inConfig method
Returns whether the current platform is in the given configuration data.
For an Android implementation,
inConfig might check for the presence of the
"android" key in config.
Implementation
@override
bool inConfig(final Map<String, dynamic> config) {
return config.containsKey('android') &&
config.containsKey('adaptive_icon_background') &&
config.containsKey('adaptive_icon_foreground');
}