < 2.a)
+    google-apis-storage_v1 (0.14.0)
+      google-apis-core (>= 0.4, < 2.a)
+    google-cloud-core (1.6.0)
+      google-cloud-env (~> 1.0)
+      google-cloud-errors (~> 1.0)
+    google-cloud-env (1.6.0)
+      faraday (>= 0.17.3, < 3.0)
+    google-cloud-errors (1.2.0)
+    google-cloud-storage (1.36.2)
+      addressable (~> 2.8)
+      digest-crc (~> 0.4)
+      google-apis-iamcredentials_v1 (~> 0.1)
+      google-apis-storage_v1 (~> 0.1)
+      google-cloud-core (~> 1.6)
+      googleauth (>= 0.16.2, < 2.a)
+      mini_mime (~> 1.0)
+    googleauth (1.1.3)
+      faraday (>= 0.17.3, < 3.a)
+      jwt (>= 1.4, < 3.0)
+      memoist (~> 0.16)
+      multi_json (~> 1.11)
+      os (>= 0.9, < 2.0)
+      signet (>= 0.16, < 2.a)
+    highline (2.0.3)
+    http-cookie (1.0.5)
+      domain_name (~> 0.5)
+    httpclient (2.8.3)
+    jmespath (1.6.1)
+    json (2.6.2)
+    jwt (2.3.0)
+    memoist (0.16.2)
+    mini_magick (4.11.0)
+    mini_mime (1.1.2)
+    multi_json (1.15.0)
+    multipart-post (2.0.0)
+    nanaimo (0.3.0)
+    naturally (2.2.1)
+    optparse (0.1.1)
+    os (1.1.4)
+    plist (3.6.0)
+    public_suffix (4.0.7)
+    rake (13.0.6)
+    representable (3.2.0)
+      declarative (< 0.1.0)
+      trailblazer-option (>= 0.1.1, < 0.2.0)
+      uber (< 0.2.0)
+    retriable (3.1.2)
+    rexml (3.2.5)
+    rouge (2.0.7)
+    ruby2_keywords (0.0.5)
+    rubyzip (2.3.2)
+    security (0.1.3)
+    signet (0.16.1)
+      addressable (~> 2.8)
+      faraday (>= 0.17.5, < 3.0)
+      jwt (>= 1.5, < 3.0)
+      multi_json (~> 1.10)
+    simctl (1.6.8)
+      CFPropertyList
+      naturally
+    terminal-notifier (2.0.0)
+    terminal-table (1.8.0)
+      unicode-display_width (~> 1.1, >= 1.1.1)
+    trailblazer-option (0.1.2)
+    tty-cursor (0.7.1)
+    tty-screen (0.8.1)
+    tty-spinner (0.9.3)
+      tty-cursor (~> 0.7)
+    uber (0.1.0)
+    unf (0.1.4)
+      unf_ext
+    unf_ext (0.0.8.2)
+    unicode-display_width (1.8.0)
+    webrick (1.7.0)
+    word_wrap (1.0.0)
+    xcodeproj (1.21.0)
+      CFPropertyList (>= 2.3.3, < 4.0)
+      atomos (~> 0.1.3)
+      claide (>= 1.0.2, < 2.0)
+      colored2 (~> 3.1)
+      nanaimo (~> 0.3.0)
+      rexml (~> 3.2.4)
+    xcpretty (0.3.0)
+      rouge (~> 2.0.7)
+    xcpretty-travis-formatter (1.0.1)
+      xcpretty (~> 0.2, >= 0.0.7)
+
+PLATFORMS
+  x86_64-linux
+
+DEPENDENCIES
+  fastlane
+
+BUNDLED WITH
+   2.3.15

android/app/build.gradle

@@ -21,6 +21,13 @@ if (flutterVersionName == null) {
     flutterVersionName = '1.0'
 }
 
+// keystore configuration
+def keystoreProperties = new Properties()
+def keystorePropertiesFile = rootProject.file('key.properties')
+if (keystorePropertiesFile.exists()) {
+    keystoreProperties.load(new FileInputStream(keystorePropertiesFile))
+}
+
 apply plugin: 'com.android.application'
 apply plugin: 'kotlin-android'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
@@ -50,11 +57,24 @@ android {
         versionName flutterVersionName
     }
 
+    signingConfigs {
+        release {
+            if (keystorePropertiesFile.exists()) {
+                keyAlias keystoreProperties['keyAlias']
+                keyPassword keystoreProperties['keyPassword']
+                storeFile file(keystoreProperties['storeFile'])
+                storePassword keystoreProperties['storePassword']
+            }
+        }
+    }
+
     buildTypes {
         release {
-            // TODO: Add your own signing config for the release build.
-            // Signing with the debug keys for now, so `flutter run --release` works.
-            signingConfig signingConfigs.debug
+            if(keystorePropertiesFile.exists()){
+                signingConfig signingConfigs.release
+            }else{
+                signingConfig signingConfigs.debug
+            }
         }
     }
 
@@ -85,6 +105,7 @@ flutter {
 
 dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+    implementation 'com.google.android.material:material:1.6.1'
 }
 
 apply plugin: 'com.google.gms.google-services'

android/fastlane/Appfile

@@ -0,0 +1,2 @@
+json_key_file("supply_json_key.json") # Path to the json secret file - Follow https://docs.fastlane.tools/actions/supply/#setup to get one
+package_name("in.ac.iitr.mdg.codephile") # e.g. com.krausefx.app

android/fastlane/Fastfile

@@ -0,0 +1,42 @@
+# This file contains the fastlane.tools configuration
+# You can find the documentation at https://docs.fastlane.tools
+#
+# For a list of all available actions, check out
+#
+#     https://docs.fastlane.tools/actions
+#
+# For a list of all available plugins, check out
+#
+#     https://docs.fastlane.tools/plugins/available-plugins
+#
+
+# Uncomment the line if you want fastlane to automatically update itself
+# update_fastlane
+
+default_platform(:android)
+
+platform :android do
+  desc "Push a new internal build to Play Store"
+  lane :internal do
+    upload_to_play_store(
+      track: "internal",
+      aab: "../build/app/outputs/bundle/developmentRelease/app-development-release.aab"
+    )
+  end
+
+  desc "Push a new beta build to Play Store"
+  lane :beta do
+    upload_to_play_store(
+      track: "beta",
+      aab: "../build/app/outputs/bundle/productionRelease/app-production-release.aab"
+    )
+  end
+
+  desc "Push a new production build to Play Store"
+  lane :prod do
+    upload_to_play_store(
+      track: "production",
+      aab: "../build/app/outputs/bundle/productionRelease/app-production-release.aab"
+    )
+  end
+end