flutter-layout

问题 Dears, I have 2 qestions in flutter If you don't mind. 1- How to change the color of the cursor as it default blue and I don't like it 2- how can I make the text at the bottom of the screen whatever the screen size. ?? Thank you in advance. 回答1: put cursorColor: Colors.white, inside TextFormField 回答2: For question 1 you can set the cursorColor for theme attribute when calling MaterialApp like the below new MaterialApp( title: "Flutter App", theme: ThemeData( cursorColor: Colors.red, home:

问题 with this below implementation code we have this custom shape design: and in this design i want to change that to: as i just learn create custom shape i can't do that, is any body can help me how to achieve that? thanks import 'package:flutter/material.dart'; class WaveClipperTwo extends CustomClipper<Path> { bool reverse; WaveClipperTwo({this.reverse = false}); @override Path getClip(Size size) { var path = Path(); if(!reverse) { path.lineTo(0.0, size.height - 20); var firstControlPoint =

问题 Would it be possible to have a page route with a transparent background so I can show a (semi-)transparent page on top of an existing page? 回答1: Yes, definitely! One solution would be to extend PageRoute and make the opaque getter return false. A possible solution could look like the following: import 'package:flutter/widgets.dart'; class TransparentRoute extends PageRoute<void> { TransparentRoute({ @required this.builder, RouteSettings settings, }) : assert(builder != null), super(settings:

问题 I looked up here and pub.dev and flutter docs but could not find(or could not word my query) any solution for this simple task. I want to display a String with its letters going from up to down while keeping the letter orientations default. So a rotated Text() would not work. My desired outcome is this: H E L T L H O A N W K O S R ❤️ L D Also, I would need to wrap the String to the next line(column in this case) A height parameter is necessary to limit the number of letters from top to down

问题 What is the alternative to Recycle view in flutter I have tried using this code but how to do Animination with listview widget in flutter Is this valid? ListView( children: <Widget>[ ListTile( leading: Icon(Icons.map), title: Text('Map'), ), ListTile( leading: Icon(Icons.photo_album), title: Text('Album'), ), ListTile( leading: Icon(Icons.phone), title: Text('Phone'), ), ], ); 回答1: You can also use animatedlist widget for animations. code example are given in the following link. AnimatedList

问题 I have a TabBarView() with an amount of different views. I want of them to be a Column with a TextField at top and a ListView.Builder() below, but both widgets should be in the same scrollable area (scrollview). The way I implemented it threw some errors: @override Widget build(BuildContext context) { return new Column( mainAxisAlignment: MainAxisAlignment.center, mainAxisSize: MainAxisSize.max, children: <Widget>[ new Padding( padding: EdgeInsets.symmetric(horizontal: 16.0, vertical: 8.0),

问题 I'm trying to create a ListView but when I import the list_form.dart class i get this error. Maybe I made some mistakes with the layout because if I try to run it inside the main file I don't get this error. This is the error: I/flutter (12956): ══╡ EXCEPTION CAUGHT BY RENDERING LIBRARY ╞═════════════════════════════════════════════════════════ I/flutter (12956): The following assertion was thrown during performResize(): I/flutter (12956): Vertical viewport was given unbounded height. I

问题 I'm trying to create a ListView but when I import the list_form.dart class i get this error. Maybe I made some mistakes with the layout because if I try to run it inside the main file I don't get this error. This is the error: I/flutter (12956): ══╡ EXCEPTION CAUGHT BY RENDERING LIBRARY ╞═════════════════════════════════════════════════════════ I/flutter (12956): The following assertion was thrown during performResize(): I/flutter (12956): Vertical viewport was given unbounded height. I

问题 Here solved question about design this layout. I have a problem to using that, because of this curve on right of screen is not widget and when I want to have some other widgets in green side, I can't, because designed curve is not widget its clipped from green layout. Suppose I want to have this curve on right of screen and some widget in below of that. Source code import 'package:flutter/material.dart'; void main() { runApp(MaterialApp(home: Scaffold(body: Test()))); } class Test extends

问题 How to Get the Number of Text Lines In our Flutter project, we need to determine if the number of lines of text exceeds 3, then we will display a prompt message. How can we use the code to implement it? 回答1: If you simply want to check for how many newlines the text contains, you can do a simple final numLines = '\n'.allMatches(yourText).length + 1; However, I guess you're more interested in the number of lines that are actually being displayed visually. Here, things get a little more