Update Branding
Your app needs your brand that's why you need to also update your app icons, splash, logo name and colors.
It's really simple to update all.
Step 1: Get your logos and icons in to the project
Copy your logo and paste your icons and logo, make sure to use exactly name and format you will found in these folders:
.../assets/icons
and.../assets/images

Step 2: Run commands
Run commands to automatically create Icons, Splashes Screen, and place logos everywhere's needed
Open the terminal within Android Studio by selecting View > Tool Windows > Terminal.
Run command to generate splash screen:
dart run flutter_native_splash:create
Run command to generate icons and logo:
flutter pub run flutter_launcher_icons
Step 3: Change app colors
To change your app colors, go and open
.../lib/theme/colors.dart
fileFind kPrimaryColor, kSecondaryColor and kPrimaryLightColor
Click on each line and change them, then save.