flutter_advanced_networkimage 0.2.4

An advanced image provider for flutter.

Flutter Advanced Network Imageprovider

An advanced image provider provides caching and retrying for flutter app. Now with zoomable widget and transition to image widget.

Getting Started

Installation

Add this to your pubspec.yaml (or create it):

dependencies:
  flutter_advanced_networkimage: any

Then run the flutter tooling:

flutter packages get

Example

// using image provider
new Image(
  image: new AdvancedNetworkImage(url, header: header, useDiskCache: true),
  fit: BoxFit.cover,
)

// get the disk cache folder size
int folderSize = await getDiskCachedImagesSize();

// clean the disk cache
bool isSucceed = await clearDiskCachedImages();

// using zooming widget & transitiontoimage widget
new ZoomableWidget(
  minScale: 0.3,
  maxScale: 2.0,
  child: new Container(
    child: new TransitionToImage(
      new AdvancedNetworkImage(url),
      // This is the default placeholder widget at loading status,
      // you can write your own widget with CustomPainter.
      placeholder: new CircularProgressIndicator(),
      // This is default duration
      duration: new Duration(milliseconds: 300),
      fallbackWidget: new DecoratedBox(...),
    ),
  ),
)

// using reload feature(you can use a `GestureDetector`
// widget to wrap `TransitionToImage` widget)
TransitionToImage imageWidget = new TransitionToImage(
  new AdvancedNetworkImage(url),
  useReload: true,
  reloadWidget: new Icon(Icons.replay),
);
new ZoomableWidget(
  minScale: 0.3,
  maxScale: 2.0,
  child: imageWidget,
  tapCallback: imageWidget.reloadImage,
),

Details in example/ folder.

Q&A

• Q: Why the cached files stored in documents directory instead of temporary directory?
  A: I think your cached files should be a part of your app, and you can manual clear your cached files.