chore: Android fastlane setup (#11)

Author: rohan20

.gitignore

@@ -45,3 +45,5 @@ app.*.map.json
 
 # FVM
 .fvm/flutter_sdk
+
+build/

android/.gitignore

@@ -11,3 +11,8 @@ GeneratedPluginRegistrant.java
 key.properties
 **/*.keystore
 **/*.jks
+
+fastlane/report.xml
+fastlane/Appfile
+fastlane/service_account.json
+fastlane/README.md

android/app/build.gradle

@@ -54,12 +54,23 @@ android {
         versionName flutterVersionName
     }
 
-    buildTypes {
+    signingConfigs {
         release {
-            // TODO: Add your own signing config for the release build.
-            // Signing with the debug keys for now, so `flutter run --release` works.
+            storeFile file('../fastlane/rhntnj-keystore.jks')
+            keyAlias 'fluttercon'
+            keyPassword project.findProperty('fluttercon-key-password') ?: ''
+            storePassword project.findProperty('keystore-password') ?: ''
+        }
+    }
+
+    buildTypes {
+        debug {
             signingConfig signingConfigs.debug
         }
+
+        release {
+            signingConfig signingConfigs.release
+        }
     }
 }
 

android/fastlane/Fastfile

@@ -0,0 +1,34 @@
+default_platform(:android)
+
+APP_ID_PRODUCTION = "com.rohantaneja.fluttercon"
+
+platform :android do
+
+  private_lane :cleanup do
+    sh "fvm flutter clean"
+    sh "fvm flutter packages get"
+  end
+
+  desc "Build App"
+  private_lane :build_app do
+    cleanup
+    gradle(task: "clean", print_command: true)
+    gradle(
+      task: "bundle",
+      build_type: "Release",
+      print_command: true
+    )
+  end
+
+  desc "Upload Production App to Google Play Store"
+  lane :upload_production do
+    build_app(app_id: APP_ID_PRODUCTION, should_build_app_bundle: true)
+    upload_to_play_store(
+      track: "internal",
+      package_name: APP_ID_PRODUCTION,
+      json_key: "./fastlane/service_account.json",
+      aab: "../build/app/outputs/bundle/Release/app-release.aab",
+    )
+  end
+
+end