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DART – Unable to load asset image (flutter) – Stack overflow, flutter vs dart – which is the best?

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Flutter vs dart – which is the best

Dart is an open-source framework, which means that it is free to use and available on all browsers. It is a framework developed by Google, delivered with a BSD license, and approved by the ECMA standard. It is a language based on classes and garbage-collection with a Style C Syntax.

Unable to load asset image (flutter)

I’m repeatedly having the following exception in Terminal While Trying to Add an Asset Image In the Appbar of My Flutter Application (Running on An Android Emulator):

══╡ Exception Caught by Image Resource Service ╞════════════════════════════════════════ ════════════ The following assertion was thrown resolving an image codec: Unable to load asset:/assets/images/small.png when the exception was thrown, this was the stack: #0 platformassetbundle.LOAD (Package: Flutter/SRC/Services/Asset_Bundle.Dart: 237: 7) #1 AssetbundleimageProvider._Loadasync (Package: Flutter/SRC/Painting/Image_Provider.Dart: 675: 14) Provider image: assetting (bundle: nun, name: "/assets/images/small.PNG ") Key image: Assetbundleimagekey (bundle: platformassetbundle#64048 (), name:"/assets/images/small.PNG ", Scale: 1.0) ════════════════════════════════════════════════ ══════════════════════════════════════════════════ ══

Another exception was thrown: a renderflex overflowed by 117 pixels on the right. This is the code of Application’s Home:

Import 'Package: Flutter/Cupertino.Dart '; Import 'Package: Flutter/Material.Dart '; Import 'Package: Gofundleaf/Screens/Profile.Dart '; Import 'Package: Gofundleaf/Services/Auth_Service.Dart '; Class Home EXPENDS STATEFULWIDGET < const Home() : super(key: key); @override State createState() => _HOMESTATE (); > Class _hometate extends state < bool _loading = false; @override Widget build(BuildContext context) < return Scaffold( appBar: AppBar( title: Container( padding: const EdgeInsets.only(left: 3, right: 3), child: Row( mainAxisAlignment: MainAxisAlignment.spaceBetween, children: [ Row( children: [ Image.asset('/assets/images/small.png'), const Text('leaf') ], ), ], ), ), ), body: Center( child: _loading ? const CupertinoActivityIndicator() : ElevatedButton( child: const Text('Login'), onPressed: () async < setState(() < _loading = true; >); Final User = Authservice.login(); If (User != null) < Navigator.of(context).pushReplacement( MaterialPageRoute( builder: (context) =>Profile (User: User),),); > ELSE < setState(() < _loading = false; >); >>,),),); >>

The Pubspecs.Yaml file is structured like this:

Name: Gofundleaf Description: A New Flutter Project. Publish_TO: 'None' Version: 1.0.0+1 Environment: SDK: "> = 2.15.1

Flutter vs dart - which is the best ?

The development of a mobile application can only enhance your brand if it finds a place in your customer's mobile device. The more it will affect people, the better it will be for the reputation of your business.

To create a lucrative application, you must choose the right Framework for Applications. A framework that offers a rapid development of application development while not making your investment too difficult.

Flutter and Dart are both Application development technologies that can meet your criteria. You can review the characteristics and advantages of the two frameworks, then knowingly decide the case of the framework which will best correspond to your application idea.

  • 1 main points to remember
  • 2 What is Flutter ?
    • 2.1 main characteristics of flutter
    • 2.2 advantages of flutter
    • 3.1 main characteristics of DART
    • 3.2 advantages of Dart

    Main points to remember

    • Flutter is a Google multiplatform SDK.
    • Dart is a programming language created by Google
    • Flutter and Dart are both open-source and free.
    • The Flutter framework has been developed using the DART language.

    What is Flutter ?

    Flutter was initially launched by Google in 2017, stands out as one of the fastest application development platforms. Its user interface framework rich in functionalities and productive allow developers to create multiplatform applications in all transparency.

    This open-source and free software development kit (SDK) allows you to design iOS and Android native applications using a specific code base. The Flutter Constructive Tool Box offers all the features necessary for the development of multiplatform applications.

    Flutter is a portable user interface tool box including tools and widgets. It provides developers with a platform to easily create and deploy applications natively compiled and visually attractive for various platforms.

    Main characteristics of flutter

    Here are some of the essential characteristics of the Flutter framework for the development of applications:

    When working with other programming languages, application developers must wait for a considerable time before they can reflect on the screen any modification related to coding. But with Flutter, they benefit from faster recharging of the code.

    Flutter's "hot recharging" function is an effective tool added to applications architecture, which allows developers to view their results on the screen in real time. Developers can therefore add features and correct bugs without losing memory.

    Flutter offers a large collection of integrated widgets. Thus, it also provides an astonishing set of animation conceptions, allowing developers to design an interactive and attractive application for their customers.

    In addition, Flutter creators added widgets to the Flutter library, keeping user requirements in mind.

    A native Code ARM (Advanced Risk Machines) supports Flutter. This is an essential element, beneficial for young companies and almost all other companies involved in the technological sector.

    • An efficient user interface

    Flutter includes a portable and highly organized GPU (Graphics Processing Unit) rendering user interface which allows developers to operate on several interfaces.

    Flutter makes a range of popular integrated development (IDE) development environments which are actually present among a powerful community of developers. This includes Visual Studio Code, Xcode and Android Studio.

    Flutter advantages

    • Develop web, mobile and desktop applications

    Whether you call on a Flutter application developer or build an application with the Flutter framework, you will have the advantage of creating a highly adaptable and scalable product.

    Flutter will help you develop an application simultaneously for 6 different platforms. iOS, Windows, Linux, Android, MacOS and the Web are some examples of operating systems for which you can create applications.

    Once you have deployed the Flutter framework, you can easily represent basic functionalities and operations by the minimum viable product (MVP).

    Flutter helps you create a MVP compatible with various platforms and essentially offering a superior user experience. These characteristics are enough for you to attract a long line of buyers, who will be able to finance the project.

    Flutter has a powerful community of developers who are constantly working to improve the operating capacity of the platform. The group of developers makes learning a simple process for beginners, so they can easily familiarize themselves with the work system and master it during the learning phase.

    On this platform, you will find more than fifty tutorials to help you use the technological toolbox. With this incredible team support, everyone can easily create an application with Flutter.

    • Performance comparable to those of a native application

    When you use Flutter developers to create an application on Flutter, you benefit from quick and easy execution on various platforms to create applications. Indeed, Flutter uses the Dart language, an object -oriented programming language, which is easy to code and quick to compile in native code.

    Dart language generally surpasses all the others Development frameworks In terms of devices performance.

    The Flutter framework, supported by Google, is an open-source development tool box. It allows developers to ask questions and give them the right to access various documents through open developer forums.

    With Flutter, developers can learn a lot of new things and evolve alongside the community of platform developers, constantly evolving. It improves the efficiency and performance of coders in terms of expenses and project time.

    What is Dart ?

    DART is an object-oriented programming language, independent of any platform and open-source, which includes a series of useful features for a software developer.

    This is a Client side programming language which offers an extensive range of application development utilities, such as a collection of design characteristics, dynamic typing, interface, classes and optional typing. Dart is developed both for the server and the browser.

    Dart is an open-source framework, which means that it is free to use and available on all browsers. It is a framework developed by Google, delivered with a BSD license, and approved by the ECMA standard. It is a language based on classes and garbage-collection with a Style C Syntax.

    Dart has its own package manager called advertising, and this is a major point that distinguishes Dart from other languages. Developers can use Pub to create Flutter and Dart applications.

    Main characteristics of Dart

    One of the most attractive features that make you useful for programmers is that it is an asynchronous language. This only means that it makes multi-threads using isolates.

    Isolates are independent entities linked to threads, but they do not share memory and form an interactive interface between the different connected processes by passing messages. Developers working with DART must serialize messages to establish effective communication.

    They can serialize the threads of messages using instantaneous generated by the element and transmit the series accordingly to another isolate for disrepute.

    DART includes a series of useful pre -construct libraries, including Math, Convert, HTML, SDK, Core, etc. In addition, DART offers developers the possibility of organizing the DART code in the libraries required with an appropriate spacing of the names. Developers can reuse libraries with import instruction.

    Dart offers the resilience necessary to compile your code at lightning speed. It offers two types of compilation process: Jit (Just in Time) and Aot (Ahead of Time). Thanks to this, developers can easily transmit the DART programming language and perform them effectively in modern websites browsers.

    DART is a security type programming language, which means that developers can use it both for verification at the time of execution and for the static type verification in order to confirm that the value of a variable corresponds always at the static type of this same variable.

    Dart has a large community of active developers with in -depth knowledge in the field. This community includes developers of all regions of the world. So, if you encounter a problem during coding with Dart, you will always find a reliable person to help you.

    DART advantages

    Dart is a fairly simplified language, and everyone can easily learn it. Google developers have made this possible by deploying considerable efforts in the DART documentation part.

    Developers who know the basics of OOPS programming can easily get into the programming of an application with Dart Java syntax. DART allows you to easily modify and write the smallest code sections.

    It offers a simple learning ecosystem where developers can understand the tools and terminologies of the framework while accessing various libraries with ease.

    When you use DART as a programming language, you take a step forward to improve the application factor of the application. The applications executed on DART run faster than in other programming languages.

    DART offers features like JIT and AOT that add to language performance. Developers can take advantage of the hot charging function with JIT, while AOT helps them start quickly and improve the execution of the application.

    • Delivered with incredible documentation

    According to the developers who have used Dart, the language is easy to learn and it offers very good documentation. Thanks to an excellent introduction, easy to understand, Dart is practical to start the coding process.

    A large number of developers have gone to DART, thanks to its excellent community support, its simple syntax, its easy -to -use features and its useful guides that help developers in their training process.

    • Can write a program without configuration or installation

    Dart has a very simple interface, called Dartpad. This interface eliminates the need to configure or install this framework before using it. All you have to do is write the DART code and click on the RUN command to execute the code.

    Comparison between flutter and dart

    Flutter Dart
    Description Open-Source SDK user interface Client side programming language for web and mobile applications
    Category Framework Programming language
    Programming language Dart Dart
    Release date 2017 2013
    Developer Google Google
    Open-source Yes Yes
    Free use Yes Yes
    Licence BSD 3-LA-CLAUSE "New" license or "revised" BSD 3-LA-CLAUSE "New" license or "revised"
    Benefits Same user interface on several platforms
    Native performance
    Own rendering engine    		 Easy to learn
    High performance
    Stability
    Popular applications Philips
    MGM Resorts
    Bytedance    		 Flutter

    Conclusion

    Now that you know the characteristics and advantages of two leading market development tools on the market, Flutter and Dart.

    Flutter is an open-source user interface development kit developed by Google. It allows the development of iOS/Android applications and uses DART as a programming language.

    Dart is a programming language on the open-source customer side. It is easy to learn, stable and allows you to create very efficient applications.

    Before making a final decision, discuss with your team and examine the project requirements. Make sure the framework you choose meets your criteria for developing a market regulation application.

    Faq

    What is Flutter ?

    Open-Source SDK user interface

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