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(),
);
}If you found any issue in the newest beta version, please try stable version [0.1.4]. Please give us a star if you like this widget. Your star could help us update or fix bugs quickly.
When I was working at Google, I created a feature request at Buganizer about the preload function. At my part time(I'm not part of the Flutter team) I worked to add the preload function to Flutter official page_view widget and fix the bugs you all reported in this repo.
Suddenly Google announced a 12k layoff and my team disappeared so I'm back to maintain this widget! If you think this widget helps and want to buy me a cup of coffee to help me fix bugs, please click this PayPal link, thanks in advance :)