Like the name, this is the widget to support Pre-load function for PageView widget.
For better user experience sometimes we need pre-load the images
/web requests
before user really scrolled to next PageView but the official PageView don't support that.So this is the time to use PreloadPageView
.
Everything is similar like PageView, you need PreloadPageView.builder
and PreloadPageController
to create the PreloadPageView.
Also you can use preloadPagesCount
to set preload pages count when you need.
@override
Widget build(BuildContext context) {
return new PreloadPageView.builder(
itemCount: ...,
itemBuilder: ...,
onPageChanged: (int position) {...},
.....
preloadPagesCount: 3,
controller: PreloadPageController(),
);
}