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FLUTTER QUESTIONS

Setting up flutter
Setting up flutter
I wish this helpful for you I am new to flutter and having problem running flutter doctor. I have extracted the files in another folder and tried setting the path, echo $PATH gives , Flutter is not yet set in your PATH. Try: Step 1:
TAG : flutter
Date : November 17 2020, 07:01 PM , By : Cindy
Web view is too slow
Web view is too slow
should help you out If you app relies on WebView, just choose other tools: Swift for iOS Kotlin for Android.Here is why:
TAG : flutter
Date : November 15 2020, 07:01 PM , By : Preston Hafer
Where do I run initialisation code when starting a flutter app?
Where do I run initialisation code when starting a flutter app?
I wish this help you One simple way of doing this will be calling the RouteSplash as your splash screen and inside it perform the initialization code as shown.
TAG : flutter
Date : October 25 2020, 07:10 PM , By : whyDontYouWork
firebase_messaging onResume and onLaunch not working
firebase_messaging onResume and onLaunch not working
help you fix your problem lost my 2 days to fix this issue, it may helpful for you. notification tag only for showing notification. you can access only data content on onResume/onLaunch.If you want handle notification message inside onResume/onLaunch
TAG : flutter
Date : October 25 2020, 07:10 AM , By : Alex Maker
Flutter Format Time of Day from time picker
Flutter Format Time of Day from time picker
may help you . I am trying to format the selected time from time-picker in my flutter app. I don't know why but this is proving to be more difficult than it should be. The end result I am trying to achieve is hour:minuets or 5:00pm. This will display
TAG : flutter
Date : October 24 2020, 06:10 PM , By : Louis L.
It's possible run code like a "background service" when the app is closed using flutter?
It's possible run code like a "background service" when the app is closed using flutter?
help you fix your problem I need run a dart code for each 30s even if the application is closed. It's possible? , Yes, it is possible. You can run Flutter in background.
TAG : flutter
Date : October 23 2020, 06:10 AM , By : Dylan Harris
"Try changing the type of the parameter, or casting the argument to 'DiagnosticsNode'. ',"
"Try changing the type of the parameter, or casting the argument to 'DiagnosticsNode'. ',"
Hope that helps For me it was fixed upgrading the package cached_network_image to the version 0.8.0.Edit the file pubspec.yaml from your Flutter project and upgrade to the latest version.
TAG : flutter
Date : October 18 2020, 06:10 AM , By : Arun
How to change Scrollbar's thickness?
How to change Scrollbar's thickness?
Hope that helps I found a relatively simple workaround which to wrap the Scrollbar in a Stack widget and add to Stack a Container which will hide part of the Scrollbar. There will be a small 'white' margin in the right edge of the screen but you will
TAG : flutter
Date : October 16 2020, 06:10 AM , By : Leonid Ov
Using Flutter to develop a SDK to be used in Native iOS and Android
Using Flutter to develop a SDK to be used in Native iOS and Android
seems to work fine I can answer these with regard to Android.Can I run Dart/Flutter code without a UI on Android?
TAG : flutter
Date : October 14 2020, 06:10 PM , By : D013
Why ApplicationsDocumentsDirectory return null for unit test?
Why ApplicationsDocumentsDirectory return null for unit test?
around this issue Maybe you have forgotten to initialize your response variable.I had a similar issue with getApplicationDocumentsDirectory in one of my unit tests.
TAG : flutter
Date : October 14 2020, 02:00 PM , By : Pafnut
Exception: ideviceinfo returned an error: ERROR: Could not connect to lockdownd, error code -17
Exception: ideviceinfo returned an error: ERROR: Could not connect to lockdownd, error code -17
I hope this helps you . I think it is caused by having an iOS device plugged in to your computer. I had the same issue and it went away after unplugging my phone. You won't get this message if the device is plugged in and the computer is marked as a
TAG : flutter
Date : October 14 2020, 02:00 PM , By : haytham Alzahrani
How to get current URL in Flutter Web App
How to get current URL in Flutter Web App
I wish did fix the issue. How can I get the current URL in a Flutter Web App on which the user of the web app currently is? , You can find it like this:
TAG : flutter
Date : October 14 2020, 01:00 AM , By : boba fett
Flutter Scrollable Stack with Height greater than Screen Height
Flutter Scrollable Stack with Height greater than Screen Height
I wish this helpful for you Solution 1
TAG : flutter
Date : October 13 2020, 11:00 PM , By : ke1dy
Is there any way to add tawk.to chat service to my flutter application
Is there any way to add tawk.to chat service to my flutter application
may help you . you can open the chat link directly via a webview plugin (https://pub.dev/packages/flutter_web_view). I used this solution with a customized domain name on the tawk whitelabel addon. WHITE LABEL ADDON, CUSTOM CHAT DOMAIN NAME
TAG : flutter
Date : October 13 2020, 02:00 PM , By : Rain Forest
How do you link firebase accounts in firebase_auth 0.11.1 in flutter?
How do you link firebase accounts in firebase_auth 0.11.1 in flutter?
Hope this helps Get the list of provider IDs for the current user, if it has FB but no Google, then Google can be linked to itList providerList = _auth.currentUser().providerData;
TAG : flutter
Date : October 13 2020, 02:00 PM , By : Afshin Lamei
What is the difference between ListView and ListView.builder and can we use Listview.builder to create and validate and
What is the difference between ListView and ListView.builder and can we use Listview.builder to create and validate and
hope this fix your issue From official docs:https://api.flutter.dev/flutter/widgets/ListView/ListView.html
TAG : flutter
Date : October 13 2020, 12:00 PM , By : Michał Grala
why does a function work before its time?
why does a function work before its time?
it fixes the issue You need to use FutureBuilder / StreamBuilder / or just StatefulWidget to refresh your data after you finish your async process, something like this:
TAG : flutter
Date : October 13 2020, 08:00 AM , By : Shailesh Prajapati G
Flutter: ClipRRect vs Container with BoxDecoration
Flutter: ClipRRect vs Container with BoxDecoration
it fixes the issue If your goal is to create a rounded border, you must use clippers only in the last situation, when containers may not help. For example, images can draw over rounded borders, so you have no other option unless clipping the image.
TAG : flutter
Date : October 13 2020, 07:00 AM , By : Rishav Kumar
How to remove extra spaces in Flutter button bar?
How to remove extra spaces in Flutter button bar?
Any of those help You are using FlatButton which uses a minimum size of 88.0 by 36.0 as noted in the documentation.Your options are to:
TAG : flutter
Date : October 13 2020, 06:00 AM , By : A.Martin
The Drawer is transparent
The Drawer is transparent
wish of those help The drawer's background is transparent. I have tried to hot reload the entire code which i wrote from scratch again, yet it didn't work. , You should use Drawer widget as a parent of your ListView
TAG : flutter
Date : October 13 2020, 04:00 AM , By : user6026186
How to fix overflowed issue in Dialog?
How to fix overflowed issue in Dialog?
should help you out For the horizontal overflow add a Expanded parent widget for your Text.
TAG : flutter
Date : October 13 2020, 04:00 AM , By : Jordan De Sotle
How to put icon on string in flutter?
How to put icon on string in flutter?
seems to work fine You can't use Widgets inside your String variable, what you can do is use the Row widget, like this:
TAG : flutter
Date : October 13 2020, 04:00 AM , By : Carlos Moreno
TextField reloads FutureBuilder when pressed/left in Flutter
TextField reloads FutureBuilder when pressed/left in Flutter
will be helpful for those in need Let's solve this in parts.When I try to manually type it the FutureBuilder reloads when I enter and leave the TextField. What is the reason?
TAG : flutter
Date : October 13 2020, 03:00 AM , By : Pedrero Martínez
how to do pagination in GridView (Flutter)
how to do pagination in GridView (Flutter)
may help you . You can do this using a NotificationListener. As a simple demonstration it will increase the length of your GridView whenever it reaches end of page :
TAG : flutter
Date : October 13 2020, 03:00 AM , By : Kelvin
Is it possible to use Android Studio to build a website in flutter
Is it possible to use Android Studio to build a website in flutter
fixed the issue. Will look into that further Yes, Android Studio can be used to write Android, iOS, Web and Desktop apps with flutter. All of them with a single codebase. By using Flutter you don't need to write separate apps for mobile web for exam
TAG : flutter
Date : October 13 2020, 02:00 AM , By : user123
How to add a texfield inside the App bar in Flutter?
How to add a texfield inside the App bar in Flutter?
Any of those help Like mentioned in the comments - put your text field in title widget... I converted your code to a simple stateful widget to give you an idea.
TAG : flutter
Date : October 13 2020, 12:00 AM , By : Paul D
A non-null String must be provided to a Text widget
A non-null String must be provided to a Text widget
Hope that helps I'm trying to add the option for the quantity to be adjusted but I get an error saying "A non-null String must be provided to a Text widget" How do I provide this, to this code? , You should check null safe
TAG : flutter
Date : October 12 2020, 11:00 PM , By : Juan José Scarton
Flutter: How to export SQLite database as CSV?
Flutter: How to export SQLite database as CSV?
This might help you Hi I am new on Flutter too and I was trying to download CSV file with Flutter Web. I will add my working code here maybe it can work for you too.
TAG : flutter
Date : October 12 2020, 10:00 PM , By : Graw Shine
MaterialApp must it be only one in the whole application?
MaterialApp must it be only one in the whole application?
To fix this issue The internal design of MaterialApp indicates that it is designed to be used only once in the application. It has fields like localizationsDelegate,theme, and routes, which will be bad design if it used more than once , because most
TAG : flutter
Date : October 12 2020, 07:00 PM , By : superunnatural
How to disable a linting rule inline in flutter
How to disable a linting rule inline in flutter
I wish this help you Is there a way to disable a linting rule for a line in flutter? , Use the // ignore: syntax, for example:
TAG : flutter
Date : October 12 2020, 07:00 PM , By : Jothi Venkatachalam
Flutter does not work anymore after upgrading
Flutter does not work anymore after upgrading
Any of those help My project was working perfectly and Just today i have upgrade my Flutter then everything start going run. , Solved a similar issue by replacing
TAG : flutter
Date : October 12 2020, 04:00 PM , By : Rupesh
How to get Distinct List
How to get Distinct List
Does that help There is a way that is a lot easier and does not require any additional imports.You can convert your List to a Set which inherently only contains distinct elements and then convert that Set back to a List.
TAG : flutter
Date : October 12 2020, 04:00 PM , By : Md K. Ahmed
Flutter: How to use HapticFeedback
Flutter: How to use HapticFeedback
Does that help Please make sure that Vibration feedback is enabled on the android device, and make sure to add
TAG : flutter
Date : October 12 2020, 03:00 PM , By : Krishna Reddy
FirebaseAuthPlugin.java:9: error: cannot find symbol import androidx.annotation.NonNull;
FirebaseAuthPlugin.java:9: error: cannot find symbol import androidx.annotation.NonNull;
will be helpful for those in need This is what helped me: Go to android/app/build.gradle file and change compileSdkVersion and targetSdkVersion to 28 (they were probably 27) Go to android/gradle.properties file and add the following lines:
TAG : flutter
Date : October 12 2020, 02:00 PM , By : Cherubic
Flutter how to create a zip file
Flutter how to create a zip file
like below fixes the issue How to create a zip file with Flutter? I tried with archive package but it does not have any sample to create a zip file. Please help. I am totally new in Flutter. After creating the zip file with archive package error gett
TAG : flutter
Date : October 12 2020, 02:00 PM , By : Morytala Tala
How to allow mailto and tel URL schemes in WebView Flutter?
How to allow mailto and tel URL schemes in WebView Flutter?
it should still fix some issue I am developing WebApp in Flutter but when I click on tel:987654321 or mailto: links going page Not Found, To open the default app in mobile I am using url_launcher dependency But in the background when I click WebView
TAG : flutter
Date : October 12 2020, 01:00 PM , By : E Dolžan
How to save to web local storage in flutter web
How to save to web local storage in flutter web
hope this fix your issue I have a web site built with flutter for web and currently, am trying to save to web local storage or cookie but can't seem to find any plugin or way to archive that. , You can use window.localStorage from dart:html
TAG : flutter
Date : October 12 2020, 01:00 PM , By : Sodarith
How to get notified about app being completely closed
How to get notified about app being completely closed
With these it helps As far is I know for now, there is no way in Flutter. But I know a native way in Android (see this link)You can implement this in your MainActivity or so, see this how to call Android/iOS code from Flutter
TAG : flutter
Date : October 12 2020, 01:00 PM , By : Tamilselvan
Flutter : How to change format dateTime with mounth in String?
Flutter : How to change format dateTime with mounth in String?
With these it helps You can try to use a DateFormat, just include intl dependency to your pubspec.yaml
TAG : flutter
Date : October 12 2020, 09:00 AM , By : Rachid El Bahri
How to get data from api every x seconds in flutter?
How to get data from api every x seconds in flutter?
With these it helps You should take a look at Timer.Periodic https://api.flutter.dev/flutter/dart-async/Timer/Timer.periodic.html I am using it with setState, but I'm sure it's also possible with a Stream.EDIT: I haven't tested it but maybe something
TAG : flutter
Date : October 12 2020, 08:00 AM , By : Ciko Florans
flutter project compilation failing with "Execution failed for task 'fluttertoast:compileDebugJavaWithJavac'"
flutter project compilation failing with "Execution failed for task 'fluttertoast:compileDebugJavaWithJavac'"
this one helps. The underlying issue is that the android.support.v4.Content.ContextCompat import in fluttertoastplugin.java can't resolve the symbol ContextCompat. This is a dependency issue. The solution is to go to your flutter project's pubspec.ya
TAG : flutter
Date : October 12 2020, 07:00 AM , By : Arnoudhaak
Unable to center align Column Widgets children
Unable to center align Column Widgets children
fixed the issue. Will look into that further you should try mainAxisAlignment: MainAxisAlignment.center, below is snap,
TAG : flutter
Date : October 12 2020, 05:00 AM , By : Rupesh Pawar
How to create APK Expansion Files for assets within flutter
How to create APK Expansion Files for assets within flutter
With these it helps You're going to have a little bit of fun with this. Basically, until someone implements a plugin to access APK expansion files, you're going to have to write the java code to connect up to Flutter.It's not prohibitively difficult,
TAG : flutter
Date : October 12 2020, 05:00 AM , By : nami
Remove Flutter TabBar bottom border
Remove Flutter TabBar bottom border
I wish this helpful for you Add indicator color to tabBar and color to transparent.indicatorColor: Colors.transparent
TAG : flutter
Date : October 12 2020, 05:00 AM , By : Jim Holmes
Flutter TextField fill and border colors doesn't change to grey
Flutter TextField fill and border colors doesn't change to grey
Any of those help I am trying to style TextField according to design, but when I try to set fill and border color they are not changed: , It seems your color code is wrong. You forgot to add one more F
TAG : flutter
Date : October 12 2020, 03:00 AM , By : Shehabeldin Abdelgaw
FlutterDriver problem, not able to find Widget by Key
FlutterDriver problem, not able to find Widget by Key
around this issue I had the same problem and the solution that finally helped me is from Pyozer:The flutter driver is by default frame synchronized, it will wait until there is no pending frame(s), but if there is infinite animation, the test will go
TAG : flutter
Date : October 12 2020, 01:00 AM , By : Maxim
Flutter Firebase user authentication management across the application
Flutter Firebase user authentication management across the application
To fix this issue As Sebastian stated, you should look into the Provider or any other state management tool/pattern, but for the example I am going to use you will need the Provider package.Firebase Auth has an onAuthStateChanged stream that emits th
TAG : flutter
Date : October 12 2020, 12:00 AM , By : Shanthipriya
Add vertical line as a divider in tabbar as a divider
Add vertical line as a divider in tabbar as a divider
help you fix your problem I have a tab bar and i need to put a vertical line as a divider between tabs, how to do that? this how i used my tabbar: , Finally It worked for me
TAG : flutter
Date : October 11 2020, 09:00 PM , By : RavilVal
Flutter New web project not showing in visual studio command palette
Flutter New web project not showing in visual studio command palette
like below fixes the issue I was not able to get 'Flutter: New Web Project", but following https://flutter.dev/docs/get-started/web from the Flutter Docs got me running the app on the web. Hope it helps. Below are the commands that I entered in Visua
TAG : flutter
Date : October 11 2020, 08:00 PM , By : Amanda Lewis
What is .. operator in dart?
What is .. operator in dart?
Any of those help Cascade notationFrom the official documentation
TAG : flutter
Date : October 11 2020, 08:00 PM , By : Lethias
When do i need to state the return type of an async function as a future object?
When do i need to state the return type of an async function as a future object?
wish of those help Yes, using the async keyword will make the function automatically return a Future.It is always better to explicitly declare the return type of a function even for void functions, if not, the compiler will interpret the function as
TAG : flutter
Date : October 11 2020, 08:00 PM , By : Auroth
How to migrate flutter mobile app to flutter web
How to migrate flutter mobile app to flutter web
will help you I have a mobile app written with flutter and i would like to convert it into a flutter_web app (integrating flutter_web is not available yet). I'm currently having problems with packages. , Steps to follow while migration to Flutter Web
TAG : flutter
Date : October 11 2020, 06:00 PM , By : Nithin
What assert do in dart?
What assert do in dart?
With these it helps What @jamesdlin said is enough. In addition, if you need real example, think about this:
TAG : flutter
Date : October 11 2020, 05:00 PM , By : Diego Guerrero Payah
Flare Flutter animation issue
Flare Flutter animation issue
wish help you to fix your issue As you have provided the link in which there is a animation but it is named as "new" (You can see that under the Animations tab in bottom left) but here in the code you have wrote "animate" instead of "new". Try replac
TAG : flutter
Date : October 11 2020, 02:00 PM , By : Hrishi
CachedNetworkImage image does not change with same name
CachedNetworkImage image does not change with same name
I think the issue was by ths following , If an image changes, I would consider that to be a new resource. If we consider it to be a new resource, then it should really have a new resource locator (i.e. new URI) associated with it. Caching images anyw
TAG : flutter
Date : October 11 2020, 01:00 PM , By : env
How to set border radius to bottom app bar in a flutter app?
How to set border radius to bottom app bar in a flutter app?
I wish did fix the issue. Put it inside a stack. Don't add the Bottom Navigation Bar to the scaffold directly.
TAG : flutter
Date : October 11 2020, 11:00 AM , By : Mustafa
Unable to RTCPeerConnection::setRemoteDescription: Failed to set remote offer sdp: Failed to set remote video descriptio
Unable to RTCPeerConnection::setRemoteDescription: Failed to set remote offer sdp: Failed to set remote video descriptio
I hope this helps . Apart from the "sendonlyd" typo that was already mentioned, pretty sure the cause is the H.264 profile the RTSP camera is setting (since it's a Janus Mountpoint offer, I guess that's what you're doing), which the browser very like
TAG : flutter
Date : October 11 2020, 09:00 AM , By : Peng Hao
How to delete a "(" from string in a list.toString()
How to delete a "(" from string in a list.toString()
To fix the issue you can do I want to create a string of a list in a Text that don't add the parentheses "(string)" to de string , Is is easier than that:
TAG : flutter
Date : October 11 2020, 08:00 AM , By : Rupesh Kumar
How to share image to whatsapp from flutter application?
How to share image to whatsapp from flutter application?
I wish this helpful for you You can make use of esys_flutter_share to share files in flutter. You just need to send a file as bytes and share to any external application you want.
TAG : flutter
Date : October 11 2020, 08:00 AM , By : Anthony Bevziuk
How to catch an error coming from a Future in flutter widget test?
How to catch an error coming from a Future in flutter widget test?
Hope this helps Wrap your code with await tester.runAsync(() async { .. }From the official documentation runAsync
TAG : flutter
Date : October 11 2020, 07:00 AM , By : Nishhant Jain

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