hasAsset property
是否包含asset文件
Implementation
Future<bool> get hasAsset async {
if (this.isEmptyString) {
return false;
}
final encoded = utf8.encoder.convert(Uri(path: Uri.encodeFull(this!)).path);
final asset =
await ServicesBinding.instance.defaultBinaryMessenger.send('flutter/assets', encoded.buffer.asByteData());
return asset != null;
}