notificationIcon property
Name of a mipmap or drawable resource used as the small icon; empty
uses the app icon. Android shows only the alpha channel, so use a
transparent, single-color icon.
Implementation
final String notificationIcon;
Name of a mipmap or drawable resource used as the small icon; empty
uses the app icon. Android shows only the alpha channel, so use a
transparent, single-color icon.
final String notificationIcon;