Deployment

Apk build

flutter build apk --release --split-per-abi

Logo set

https://pub.dev/packages/icons_launcher
dev_dependencies:
 icons_launcher: ^1.1.5
flutter_icons:
  image_path: 'assets/icon/icon_t.png'
  android: true
  ios: true
flutter pub get
flutter pub run icons_launcher:main

Rename

Android

Open AndroidManifest.xml (located at android/app/src/main)

<application
    android:label="App Name" ...> // Your app name here

iOS

Open info.plist (located at ios/Runner)

<key>CFBundleName</key>
<string>App Name</string> // Your app name here

Don’t forget to run

flutter clean

Signing and keystore

# for generating android java Keystore
keytool -genkey -v -keystore my-release-key.keystore -alias alias_name -keyalg RSA -sigalg SHA1withRSA -keysize 2048 -validity 10000
my build.gradle
signingConfigs {
        release {
            keyAlias keystoreProperties['keyAlias']
            keyPassword keystoreProperties['keyPassword']
            storeFile file(keystoreProperties['storeFile'])
            storePassword keystoreProperties['storePassword']
        }
    }
    buildTypes {
        release {
            signingConfig signingConfigs.release
minifyEnabled true
            useProguard true
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }
}
folder structure:
Project
-Android
|-- .gradle
|-- app
|   |-- src
|   |   `-- main
|   |       |-- java
|   |       |-- res
|   |       `-- AndroidManifest.xml
|   `-- build.gradle
|-- gradle
|   `-- wrapper
|-- gradle.properties
|-- gradlew
|-- local.properties
|-- proguard-rules.pro
|-- gradlew.bat
`-- key.properties
i left out files under wrapper, java, and res
key.properties
storePassword=<placeholder1>
keyPassword=<placeholder1>
keyAlias=key
storeFile=</Users/Conner/key.jks>
Step-2:
Build AppBundle:
flutter build appbundle --target-platform android-arm,android-arm64,android-x64 --obfuscate --split-debug-info=/<directory>
Build APK:
flutter build apk --target-platform android-arm,android-arm64,android-x64 --split-per-abi --obfuscate --split-debug-info=/<directory>