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How to hide Android StatusBar in Flutter

SystemChrome.setEnabledSystemUIOverlays([]) should do what you want. You can bring it back with SystemChrome.setEnabledSystemUIOverlays(SystemUiOverlay.values). Import it using import ‘package:flutter/services.dart’; Update answer (from Flutter 2.5 or latest): SystemChrome.setEnabledSystemUIMode(SystemUiMode.leanBack); Or you can use another options like: SystemChrome.setEnabledSystemUIMode(SystemUiMode.manual, overlays: [ SystemUiOverlay.bottom ]); // to hide only bottom bar Then when you need to re-show it (like when dispose) use … Read more

How can I dismiss the on screen keyboard?

For Flutter version 2 or latest : Since Flutter 2 with null safety this is the best way: FocusManager.instance.primaryFocus?.unfocus(); Note: using old ways leads to some problems like keep rebuild states; For Flutter version < 2 : As of Flutter v1.7.8+hotfix.2, the way to go is: FocusScope.of(context).unfocus(); Comment on PR about that: Now that #31909 … Read more

Scroll Function In Flutter Web

Try to add your fist Column inside SingleChildScrollView like below hope it help you: body: SingleChildScrollView( child:Column( children:[ //Declare Your Widgets Here ], ), ),

XMLHttpRequest error in flutter web [Enabling CORS AWS API gateway]

this worked for me, I added the below header on the lambda function return { statusCode: 200, headers: { “Access-Control-Allow-Origin”: “*”, // Required for CORS support to work “Access-Control-Allow-Credentials”: true, // Required for cookies, authorization headers with HTTPS “Access-Control-Allow-Headers”: “Origin,Content-Type,X-Amz-Date,Authorization,X-Api-Key,X-Amz-Security-Token,locale”, “Access-Control-Allow-Methods”: “POST, OPTIONS” }, body: JSON.stringify(item) };

MissingPluginException while using plugin for flutter

If you are using hot restart or hot reload, it won’t do the trick. Since Flutter has to inject plugin dependencies into the platform-specific parts of your app, hot restart/hot reload is not enough to trigger the injection. Check this issue for more. Close the app and execute flutter run command.

How to create GridView Layout in Flutter

Use whichever suits your need. GridView.count(…) GridView.count( crossAxisCount: 2, children: <Widget>[ FlutterLogo(), FlutterLogo(), FlutterLogo(), FlutterLogo(), ], ) GridView.builder(…) GridView.builder( gridDelegate: SliverGridDelegateWithFixedCrossAxisCount(crossAxisCount: 2), itemBuilder: (_, index) => FlutterLogo(), itemCount: 4, ) GridView(…) GridView( gridDelegate: SliverGridDelegateWithFixedCrossAxisCount(crossAxisCount: 2), children: <Widget>[ FlutterLogo(), FlutterLogo(), FlutterLogo(), FlutterLogo(), ], ) GridView.custom(…) GridView.custom( gridDelegate: SliverGridDelegateWithFixedCrossAxisCount(crossAxisCount: 2), childrenDelegate: SliverChildListDelegate( [ FlutterLogo(), FlutterLogo(), FlutterLogo(), FlutterLogo(), … Read more

Flutter: Find the number of days between two dates

You can use the difference method provide by DateTime class //the birthday’s date final birthday = DateTime(1967, 10, 12); final date2 = DateTime.now(); final difference = date2.difference(birthday).inDays; UPDATE Since many of you reported there is a bug with this solution and to avoid more mistakes, I’ll add here the correct solution made by @MarcG, all … Read more

Flutter plugin not installed error; When running ‘flutter doctor’

Safe fix for Mac (Android Studio 4.1+). It is in a different directory now, but the symbolic link helps. Just run this command in the Terminal: ln -s ~/Library/Application\ Support/Google/AndroidStudio4.1/plugins ~/Library/Application\ Support/AndroidStudio4.1 If you have a different Android Studio version or an installation folder, adjust the command accordingly.

Flutter: Unhandled Exception: ServicesBinding.defaultBinaryMessenger was accessed before the binding was initialized

This problem is introduced when you upgrade Flutter. The reason behind this is you are waiting for some data or running an async function inside main(). I was initialising ScopedModel inside main() and inside that I was awaiting for some data. There is a very small fix. Just run WidgetsFlutterBinding.ensureInitialized() inside void main() , before … Read more