Publishing Flutter app

Reference
https://flutter.dev/docs/deployment/android

Making release build to the device

flutter run --release -d <YourDeviceID from adb devices>

Building app bundles with code obfuscations

flutter build appbundle --obfuscate --split-debug-info=/debug_info

Building universal apk

flutter build apk --obfuscate --split-debug-info=/debug_info

Building apk for 32bit

flutter build apk --target-platform=android-arm --obfuscate --split-debug-info=/debug_info

Building apk for 64bit

flutter build apk --target-platform=android-arm64 --obfuscate --split-debug-info=/debug_info

Spliting apk

flutter build apk --split-per-abi --obfuscate --split-debug-info=/debug_info

Building for web

Switch to beta channel
flutter channel beta

Note : If the blank screen error occur, go to dev channel
flutter channel dev

Upgrade to get the latest build
flutter upgrade

Enable web support
flutter config --enable-web

Check whether the required chrome debugger is installed
flutter doctor -v

Add web support on the project
flutter create .

Run on chrome
flutter run -d chrome
flutter run --release -d chrome

Building html package
flutter build web

Uploading aab file to the playstore

• Select new release to beta in app releases section

• Choose Let Google manage and protect your app signing key

• Download pepk tool and save it in any directory

• Select export and upload a key from java keystore

Then run it

$ java -jar pepk.jar --keystore=foo.keystore --alias=foo --output=encrypted_private_key_path --encryptionkey=your_encryption key

 and you will get encrypted_private_key_path file and upload that file!

Click Finish and you'll be able to upload aab files for publishings!