By default, your app uses the Flutter icon as the app’s icon. This is not good for branding as your app will have a generic-looking icon. It is highly recommended that you replace the default icon with your own brand’s logo. This can be accomplished with a few steps:
You need to add your brand’s logo to the project. The recommended size for the logo is 512×512 pixels. Once you have added the logo, you can update the pubspec.yaml file to reference it.
After preparing the logo, you can start import flutter_launcher_icons package. This package makes it a breeze to change your icon, and it comes with a variety of great features to make things even easier.
Next, you need to configure the app’s launcher icon. This is done by specifying the “image_path” key in the pubspec.yaml file.
dev_dependencies: flutter_test: sdk: flutter flutter_launcher_icons: ^0.9.2 flutter_icons: android: true ios: true image_path: "assets/icon/my_custom_launcher.png"