typedef ImageFrameBuilder = Widget Function( BuildContext context, Widget child, int frame, bool wasSynchronouslyLoaded, ); frameBuilder 帧构造器用于控制在 Image 构建时小部件签名,其中 child 用于保存默认 Image 图片并且不可为空;frame 为渲染 Image 帧数下标,默认为首帧;可以通过 frameBuilder 设置图片基...
putIfAbsent(Object key, ImageStreamCompleter loader(), { ImageErrorListener? onError }) { // 根据key从正在加载的map里获取缓存,如果有直接返回 ImageStreamCompleter? result = _pendingImages[key]?.completer; if (result != null) { return result; } // 检查内存缓存,存在的话更新存活map final _Ca...
2.1Flutter端的路由监测方式 classRouterTrackObserverextendsNavigatorObserver{finalFunction(String) pvEventTrancking;finalList<String> routeList =List(); RouterTrackObserver({this.pvEventTrancking});@overridevoiddidPush(Route route, Route previousRoute) {if(routeList.length !=0) { pvEventTrancking("${...
Future<Response<CasesModel>> postCases(List<int> image) { final form = FormData({ 'file': MultipartFile(image, filename: 'avatar.png'), 'otherFile': MultipartFile(image, filename: 'cover.png'), }); return post('http://youapi/users/upload', form); } GetSocket userMessages() { retu...
此部分对应上述bitmap_canvas.dart中的drawImageRect drawImageRect$4: function(image, src, dst, paint...
{varappDocDir =awaitgetTemporaryDirectory();StringsavePath = appDocDir.path +"/temp.gif";StringfileUrl ="https://hyjdoc.oss-cn-beijing.aliyuncs.com/hyj-doc-flutter-demo-run.gif";awaitDio().download(fileUrl, savePath);finalresult =awaitImageGallerySaver.saveFile(savePath, isReturnPathOfIOS...
GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR GCC_WARN_UNDECLARED_SELECTOR = YES GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE GCC_WARN_UNUSED_FUNCTION = YES GCC_WARN_UNUSED_VARIABLE = YES GENERATED_MODULEMAP_DIR = /Users/aryunaferreranakamura/Library/Developer/Xcode/DerivedData /Runner-gwleamalzosdz...
So is there a way to select yuv420 and then modify the function that converts CameraImage to InputImage and supports padding resolution devices also? I appreciate it.ghost commented May 29, 2023 that's definitely a potential issue on lower end devices. I would say maybe you can get bette...
And finally, let’s call that new function from our build method. Copy @override Widget build(BuildContext context) { _updateDualScreenInfo(); ... // The rest of the build method } That’s it! Now we have an application that will work on both a dual-screen and single-screen device....
Function 项目源码 ///图片加载出错的构建函数/// 本地图片构建出错返回堆栈信息 网络图片返回网络路径typedefImageErrorBuilder=WidgetFunction(BuildContext context,dynamicerror,dynamicurl,);classHcImageextendsStatelessWidget{//图片地址finalString imagePath;//图片出错的占位符finalImageErrorBuilder?errorBuilder;//加载...