generateUiImgFromFilePath function
用沙盒中的图片生成ui.Image
Implementation
Future<ui.Image> generateUiImgFromFilePath(String path) async {
final Uint8List data = await File(path).readAsBytes();
final ui.Codec codec = await ui.instantiateImageCodec(data);
final ui.FrameInfo frameInfo = await codec.getNextFrame();
return frameInfo.image;
}