How to create an app icon and launch screen for flutter
- Use Canva to create a icon design and download the png file. Please be noted you should open the image file and export an image with no alpha channel because iOS's restriction.
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- Install the flutter_launch_icons plugin. Please be noted you'd better install it into dev_dependencies rather than dependencies.
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#pubspec.yaml
dev_dependencies:
flutter_test:
sdk: flutter
flutter_launcher_icons: ^0.7.5
flutter_icons:
android: true
ios: true
image_path: "dev_assets/icon.png"
adaptive_icon_background: "#ED7F61"
adaptive_icon_foreground: "dev_assets/icon.png"
- Copy the icon to the dev_assets of the project, and open the icon image to get the background color and put into the adaptive_icon_backgound.
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- Run the following command to generate all relevant icons.
flutter pub run flutter_launcher_icons:main
- Add the following content into the launch_background.xml of the Android part.
<item>
<color android:color="@color/ic_launcher_background" />
</item>
<item>
<bitmap android:gravity="center"
android:src="@drawable/ic_launcher_foreground" />
</item>
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- Install the app into the Android simulator and see the result.
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- Please be noted the Android app name could be specified in the AndroidManifest.xml file.
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- Please be noted the iOS app name could be specified in the Info.plist file.
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- Open the ios project by Xcode and drag the logo into the LaunchImage part.
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- Change the icon background color for iOS.
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- Now you should run the following command to build iOS app rather than build it in Xcode.
- Install the app into the iOS simulator and see the result.
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- For Google Play feature graphic image, you could easily use this website to generate a simple one.