AssetBundleImageKey constructor

const AssetBundleImageKey({@required AssetBundle bundle, @required String name, @required double scale })

Creates the key for an AssetImage or AssetBundleImageProvider.

The arguments must not be null.

Implementation 

const AssetBundleImageKey({
  @required this.bundle,
  @required this.name,
  @required this.scale
}) : assert(bundle != null),
     assert(name != null),
     assert(scale != null);