Flutter | 易学教程

Fetch arguments in Flutter module

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问题 I have a native Android app. I imported a Flutter module. Now, I can successfully navigate to the selected route from my Android app. I know passing data between native and flutter side is by method channels. But I did not understand how to implement it when starting the Activity. Here is my GitHub repo. startActivity( new FlutterActivity.NewEngineIntentBuilder(MyFlutterActivity.class) .initialRoute("/secondScreen") .build(getApplicationContext()) .putExtra("title", "Hello")); // Here, title

腾讯 Live 开发者大会

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时光荏苒，腾讯 Live 开发者大会（以下简称 TLC 大会）即将迎来第三届举办，对技术感兴趣的你一定不要错过这个绝好的、与千万开发者线上线下深度交流的机会。 TLC 大会简介 TLC大会是由腾讯直播&NOW直播IVWEB团队精心打造，致力于提升和促进全行业音视频、直播、图像处理、大前端、信息流等领域的交流和技术创新。本届 TLC 大会的主题是 “大前端，信息流” ，将于 2019年8月17日在深圳科兴科学园国际会议中心举办，会议持续1天。更多信息，前往大会官网（手机端扫码查看）： https://2019.tlc.ivweb.io/ 。大会早鸟票： 199元，购票链接（手机端扫码查看）： https://www.bagevent.com/event/2596495#website_moduleId_258989 精彩议题介绍前端技术日新月异，如何在技术浪潮中打造核心竞争力？大前端还火吗？跨端如何选型？这些知识点，由TLC大会明星讲师们统统告诉你~ 探索动效开发模式动效对于Web应用而言很多时候能做到锦上添花，但对于一个互动动效而言，动效是他的灵魂之一。面对众多的动效开发方式，如何寻找一种最适合自己的动效开发？如何更好，更快速的开发？这是我们应该一起去探讨的主题，来自阿里巴巴的前端专家大漠将会和大家一起聊聊他近几年对动效开发模式的思考。 Vue.js

Flutter ios build for testing

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问题 I would Like to know how I can build a release app without registering it to the app store. I would Like to have the APK file and share it with friends for testing purposes without registering the app. Cant find information connected with this. Thanks! UPDATE: Found solution for getting .ipa file which was installed with Cydia Impactor on a real device: # flutter build flutter build ios --release --no-codesign # make folder, add .app then zip it and rename it to .ipa mkdir -p Payload mv .

How to fix “unable to find Git in your path ” error , despite providing required path

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问题 Whenever i try to run a flutter command (in cmd), the following error occurs : 'where' is not recognized as an internal or external command, operable program or batch file. Error: Unable to find git in your PATH. I found the similar error here How to solve "Unable to find git in your PATH" on Flutter? and tried everything things I've done: included all essential git paths i.e. C:\Program Files\Git\bin\git.exe;C:\Program Files\Git\cmd;C:\Windows\System32 (did the above step many times ,

How to fill data right to left in Flutter gridview

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问题 I am trying to fill Grid view data from right to left, as the application is in arabic and everything is RTL. Here is what I want I am using Stream builder to populate data and the following Gridview widget Widget productGrid(List<Product> products) => GridView.count( crossAxisCount: 3, reverse: true, controller: _scrollController, padding: EdgeInsets.all(4.0), childAspectRatio: 8.0 / 14, children: products .map( (product) => MyBookList(item: product), ) .toList(), ); Is there any way I can

How to get currency and currency symbol in flutter by country code?

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问题 I'm converting my app from Java(Android) to Flutter(Dart) and I can't find a method to get the currency from context or from a country code. Code in Java: String country = Locale.getDefault().getCountry(); String currency = Currency.getInstance(new Locale("", country)).getCurrencyCode(); Code in Dart: Locale locale = Localizations.localeOf(context); String country = locale.countryCode; 回答1: intl package does the trick import 'package:intl/intl.dart'; void currency() { Locale locale =

How to get currency and currency symbol in flutter by country code?

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Pagination in Flutter with Firebase Realtime Database

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问题 I am trying to paginate in Flutter with firebase realtime databse. I have tried this in Firestore and it works fine there but I want this with realtime database. I am fetching data for the first time like this. Widget buildListMessage() { return Flexible( child: StreamBuilder( stream: _firebase.firebaseDB .reference() .child("chats") .child("nsbcalculator") .orderByChild('timestamp') .limitToFirst(15) .onValue, builder: (context, AsyncSnapshot<Event> snapshot) { if (!snapshot.hasData) {

How to change the status bar text color on Ios

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问题 I am new to all this flutter thing. I searched everywhere to find a solution for this little problem. Is there a way to change the status bar color? Also when i use the a color like colors.blue i can see that the quality of the text in the status bar isn't good. Thanks appBar: AppBar( elevation : 0.0, leading: IconButton( icon: Icon(Icons.menu), tooltip: 'Navigation menu', onPressed: null, ), actions: <Widget>[ IconButton( icon: Icon(Icons.search), tooltip: 'Search', onPressed: null, ), ], ),

How to change the status bar text color on Ios

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