generateUiImgFromAssetsPath function
用assets中的图片生成ui.Image
Implementation
Future<ui.Image> generateUiImgFromAssetsPath(String path) async {
final byteData = await rootBundle.load(path);
final Uint8List bytes = byteData.buffer.asUint8List();
final Completer<ui.Image> completer = Completer();
ui.decodeImageFromList(bytes, (ui.Image img) {
return completer.complete(img);
});
return completer.future;
}