To help avoid this issue, use a mipmap-* pattern for folder names instead of drawable-*: For example, the tools might remove the drawable-xxhdpi folder, even though Amazon uses the xxhdpi icon file on xhdpi devices. Solution: Some tools build an APK for a specific density and remove other drawables. Problem: Your drawable-* folder was removed in build-time APK optimization. To help ensure that the launcher selects the correct icon, only include icons in the resource folders listed in the table on this page. Solution: If you provide the launcher icon for a configuration such as drawable-large-mdpi, Android resource-resolution rules might select the icon from that folder instead of the appropriate folder.įor the Android resource resolution algorithm. Problem: The wrong icon is displayed or the icon is scaled up or down and looks bad. If your launcher icon is not displaying as expected, consider the following: Provide the images for your launcher icons in 24-bit PNG format. Make sure that your icons are in the appropriate res folders so that the launcher can find them: Generalized density Icon size and densitiesĬreate a version of your icon at each of the following dimensions and include the images in your APK. To display large and crisp icons on a device, the launcher fetches the icon with a density higher than that of the device. The launcher avoids scaling launcher icons, unless absolutely necessary.

Note that the following sections apply to Fire OS 5 and Fire OS 6. (This is a change from earlier versions of Fire OS, where the launcher used the launcher icon that you uploaded to the developer portal when submitting your app.)Īs you create your launcher icons, be aware of the following guidelines and troubleshooting. For commonality with Android, starting in Fire OS 5, Amazon uses icons from your APK. The launcher icon for your app (sometimes called an 'app icon') is the icon that a user taps to start your app. Legacy Device Support for Older Versions of Fire OS.Install and Use the Amazon Web App Tester.Automatically Scale an Element to Fill the Screen.Detect the Device Display Characteristics.Take Screenshots on Fire Devices and Android Tablets.Fire Tablet Specifications: Fire HDX Models.Fire Tablet Specifications: Fire Models.Fire Tablet Specifications: Fire HD Models.Set Up Your Development Environment for Fire Tablets.

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