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How to fix TextFormField cause rebuild widget in Flutter
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0
I've got the same issue at #9280. I tried all solutions from that topic with/without GlobalKey for Scaffold and Form but the problem wasn't fixed.
I tried to build a authentication form with login and signup. But the keyboard doesn't show when I tap the TextFormField at the first time. Then I try to input some letter from physical keyboard, the widget is rebuilt. Like this:
login screen
Nothing to be log when I run flutter run --verbose, so I logged manually. Every tapping on field, the widget called dispose -> init -> build.
[√] Flutter (Channel beta, v1.0.0, on Microsoft Windows [Version 10.0.17763.195], locale en-US)
• Flutter version 1.0.0 at D:flutter
• Framework revision 5391447fae (5 weeks ago), 2018-11-29 19:41:26 -0800
• Engine revision 7375a0f414
• Dart version 2.1.0 (build 2.1.0-dev.9.4 f9ebf21297)
[√] Android toolchain - develop for Android devices (Android SDK 28.0.3)
• Android SDK at C:UsersPeterHoAppDataLocalAndroidsdk
• Android NDK location not configured (optional; useful for native profiling support)
• Platform android-28, build-tools 28.0.3
• Java binary at: C:Program FilesAndroidAndroid Studiojrebinjava
• Java version OpenJDK Runtime Environment (build 1.8.0_152-release-1136-b06)
• All Android licenses accepted.
[√] Android Studio (version 3.2)
• Android Studio at C:Program FilesAndroidAndroid Studio
• Flutter plugin version 29.1.1
• Dart plugin version 181.5656
• Java version OpenJDK Runtime Environment (build 1.8.0_152-release-1136-b06)
[√] VS Code, 64-bit edition (version 1.30.1)
• VS Code at C:Program FilesMicrosoft VS Code
• Flutter extension version 2.21.1
[√] Connected device (1 available)
• Android SDK built for x86 • emulator-5554 • android-x86 • Android 9 (API 28) (emulator)
• No issues found!
My code:
import 'package:flutter/material.dart';
import 'package:successhunter/style/theme.dart' as Theme;
import 'package:successhunter/utils/helper.dart' as Helper;
class LoginPage extends StatefulWidget {
_LoginPageState createState() => _LoginPageState();
}
class _LoginPageState extends State<LoginPage> {
// Variable
double screenWidth;
double screenHeight;
PageController _pageController;
// Business
@override
void initState() {
super.initState();
_pageController = PageController();
}
@override
void dispose() {
_pageController.dispose();
super.dispose();
}
// Layout
@override
Widget build(BuildContext context) {
screenHeight = MediaQuery.of(context).size.height;
screenWidth = MediaQuery.of(context).size.width;
return Scaffold(
body: Stack(
alignment: AlignmentDirectional.topCenter,
children: <Widget>[
_buildHeaderSection(context),
_buildAuthSection(context),
],
),
);
}
Widget _buildHeaderSection(BuildContext context) {
return Column(
mainAxisAlignment: MainAxisAlignment.start,
crossAxisAlignment: CrossAxisAlignment.center,
mainAxisSize: MainAxisSize.max,
children: <Widget>[
Stack(
alignment: AlignmentDirectional.center,
children: <Widget>[
Helper.buildHeaderBackground(context),
Text(
'Success Hunter',
style: Theme.header1Style.copyWith(
color: Colors.white,
fontSize: 30.0,
),
),
],
),
Container(
color: Colors.white,
),
],
);
}
Widget _buildAuthSection(BuildContext context) {
return Column(
mainAxisAlignment: MainAxisAlignment.start,
crossAxisAlignment: CrossAxisAlignment.center,
children: <Widget>[
Container(
height: screenHeight * 0.25,
),
Container(
height: screenHeight * 0.73,
width: screenWidth - 20.0,
child: Card(
elevation: 10.0,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(10.0),
),
child: _buildAuthPageView(context),
),
),
],
);
}
Widget _buildAuthPageView(BuildContext context) {
return PageView(
controller: _pageController,
children: <Widget>[
_buildLoginView(context),
],
);
}
Widget _buildLoginView(BuildContext context) {
return ListView(
children: <Widget>[
Container(
padding: const EdgeInsets.all(15.0),
child: Center(
child: Text(
'LOGIN',
style: Theme.header2Style.copyWith(
color: Theme.Colors.mainColor,
),
),
),
),
Column(
mainAxisAlignment: MainAxisAlignment.start,
crossAxisAlignment: CrossAxisAlignment.center,
children: <Widget>[
Padding(
padding: const EdgeInsets.all(15.0),
child: TextFormField(
keyboardType: TextInputType.emailAddress,
decoration: InputDecoration(
hintText: 'someone@email.com',
labelText: 'Email',
labelStyle: Theme.contentStyle.copyWith(
color: Theme.Colors.thirdColor,
),
),
),
),
Padding(
padding: const EdgeInsets.all(15.0),
child: TextFormField(
decoration: InputDecoration(
labelText: 'Password',
labelStyle: Theme.contentStyle.copyWith(
color: Theme.Colors.thirdColor,
),
),
),
),
],
),
],
);
}
}
flutter asked Jan 3 at 8:24
Peter HoPeter Ho
11
add a comment |
0
I've got the same issue at #9280. I tried all solutions from that topic with/without GlobalKey for Scaffold and Form but the problem wasn't fixed.
I tried to build a authentication form with login and signup. But the keyboard doesn't show when I tap the TextFormField at the first time. Then I try to input some letter from physical keyboard, the widget is rebuilt. Like this:
login screen
Nothing to be log when I run flutter run --verbose, so I logged manually. Every tapping on field, the widget called dispose -> init -> build.
[√] Flutter (Channel beta, v1.0.0, on Microsoft Windows [Version 10.0.17763.195], locale en-US)
• Flutter version 1.0.0 at D:flutter
• Framework revision 5391447fae (5 weeks ago), 2018-11-29 19:41:26 -0800
• Engine revision 7375a0f414
• Dart version 2.1.0 (build 2.1.0-dev.9.4 f9ebf21297)
[√] Android toolchain - develop for Android devices (Android SDK 28.0.3)
• Android SDK at C:UsersPeterHoAppDataLocalAndroidsdk
• Android NDK location not configured (optional; useful for native profiling support)
• Platform android-28, build-tools 28.0.3
• Java binary at: C:Program FilesAndroidAndroid Studiojrebinjava
• Java version OpenJDK Runtime Environment (build 1.8.0_152-release-1136-b06)
• All Android licenses accepted.
[√] Android Studio (version 3.2)
• Android Studio at C:Program FilesAndroidAndroid Studio
• Flutter plugin version 29.1.1
• Dart plugin version 181.5656
• Java version OpenJDK Runtime Environment (build 1.8.0_152-release-1136-b06)
[√] VS Code, 64-bit edition (version 1.30.1)
• VS Code at C:Program FilesMicrosoft VS Code
• Flutter extension version 2.21.1
[√] Connected device (1 available)
• Android SDK built for x86 • emulator-5554 • android-x86 • Android 9 (API 28) (emulator)
• No issues found!
My code:
import 'package:flutter/material.dart';
import 'package:successhunter/style/theme.dart' as Theme;
import 'package:successhunter/utils/helper.dart' as Helper;
class LoginPage extends StatefulWidget {
_LoginPageState createState() => _LoginPageState();
}
class _LoginPageState extends State<LoginPage> {
// Variable
double screenWidth;
double screenHeight;
PageController _pageController;
// Business
@override
void initState() {
super.initState();
_pageController = PageController();
}
@override
void dispose() {
_pageController.dispose();
super.dispose();
}
// Layout
@override
Widget build(BuildContext context) {
screenHeight = MediaQuery.of(context).size.height;
screenWidth = MediaQuery.of(context).size.width;
return Scaffold(
body: Stack(
alignment: AlignmentDirectional.topCenter,
children: <Widget>[
_buildHeaderSection(context),
_buildAuthSection(context),
],
),
);
}
Widget _buildHeaderSection(BuildContext context) {
return Column(
mainAxisAlignment: MainAxisAlignment.start,
crossAxisAlignment: CrossAxisAlignment.center,
mainAxisSize: MainAxisSize.max,
children: <Widget>[
Stack(
alignment: AlignmentDirectional.center,
children: <Widget>[
Helper.buildHeaderBackground(context),
Text(
'Success Hunter',
style: Theme.header1Style.copyWith(
color: Colors.white,
fontSize: 30.0,
),
),
],
),
Container(
color: Colors.white,
),
],
);
}
Widget _buildAuthSection(BuildContext context) {
return Column(
mainAxisAlignment: MainAxisAlignment.start,
crossAxisAlignment: CrossAxisAlignment.center,
children: <Widget>[
Container(
height: screenHeight * 0.25,
),
Container(
height: screenHeight * 0.73,
width: screenWidth - 20.0,
child: Card(
elevation: 10.0,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(10.0),
),
child: _buildAuthPageView(context),
),
),
],
);
}
Widget _buildAuthPageView(BuildContext context) {
return PageView(
controller: _pageController,
children: <Widget>[
_buildLoginView(context),
],
);
}
Widget _buildLoginView(BuildContext context) {
return ListView(
children: <Widget>[
Container(
padding: const EdgeInsets.all(15.0),
child: Center(
child: Text(
'LOGIN',
style: Theme.header2Style.copyWith(
color: Theme.Colors.mainColor,
),
),
),
),
Column(
mainAxisAlignment: MainAxisAlignment.start,
crossAxisAlignment: CrossAxisAlignment.center,
children: <Widget>[
Padding(
padding: const EdgeInsets.all(15.0),
child: TextFormField(
keyboardType: TextInputType.emailAddress,
decoration: InputDecoration(
hintText: 'someone@email.com',
labelText: 'Email',
labelStyle: Theme.contentStyle.copyWith(
color: Theme.Colors.thirdColor,
),
),
),
),
Padding(
padding: const EdgeInsets.all(15.0),
child: TextFormField(
decoration: InputDecoration(
labelText: 'Password',
labelStyle: Theme.contentStyle.copyWith(
color: Theme.Colors.thirdColor,
),
),
),
),
],
),
],
);
}
}
asked Jan 3 at 8:24
Peter HoPeter Ho
11
Tried Your_buildAuthPageViewCode. Works Fine. - Try : To set -targetSdkVersion 27in your -android/app/build.gradlefile instead of28.
– anmol.majhail
Jan 3 at 10:48
Bottom Overflow Error is there in your Code as your Parent Widget is Stack - Try to use Scroll able Widget likeListView.
– anmol.majhail
Jan 3 at 10:50
add a comment |
0
0
0
I've got the same issue at #9280. I tried all solutions from that topic with/without GlobalKey for Scaffold and Form but the problem wasn't fixed.
I tried to build a authentication form with login and signup. But the keyboard doesn't show when I tap the TextFormField at the first time. Then I try to input some letter from physical keyboard, the widget is rebuilt. Like this:
login screen
Nothing to be log when I run flutter run --verbose, so I logged manually. Every tapping on field, the widget called dispose -> init -> build.
[√] Flutter (Channel beta, v1.0.0, on Microsoft Windows [Version 10.0.17763.195], locale en-US)
• Flutter version 1.0.0 at D:flutter
• Framework revision 5391447fae (5 weeks ago), 2018-11-29 19:41:26 -0800
• Engine revision 7375a0f414
• Dart version 2.1.0 (build 2.1.0-dev.9.4 f9ebf21297)
[√] Android toolchain - develop for Android devices (Android SDK 28.0.3)
• Android SDK at C:UsersPeterHoAppDataLocalAndroidsdk
• Android NDK location not configured (optional; useful for native profiling support)
• Platform android-28, build-tools 28.0.3
• Java binary at: C:Program FilesAndroidAndroid Studiojrebinjava
• Java version OpenJDK Runtime Environment (build 1.8.0_152-release-1136-b06)
• All Android licenses accepted.
[√] Android Studio (version 3.2)
• Android Studio at C:Program FilesAndroidAndroid Studio
• Flutter plugin version 29.1.1
• Dart plugin version 181.5656
• Java version OpenJDK Runtime Environment (build 1.8.0_152-release-1136-b06)
[√] VS Code, 64-bit edition (version 1.30.1)
• VS Code at C:Program FilesMicrosoft VS Code
• Flutter extension version 2.21.1
[√] Connected device (1 available)
• Android SDK built for x86 • emulator-5554 • android-x86 • Android 9 (API 28) (emulator)
• No issues found!
My code:
import 'package:flutter/material.dart';
import 'package:successhunter/style/theme.dart' as Theme;
import 'package:successhunter/utils/helper.dart' as Helper;
class LoginPage extends StatefulWidget {
_LoginPageState createState() => _LoginPageState();
}
class _LoginPageState extends State<LoginPage> {
// Variable
double screenWidth;
double screenHeight;
PageController _pageController;
// Business
@override
void initState() {
super.initState();
_pageController = PageController();
}
@override
void dispose() {
_pageController.dispose();
super.dispose();
}
// Layout
@override
Widget build(BuildContext context) {
screenHeight = MediaQuery.of(context).size.height;
screenWidth = MediaQuery.of(context).size.width;
return Scaffold(
body: Stack(
alignment: AlignmentDirectional.topCenter,
children: <Widget>[
_buildHeaderSection(context),
_buildAuthSection(context),
],
),
);
}
Widget _buildHeaderSection(BuildContext context) {
return Column(
mainAxisAlignment: MainAxisAlignment.start,
crossAxisAlignment: CrossAxisAlignment.center,
mainAxisSize: MainAxisSize.max,
children: <Widget>[
Stack(
alignment: AlignmentDirectional.center,
children: <Widget>[
Helper.buildHeaderBackground(context),
Text(
'Success Hunter',
style: Theme.header1Style.copyWith(
color: Colors.white,
fontSize: 30.0,
),
),
],
),
Container(
color: Colors.white,
),
],
);
}
Widget _buildAuthSection(BuildContext context) {
return Column(
mainAxisAlignment: MainAxisAlignment.start,
crossAxisAlignment: CrossAxisAlignment.center,
children: <Widget>[
Container(
height: screenHeight * 0.25,
),
Container(
height: screenHeight * 0.73,
width: screenWidth - 20.0,
child: Card(
elevation: 10.0,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(10.0),
),
child: _buildAuthPageView(context),
),
),
],
);
}
Widget _buildAuthPageView(BuildContext context) {
return PageView(
controller: _pageController,
children: <Widget>[
_buildLoginView(context),
],
);
}
Widget _buildLoginView(BuildContext context) {
return ListView(
children: <Widget>[
Container(
padding: const EdgeInsets.all(15.0),
child: Center(
child: Text(
'LOGIN',
style: Theme.header2Style.copyWith(
color: Theme.Colors.mainColor,
),
),
),
),
Column(
mainAxisAlignment: MainAxisAlignment.start,
crossAxisAlignment: CrossAxisAlignment.center,
children: <Widget>[
Padding(
padding: const EdgeInsets.all(15.0),
child: TextFormField(
keyboardType: TextInputType.emailAddress,
decoration: InputDecoration(
hintText: 'someone@email.com',
labelText: 'Email',
labelStyle: Theme.contentStyle.copyWith(
color: Theme.Colors.thirdColor,
),
),
),
),
Padding(
padding: const EdgeInsets.all(15.0),
child: TextFormField(
decoration: InputDecoration(
labelText: 'Password',
labelStyle: Theme.contentStyle.copyWith(
color: Theme.Colors.thirdColor,
),
),
),
),
],
),
],
);
}
}
asked Jan 3 at 8:24
Peter HoPeter Ho
11
I've got the same issue at #9280. I tried all solutions from that topic with/without GlobalKey for Scaffold and Form but the problem wasn't fixed.
I tried to build a authentication form with login and signup. But the keyboard doesn't show when I tap the TextFormField at the first time. Then I try to input some letter from physical keyboard, the widget is rebuilt. Like this:
login screen
Nothing to be log when I run flutter run --verbose, so I logged manually. Every tapping on field, the widget called dispose -> init -> build.
[√] Flutter (Channel beta, v1.0.0, on Microsoft Windows [Version 10.0.17763.195], locale en-US)
• Flutter version 1.0.0 at D:flutter
• Framework revision 5391447fae (5 weeks ago), 2018-11-29 19:41:26 -0800
• Engine revision 7375a0f414
• Dart version 2.1.0 (build 2.1.0-dev.9.4 f9ebf21297)
[√] Android toolchain - develop for Android devices (Android SDK 28.0.3)
• Android SDK at C:UsersPeterHoAppDataLocalAndroidsdk
• Android NDK location not configured (optional; useful for native profiling support)
• Platform android-28, build-tools 28.0.3
• Java binary at: C:Program FilesAndroidAndroid Studiojrebinjava
• Java version OpenJDK Runtime Environment (build 1.8.0_152-release-1136-b06)
• All Android licenses accepted.
[√] Android Studio (version 3.2)
• Android Studio at C:Program FilesAndroidAndroid Studio
• Flutter plugin version 29.1.1
• Dart plugin version 181.5656
• Java version OpenJDK Runtime Environment (build 1.8.0_152-release-1136-b06)
[√] VS Code, 64-bit edition (version 1.30.1)
• VS Code at C:Program FilesMicrosoft VS Code
• Flutter extension version 2.21.1
[√] Connected device (1 available)
• Android SDK built for x86 • emulator-5554 • android-x86 • Android 9 (API 28) (emulator)
• No issues found!
My code:
import 'package:flutter/material.dart';
import 'package:successhunter/style/theme.dart' as Theme;
import 'package:successhunter/utils/helper.dart' as Helper;
class LoginPage extends StatefulWidget {
_LoginPageState createState() => _LoginPageState();
}
class _LoginPageState extends State<LoginPage> {
// Variable
double screenWidth;
double screenHeight;
PageController _pageController;
// Business
@override
void initState() {
super.initState();
_pageController = PageController();
}
@override
void dispose() {
_pageController.dispose();
super.dispose();
}
// Layout
@override
Widget build(BuildContext context) {
screenHeight = MediaQuery.of(context).size.height;
screenWidth = MediaQuery.of(context).size.width;
return Scaffold(
body: Stack(
alignment: AlignmentDirectional.topCenter,
children: <Widget>[
_buildHeaderSection(context),
_buildAuthSection(context),
],
),
);
}
Widget _buildHeaderSection(BuildContext context) {
return Column(
mainAxisAlignment: MainAxisAlignment.start,
crossAxisAlignment: CrossAxisAlignment.center,
mainAxisSize: MainAxisSize.max,
children: <Widget>[
Stack(
alignment: AlignmentDirectional.center,
children: <Widget>[
Helper.buildHeaderBackground(context),
Text(
'Success Hunter',
style: Theme.header1Style.copyWith(
color: Colors.white,
fontSize: 30.0,
),
),
],
),
Container(
color: Colors.white,
),
],
);
}
Widget _buildAuthSection(BuildContext context) {
return Column(
mainAxisAlignment: MainAxisAlignment.start,
crossAxisAlignment: CrossAxisAlignment.center,
children: <Widget>[
Container(
height: screenHeight * 0.25,
),
Container(
height: screenHeight * 0.73,
width: screenWidth - 20.0,
child: Card(
elevation: 10.0,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(10.0),
),
child: _buildAuthPageView(context),
),
),
],
);
}
Widget _buildAuthPageView(BuildContext context) {
return PageView(
controller: _pageController,
children: <Widget>[
_buildLoginView(context),
],
);
}
Widget _buildLoginView(BuildContext context) {
return ListView(
children: <Widget>[
Container(
padding: const EdgeInsets.all(15.0),
child: Center(
child: Text(
'LOGIN',
style: Theme.header2Style.copyWith(
color: Theme.Colors.mainColor,
),
),
),
),
Column(
mainAxisAlignment: MainAxisAlignment.start,
crossAxisAlignment: CrossAxisAlignment.center,
children: <Widget>[
Padding(
padding: const EdgeInsets.all(15.0),
child: TextFormField(
keyboardType: TextInputType.emailAddress,
decoration: InputDecoration(
hintText: 'someone@email.com',
labelText: 'Email',
labelStyle: Theme.contentStyle.copyWith(
color: Theme.Colors.thirdColor,
),
),
),
),
Padding(
padding: const EdgeInsets.all(15.0),
child: TextFormField(
decoration: InputDecoration(
labelText: 'Password',
labelStyle: Theme.contentStyle.copyWith(
color: Theme.Colors.thirdColor,
),
),
),
),
],
),
],
);
}
}
asked Jan 3 at 8:24
Peter HoPeter Ho
11
asked Jan 3 at 8:24
Peter HoPeter Ho
11
asked Jan 3 at 8:24
Peter HoPeter Ho
11
asked Jan 3 at 8:24
Peter HoPeter Ho
11
asked Jan 3 at 8:24
Peter HoPeter Ho
11
11
Tried Your_buildAuthPageViewCode. Works Fine. - Try : To set -targetSdkVersion 27in your -android/app/build.gradlefile instead of28.
– anmol.majhail
Jan 3 at 10:48
Bottom Overflow Error is there in your Code as your Parent Widget is Stack - Try to use Scroll able Widget likeListView.
– anmol.majhail
Jan 3 at 10:50
add a comment |
Tried Your_buildAuthPageViewCode. Works Fine. - Try : To set -targetSdkVersion 27in your -android/app/build.gradlefile instead of28.
– anmol.majhail
Jan 3 at 10:48
Bottom Overflow Error is there in your Code as your Parent Widget is Stack - Try to use Scroll able Widget likeListView.
– anmol.majhail
Jan 3 at 10:50
Tried Your
_buildAuthPageView Code. Works Fine. - Try : To set - targetSdkVersion 27 in your - android/app/build.gradle file instead of 28.– anmol.majhail
Jan 3 at 10:48
Tried Your
_buildAuthPageView Code. Works Fine. - Try : To set - targetSdkVersion 27 in your - android/app/build.gradle file instead of 28.– anmol.majhail
Jan 3 at 10:48
Bottom Overflow Error is there in your Code as your Parent Widget is Stack - Try to use Scroll able Widget like
ListView.– anmol.majhail
Jan 3 at 10:50
Bottom Overflow Error is there in your Code as your Parent Widget is Stack - Try to use Scroll able Widget like
ListView.– anmol.majhail
Jan 3 at 10:50
add a comment |
0
active
oldest
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Tried Your
_buildAuthPageViewCode. Works Fine. - Try : To set -targetSdkVersion 27in your -android/app/build.gradlefile instead of28.– anmol.majhail
Jan 3 at 10:48
Bottom Overflow Error is there in your Code as your Parent Widget is Stack - Try to use Scroll able Widget like
ListView.– anmol.majhail
Jan 3 at 10:50