Open an icon, then Maskable.app will let you try various shapes and sizes, and you can share the preview with others on your team. To test your maskable icon with the variety of Android shapes, use the Maskable.app tool Tiger created. If your logo is visible within this safe area, you're good to go. Your icons will be trimmed so that only the safe area is visible. In the Icons section, you can choose to Show only the minimum safe area for maskable icons. With your Progressive Web App open, launch DevTools and navigate to the Application panel. You can check which parts of your icons land within the safe zone with Chrome DevTools. The important parts of your icon, such as your logo, should be within a circular area in the center of the icon with a radius equal to 40% of the icon width. Luckily, there's a well-defined and standardized 'minimum safe zone' that all platforms respect. It's best not to rely on any particular shape, since the ultimate shape varies by browser and platform. Since maskable icons need to support a variety of shapes, you supply an opaque image with some padding that the browser can crop to the required shape and size. Maskable icons cover the entire circle instead. Firefox and Chrome have recently added support for this new format, and you can adopt it in your apps. If you supply a maskable icon, your icon can fill up the entire shape and look great on all Android devices. Maskable icons are a new icon format that give you more control and let your Progressive Web App use adaptive icons. Transparent PWA icons appear inside white circles on Android. Icons that don't follow this new format are given white backgrounds. Android Oreo introduced adaptive icons, which display app icons in a variety of shapes across different device models. If you've installed a Progressive Web App on a recent Android phone, you might notice the icon shows up with a white background. Acknowledgements What are maskable icons? #.

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