Let’s start: first Add icon inside the drawable folder for notification icon . Note: The notification icon which you want to add should be transparent. If the transparent icon is not added, then by default grey icon is getting display even you followed all steps properly.
Read moreWhat is the size of APK icon?
List of Android Icon Sizes and Locations in the Apps Project DensitysizeMarginXHDPI96x966 to 8 pixelsHDPI72x724 to 6 pixelsMDPI48x483 to 4 pixelsLDPI (optional)36×362 to 3 pixelsAndroid Icon Size – Launcher and Google Play Store | Tek Eye tekeye.uk › android › android-icon-size
Read moreWhat is the size of APK icon?
List of Android Icon Sizes and Locations in the Apps Project DensitysizeMarginXHDPI96x966 to 8 pixelsHDPI72x724 to 6 pixelsMDPI48x483 to 4 pixelsLDPI (optional)36×362 to 3 pixelsAndroid Icon Size – Launcher and Google Play Store | Tek Eye tekeye.uk › android › android-icon-size
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