feat: add Codemagic configuration for automated Android builds and signing

Author: SirusCodes

android/app/build.gradle

@@ -56,10 +56,17 @@ android {
 
     signingConfigs {
         release {
-            keyAlias keystoreProperties['keyAlias']
-            keyPassword keystoreProperties['keyPassword']
-            storeFile keystoreProperties['storeFile'] ? file(keystoreProperties['storeFile']) : null
-            storePassword keystoreProperties['storePassword']
+            if (System.getenv()["CI"]) { // CI=true is exported by Codemagic
+                storeFile file(System.getenv()["CM_KEYSTORE_PATH"])
+                storePassword System.getenv()["CM_KEYSTORE_PASSWORD"]
+                keyAlias System.getenv()["CM_KEY_ALIAS"]
+                keyPassword System.getenv()["CM_KEY_PASSWORD"]
+            } else {
+                keyAlias keystoreProperties['keyAlias']
+                keyPassword keystoreProperties['keyPassword']
+                storeFile keystoreProperties['storeFile'] ? file(keystoreProperties['storeFile']) : null
+                storePassword keystoreProperties['storePassword']
+            }
         }
     }
 
@@ -68,7 +75,7 @@ android {
             minifyEnabled true
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
             shrinkResources true
-            if (keystoreProperties['storeFile'] != null) {
+            if (keystoreProperties['storeFile'] != null || System.getenv()["CI"]) {
                 signingConfig signingConfigs.release
             } else {
                 signingConfig signingConfigs.debug

codemagic.yaml

@@ -0,0 +1,48 @@
+workflows:
+  flutter-android:
+    name: Flutter Android
+    instance_type: mac_mini_m2
+    max_build_duration: 120
+    environment:
+      android_signing:
+        - codemagic_keystore
+      groups:
+        - google_play
+        - sentry
+      vars:
+        PACKAGE_NAME: "com.darshan.heartry"
+        GOOGLE_PLAY_TRACK: "beta"
+      flutter: stable
+    scripts:
+      - name: Set up local.properties
+        script: |
+          echo "flutter.sdk=$HOME/programs/flutter" > "$CM_BUILD_DIR/android/local.properties"
+      - name: Get Flutter packages
+        script: |
+          flutter packages pub get
+      - name: Run Flutter tests
+        script: |
+          flutter test
+      - name: Setup sentry.properties
+        script: |
+          echo "$SENTRY_PROPERTIES" | base64 --decode > sentry.properties
+      - name: Build AAB with Flutter
+        script: |
+          LATEST_BUILD_NUMBER=$(($(google-play get-latest-build-number --package-name "$PACKAGE_NAME" --tracks="$GOOGLE_PLAY_TRACK")))
+          flutter build appbundle --release \
+            --dart-define="GOOGLE_CLIENT_ID=$GOOGLE_CLIENT_ID" \
+            --dart-define="SENTRY_DSN=$SENTRY_DSN"
+    artifacts:
+      - build/**/outputs/**/*.aab
+      - build/**/outputs/**/mapping.txt
+      - flutter_drive.log
+    publishing:
+      email:
+        recipients:
+          - darshandrander@outlook.com
+        notify:
+          success: true
+          failure: true
+      google_play:
+        credentials: $GOOGLE_PLAY_SERVICE_ACCOUNT_CREDENTIALS
+        track: $GOOGLE_PLAY_TRACK