Steps to change app name in Android:

  • Navigate to the android>app> src>main and open the AndroidManifest.xml file.

  • Under the application tag, Find the android:label and replace its value with the new app name.

Steps to change app icon in Android:

  • Prepare icon 512x512 (px)
  • Create assets folder in project, copy icon to assets folder:

Open file pubspec.yaml

Replace: 

dev_dependencies:
flutter_test:
sdk: flutter

To:

dev_dependencies:
flutter_test:
sdk: flutter
flutter_launcher_icons:
git:
url: https://github.com/Davenchy/flutter_launcher_icons.git
ref: fixMinSdkParseFlutter2.8
flutter_icons:
android: "launcher_icon"
ios: true
image_path: "assets/icon.png"

Open terminal, Run:

  • flutter pub get flutter
  • flutter pub run flutter_launcher_icons:main

Run project, result:

Video Demo and Source Code:

 

Source Code