listview

How to maintain the state of widget in ListView?

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Add the AutomaticKeepAliveClientMixin mixin to your State of your StatefulWidget (Item widget), override the wantKeepAlive method and return true. class _MarkWidgetState extends State<MarkWidget> with AutomaticKeepAliveClientMixin{ … @override Widget build(BuildContext context) { // call this method. super.build(context); … } @override bool get wantKeepAlive => true; } More info here: https://docs.flutter.io/flutter/widgets/AutomaticKeepAliveClientMixin-mixin.html

Flutter: ListView not scrollable, not bouncing

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To always have the scroll enabled on a ListView you can wrap the original scroll phisics you want with the AlwaysScrollableScrollPhysics class. More details here. If you want you can specify a parent or rely on the default. Here is your example with the option added: import ‘package:flutter/material.dart’; void main() => runApp(new MyApp()); class MyApp … Read more

SwiftUI Row Height of List – how to control?

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Use Environment variable to set min Height of the row in the list and after that change the HStack frame height to your desired height. Here is the code: var body: some View { VStack { Text(“Pressure Readings”) .font(.system(size: 30)) List(pressureList) { row in HStack { Spacer() Text(row.timeStamp) Text(“—>”) Text(String(row.pressureVal)) Spacer() }.frame(height: 10) }.environment(\.defaultMinListRowHeight, 10) … Read more

ListView grid in React Native

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You need to use a combination of flexbox, and the knowledge that ListView wraps ScrollView and so takes on its properties. With that in mind you can use the ScrollView’s contentContainerStyle prop to style the items. var TestCmp = React.createClass({ getInitialState: function() { var ds = new ListView.DataSource({rowHasChanged: (r1, r2) => r1 !== r2}); var … Read more

Flutter: ListView in a SimpleDialog

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Just wrap ListView.builder in a Container with a specific height and width. Widget setupAlertDialoadContainer() { return Container( height: 300.0, // Change as per your requirement width: 300.0, // Change as per your requirement child: ListView.builder( shrinkWrap: true, itemCount: 5, itemBuilder: (BuildContext context, int index) { return ListTile( title: Text(‘Gujarat, India’), ); }, ), ); } … Read more