ci(codemagic): add android app ci to build and publish automatically

app/app/build.gradle

@@ -6,12 +6,14 @@ plugins {
 android {
     compileSdk 32
 
+    def appVersionCode = Integer.valueOf(System.env.BUILD_NUMBER ?: 0)
+
     defaultConfig {
         applicationId "me.rxresu.app"
         minSdk 21
         targetSdk 32
-        versionCode 1
         versionName "1.0"
+        versionCode appVersionCode
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }

codemagic.yaml

@@ -0,0 +1,51 @@
+workflows:
+  android-workflow:
+    name: Android Workflow
+    working_directory: app
+    max_build_duration: 60
+    instance_type: mac_mini
+
+    environment:
+      node: latest
+      groups:
+        - keystore_credentials
+        - google_play
+        - other
+      vars:
+        FCI_KEYSTORE_PATH: /tmp/keystore.keystore
+
+    triggering:
+      events:
+        - push
+        - tag
+        - pull_request
+      branch_patterns:
+        - pattern: release
+          include: true
+          source: true
+
+    scripts:
+      - name: Set up local properties
+        script: echo "sdk.dir=$ANDROID_SDK_ROOT" > "$FCI_BUILD_DIR/local.properties"
+
+      - name: Set up key.properties file for code signing
+        script: |
+          echo $FCI_KEYSTORE | base64 --decode > $FCI_KEYSTORE_PATH
+          cat >> "$FCI_BUILD_DIR/android/key.properties" <<EOF
+          storePassword=$FCI_KEYSTORE_PASSWORD
+          keyPassword=$FCI_KEY_PASSWORD
+          keyAlias=$FCI_KEY_ALIAS
+          storeFile=$FCI_KEYSTORE_PATH
+          EOF
+
+      - name: Build Android App
+        script: ./gradlew bundleRelease
+
+    artifacts:
+      - app/build/outputs/**/**/*.aab
+      - app/build/outputs/**/**/*.apk
+
+    publishing:
+      google_play:
+        credentials: $GCLOUD_SERVICE_ACCOUNT_CREDENTIALS
+        track: production