Listview 颤振:拉动刷新和流生成器
我想要一个RefreshIndicator,作为一个孩子,它有一个构建列表的StreamBuilder,但是,它不起作用。这是我的代码:Listview 颤振:拉动刷新和流生成器,listview,stream,flutter,refresh,pull-to-refresh,Listview,Stream,Flutter,Refresh,Pull To Refresh,我想要一个RefreshIndicator,作为一个孩子,它有一个构建列表的StreamBuilder,但是,它不起作用。这是我的代码: return Scaffold( appBar: buildAppBar(context), body:RefreshIndicator( onRefresh: _refresh, child:StreamBuilder( strea
return Scaffold(
appBar: buildAppBar(context),
body:RefreshIndicator(
onRefresh: _refresh,
child:StreamBuilder(
stream: list.stream,
builder: (context, snapshot) {
return buildListView(snapshot)
}
Future<Null> _refresh() async {
loadList.sink.add(x);
return null;
}
返回脚手架(
appBar:buildAppBar(上下文),
正文:刷新指示器(
onRefresh:\u refresh,
孩子:StreamBuilder(
stream:list.stream,
生成器:(上下文,快照){
返回buildListView(快照)
}
Future\u refresh()异步{
loadList.sink.add(x);
返回null;
}
什么不起作用?什么是loadList,什么是list variables/它根本不允许我拉。就像他不认识你方法中的手势一样-buildListView
addListView(物理:const-AlwaysScrollableScrollPhysics(),