flutter-layout

问题 I am battling this DropDownItem box error, everything seems to work, but pops up the yellow out of bounds while it loads. Tried several things and can not get it resolved. I have this code for my Widget . @override Widget build(BuildContext context) { var _children = <Widget>[ !_createNew ? _referrerPractice() : _referrerCreate(), ]; return new Scaffold( appBar: new AppBar( title: new Text(widget.title), ), body: new Column( mainAxisSize: MainAxisSize.max, children: _children, )); } I then

问题 I am battling this DropDownItem box error, everything seems to work, but pops up the yellow out of bounds while it loads. Tried several things and can not get it resolved. I have this code for my Widget . @override Widget build(BuildContext context) { var _children = <Widget>[ !_createNew ? _referrerPractice() : _referrerCreate(), ]; return new Scaffold( appBar: new AppBar( title: new Text(widget.title), ), body: new Column( mainAxisSize: MainAxisSize.max, children: _children, )); } I then

问题 I am battling this DropDownItem box error, everything seems to work, but pops up the yellow out of bounds while it loads. Tried several things and can not get it resolved. I have this code for my Widget . @override Widget build(BuildContext context) { var _children = <Widget>[ !_createNew ? _referrerPractice() : _referrerCreate(), ]; return new Scaffold( appBar: new AppBar( title: new Text(widget.title), ), body: new Column( mainAxisSize: MainAxisSize.max, children: _children, )); } I then

问题 I am battling this DropDownItem box error, everything seems to work, but pops up the yellow out of bounds while it loads. Tried several things and can not get it resolved. I have this code for my Widget . @override Widget build(BuildContext context) { var _children = <Widget>[ !_createNew ? _referrerPractice() : _referrerCreate(), ]; return new Scaffold( appBar: new AppBar( title: new Text(widget.title), ), body: new Column( mainAxisSize: MainAxisSize.max, children: _children, )); } I then

问题 I have created method and widget , right now my code is working fine because data is static , i want to add new item in ListTile when i press Add Button. method: Card listSectionMethod(String title, String subtitle, IconData icon) { return new Card( child: ListTile( title: Text( title, style: TextStyle(fontWeight: FontWeight.bold), ), subtitle: Text(subtitle), trailing: Icon( icon, color: Colors.blue, ), ), ); } Widget: Widget listSection = Container( margin: EdgeInsets.only(top: 210), child:

问题 I'm attempting to build the following layout in Flutter. I'm looking to achieve 2 things: Render a background that draws a diagonal side (I'm guessing through a BoxDecoration) Have the pink container clip children along the diagonal side - i.e. if the text is too large for one line it should wrap to a new line. Any ideas? 回答1: There are multiple ways you could do this. One would be to use a CustomPainter to use it as the background and have it draw the pink + picture. Another way would be to

问题 I have newly installed Flutter on Android Studio. I had a source code of flutter which I want to open using it. I installed the latest flutter plugin and flutter SDK. But when I try to run the app, it shows me the following error: Compiler message: /C:/Flutter%20SDK/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_svg-0.14.4/lib/src/picture_stream.dart:92:3: Error: The superclass, 'Diagnosticable', has no unnamed constructor that takes no arguments. PictureStream(); ^^^^^^^^^^^^^ /C:

问题 I am creating the tutorial screen in which the two views like:- one is should be in the center of the screen and another should at the bottom of the screen. But my both view is not proper, please check the below images. I have done some lines of the code to do it but the not getting the proper solution, please check below code once import 'package:flutter/material.dart'; import 'package:page_indicator/page_indicator.dart'; import 'login_screen.dart'; class Tutorial extends StatefulWidget {

问题 I am using the PageView for the view-pager functionality and showing the image on each page with contains some text and button on each page. As I am using the Stack widget for putting the view on one another like Relative-layout in Android , But My Image on the First Page of the PageView is not set to fit on the screen I have tried the below solution like below 1).First link 2). Second Link But not getting the proper solution, I have tried the below lines of code for it, class

问题 I write the following code and when I click the next Log in button I get the following error when clicking the login button. type 'Future' is not a subtype of type 'String' I want to compare the "Phone" with the user input phone number. How can I verify that which the user enters Phone is the same which in firestore or not? my code is: import 'package:firebase_auth/firebase_auth.dart'; import 'package:flutter/material.dart'; import 'package:fmiantrader/splash.dart'; import 'componenets.dart';