Set up auto build and distribute flutter app on Appcenter

README.md

Auto deploying flutter app via Appcenter

Configure project

• Active AndroidX if it isn’t already.
• Create and checkout to new branch (appcenter currently only listen trigger from commit code on branch)
• Setup android:
  • Comment those lines in file android/.gitignore

  # gradle-wrapper.jar
  /.gradle
  /captures/
  # /gradlew
  # /gradlew.bat
  /local.properties
  GeneratedPluginRegistrant.java
  

  • Create KeyStore in android/app
  • Add config to android/app/build.gradle

  def flutterVersionCode = localProperties.getProperty('flutter.versionCode')
  if (flutterVersionCode == null) {
      flutterVersionCode = '1'
  }
  
  // Get VersionCode from AppCenter if auto build
  def appCenterVersionCode = System.getenv('APPCENTER_BUILD_ID')
  if (appCenterVersionCode != null) {
      flutterVersionCode = appCenterVersionCode
  }

  • Modify android\gradlew to skip appcenter's gradle because we already call it in android/appcenter-post-clone.sh. Add this code below or custom gradlew by yourself

  #!/usr/bin/env bash
  
  ##############################################################################
  ##
  ##  Gradle start up script for UN*X
  ##
  ##############################################################################
  
  if [[ "$@" != *"-Ptarget"* ]]; then
    echo "Not found target in arguments when call gradlew, force skip gradle."
    exit 0
  fi

  • Save file android-appcenter-post-clone.sh to android/app/appcenter-post-clone.sh
• Setup iOS:
  • Get code signing files: Provisioning Profile (*.mobileprovision), Certificate (*.p12)
  • Save file ios-appcenter-post-clone.sh to ios/appcenter-post-clone.sh
  • Set architectures in XCode to arm64
• Commit these config

AppCenter Setup

• Create 2 app and change any other details as needed
• Connect to app response

References

• https://buildflutter.com/deploying-flutter-apps-via-appcenter/

android-appcenter-post-clone.sh

#!/usr/bin/env bash
# Place this script in project/android/app/appcenter-post-clone.sh
# Original file stored at
# https://github.com/microsoft/appcenter/blob/master/sample-build-scripts/flutter/android-build/appcenter-post-clone.sh

cd ..

# fail if any command fails
set -e
# debug log
set -x

cd ..
git clone -b stable https://github.com/flutter/flutter.git
export PATH=`pwd`/flutter/bin:$PATH

flutter channel stable
flutter doctor

echo "Installed flutter to `pwd`/flutter"

# build APK
flutter -v build apk --release --target-platform android-arm64 --target $APP_TARGET

# copy the APK where AppCenter will find it
mkdir -p android/app/build/outputs/apk/; mv build/app/outputs/apk/release/app-release.apk $_

# build bundle (AAB)
if [ "$BUILD_AAB" = "true" ] ; then
    flutter -v build appbundle --target $APP_TARGET --target-platform android-arm,android-arm64,android-x64

    # copy the AAB where AppCenter will find it
    mkdir -p android/app/build/outputs/bundle/; mv build/app/outputs/bundle/release/app-release.aab $_
fi

ios-appcenter-post-clone.sh

#!/usr/bin/env bash
# Place this script in project/ios/appcenter-post-clone.sh
# Original file stored at
# https://github.com/microsoft/appcenter/blob/master/sample-build-scripts/flutter/ios-build/appcenter-post-clone.sh

# fail if any command fails
set -e
# debug log
set -x

cd ..
git clone -b stable https://github.com/flutter/flutter.git
export PATH=`pwd`/flutter/bin:$PATH

flutter channel stable
flutter doctor

echo "Installed flutter to `pwd`/flutter"

flutter -v pub get

function generate_new_config() {
    new_str=""
    while IFS=$'\n' read -r line; do
        if [[ "$line" == *"FLUTTER_TARGET"* ]]; then
            IFS='=' read -r key val <<< "$line"
            new_str="$new_str"$'\n'"$key"="$APP_TARGET""$2"
        else
            if [[ "$line" == *"FLUTTER_FRAMEWORK_DIR"* ]]; then
                IFS='=' read -r key val <<< "$line"
                new_str="$new_str"$'\n'"$key"="`pwd`/flutter/bin/cache/artifacts/engine/ios-release""$2"
            else
                if [ "$new_str" == '' ] ; then
                    new_str="$line"
                else
                    new_str="$new_str"$'\n'"$line"
                fi
            fi
        fi
    done < "$1"

    echo "$new_str" > "$1"
}

eval generate_new_config ios/Flutter/flutter_export_environment.sh '\"'
eval generate_new_config ios/Flutter/Generated.xcconfig

# Install ios tools
flutter precache --ios --no-android --no-universal