What Makes React Native the Future of Hybrid App Development?

What Makes #reactnative the #future of Hybrid App Development?  #appdevelopment #hybrid

  • Presently, numbers of mobile app developers have started using React Native to develop mobile apps.
  • When a mobile app developer starts developing apps using specific platform and programming language such as Java for Android or Swift/Objective-C for iOS, the application is known as a native.
  • React Native is an efficient tool from Facebook to benefits developing a hybrid app for Android and iOS.
  • Furthermore, they can also use their code written in any platform which becomes highly beneficial for mobile app developers to focus on other things rather than writing the same code each time when developing a new app.
  • Reusability of code, highly portable, focused UI, compatibility for third party app integration as well as enhance the efficiency of developers has made react native popular for Hybrid app development.

React Native is popularly used for hybrid app development due to its number of benefits. Check out why it is good for your next hybrid app development project.
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10 key differences between ReactJS and React-Native? – Georgia Hovis

10 key differences between #ReactJS and #React-#Native?


#reactjs #reactnative

  • ReactJS and React Native are some emerging technology for web and mobile development.
  • React-Native and React-JS are quite similar, yet it has many differences which one should know before starting developing apps using this platform.
  • Here, are some important differences which should know by every ReactJS web developer should learn before using this technology for the offshore web development purpose.
  • Moreover, the community around React-Native gets very big and keeps growing, the technology is not going away anytime soon, and I would recommend any web developer who wants to develop a mobile app.
  • Thus, it hardly surprises that both react js and react native enjoy so much popularity and many offshore development firms prefer it for developing all type of web application for their business.

ReactJS and React Native are some emerging technology for web and mobile development. This project was started with the goal of simplifying the development process and provide the more comfortable user experience. This library allows for building a web interface with JavaScript. React-Native and React-JS are quite similar, yet it has many differences which one…
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React Native: A new competitor to native development?

React Native: A new competitor to native development?  #reactnative #tech

  • So, what advantages and disadvantages of React Native app development can we distinguish?
  • Many mobile IT companies consider the ability to develop cross-platform apps as the main advantage of React Native.
  • Therefore, when building an app with React Native framework, developers operate with blocks that can be easily managed.
  • Moreover, as its library only grows with each coming year, it becomes more and more beneficial and easy to use React Native in your mobile development.
  • One of React Native’s main advantages is the possibility to reuse code and build mobile apps for both Android and iOS platforms at the same time.

React Native is only two years old but it has already proved its usefulness. Lolita Rogers weighs in on the advantages and disadvantages.
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React Native Pitfalls – Anton Kulyk – Medium

React Native Pitfalls  #reactnative #react #reactjs #reactjs

  • React Native PitfallsThere are a lot of collections of anti-patterns for React and different app’s state managers like Redux and MobX (e.g. react-bits), but I haven’t seen a lot of advises for React Native developers.
  • You can create bridges between JavaScript and native modules, enable messaging between two sides of an app, create your own components.
  • Sometimes just a few lines of native code can save you from dozens of unneeded JavaScript.Do not estimate Android iOS equallyPersonally I spend much more time on configuring iOS apps.
  • Your apps are native and that’s awesome, but Android and iOS are different platforms, with different guidelines and components.
  • So develop and test both versions in parallel.Test on a device from the day oneEmulators are nice, but use devices, especially on Android because of variety of screen sizes, OS versions is use, etc.It won’t be iOS/Android only storySometimes people pick React Native for developing an app only for one platform (yep, seriously).

There are a lot of collections of anti-patterns for React and different app’s state managers like Redux and MobX (e.g. react-bits), but I haven’t seen a lot of advises for React Native developers. In…
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How to Scan Fingerprints with Async PHP and React Native — SitePoint

How to Scan Fingerprints with Async PHP and #reactnative  #reactjs

  • Our composer.json file could look something like:
    {
    “scripts”: {
    “dev”: “vendor/bin/aerys -d -c loader.php”,
    “prod”: “vendor/bin/aerys -c loader.php”
    },
    “require”: {
    “amphp/aerys”: “dev-amp_v2”,
    “pre/kitchen-sink”: “^0.1.0”
    },
    “autoload”: {
    “psr-4”: {
    “App\\”: “app”
    }
    },
    “config”: {
    “process-timeout”: 0
    },
    “minimum-stability”: “dev”,
    “prefer-stable”: true
    }

    This is from composer.json in the server project

    We can also set up a placeholder for requesting scans, along with an HTTP GET route to get to it:
    namespace App\Action;

    use Aerys\Request;
    use Aerys\Response;

    class ScanAction
    {
    public function __invoke(Request $request, Response $response)
    {
    $response-end(“requesting a scan…”);
    }
    }

    This is from app/Action/ScanAction.

  • pre in the server project

    use Aerys\Router;
    use App\Action\ScanAction;

    return (Router $router) = {
    $router-route(
    “GET”, “/scan”, new ScanAction
    );
    };

    This is from routes/web.

  • pre in the server project

    And we can start the server up with a server config file and pre-processor loader script:
    $port = 8080;

    $host = new $port);

    $host-use($router = Aerys\router());

    $web = process ‘http://127.0.0.1:{$port}’ | pbcopy”);

    This is from config.pre in the server project

    return Pre\processAndRequire(__DIR__ . “

  • Let’s add web sockets to our server:
    namespace App\Socket;

    use Aerys\Request;
    use Aerys\Response;
    use Aerys\Websocket;
    use Aerys\Websocket\Endpoint;
    use FingerprintSocket implements Websocket
    {
    private $endpoint;
    private $connections = [];

    public function onStart(Endpoint $endpoint)
    {
    $this-endpoint = $endpoint;
    }

    public function onHandshake(Request $request,
    Response $response)
    {
    // $origin = $request-getHeader(“origin”);
    //
    // if ($origin !

  • == “http://127.0.0.1:8080”) {
    // $response-setStatus(403);
    // $response-end(“origin not allowed”);
    // return null;
    // }

    $info = return $info[“client_addr”];
    }

    public function onOpen(int $clientId, $address)
    {
    $this-connections[$clientId] = $address;
    }

    public function onData(int $clientId, Message $message)
    {
    $body = yield $message;

    yield $this-endpoint-send(
    $payload, $clientId
    );
    }

    public function onClose(int $clientId,
    int $code, string $reason)
    {
    }

    public function onStop()
    {
    // nothing to see here…
    }
    }

    This is from in the server project

    use Aerys\Router;
    use App\Action\ScanAction;
    use (Router $router) = {
    $router-route(
    “GET”, “/scan”, new ScanAction
    );

    $router-route(
    “GET”, “/ws”, Aerys\websocket(new FingerprintSocket)
    );
    };

    This is from routes/web.

In this comprehensive and advanced tutorial, Chris shows us how to scan fingerprints with Async PHP and React Native. The future is here!
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PhotoEditor SDK + React Native – imgly

PhotoEditor SDK + React Native  #ios #photoeditor #photoediting #android #reactjs #reactjs

  • However, react-native-navigation is not required for embedding the PESDK into your React Native application.Launching the PhotoEditor SDK from React NativeTo successfully launch our editor from React Native we needed to do three things:Add the PESDK library to our iOS project.Create a native module that bridges between React Native and the PhotoEditor SDK.Add a method to create a ToolbarController, push a PhotoEditController and present them from the current view controller.Call the method, wherever we want to edit an image in our React Native codeThe first step was rather easy.
  • In the classes implementation we registered our module with React Native by calling RCT_EXPORT_MODULE(PESDK):In order to create a new photo editor view controller we needed to create a new ToolbarController and push a PhotoEditController that loads a sample image.
  • All image fetching, scrolling, etc. is handled by React Native, so we only needed to handle the user’s taps on an image:We used react-native-fs to download a larger resolution image to the local filesystem, pass the path of the local file to our present() call and modify our iOS native module:We then had a nice little app, that shows a grid of images, loads a high-resolution image upon selection and opens the PhotoEditor SDK:The iOS demo app running on a device.Android implementationAs we have seen, opening the PESDK from React Native can easily be done on iOS.
  • To accomplish this we needed to repeat some of the previous steps for Android:Add the PESDK to our Android project.Create a native module that bridges between React Native and the PESDK.Add a method to launch an ImglyIntent using the PhotoEditorBuilder from the current Activity.Installing the SDK is again done by following the instructions for integrating the PESDK and shouldn’t take more than a few minutes.
  • Creating a native module on Android is quite similar to iOS, although a little more setup code is required: We created our PESDKModule that recreates the present(path) method from iOS, a PESDKPackage containing our module and finally added the package to our Application:This time, we prepared the desired settings for our editor, added our image path and passed everything to a PhotoEditorBuilder.

Often our users ask whether it’s possible to use the PhotoEditor SDK for iOS and Android with React Native (the good news right away: Yes, it is possible and fairly easy as well). So, we set out to…
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Putting the “Native” in React Native

Putting the

  • Thankfully, getting the system volume is not difficult in iOS or Android, so it makes a perfect example of a simple native module.
  • This post will walk through making a native module for iOS, for Android, and the JavaScript code we can use in our app to call our new modules.
  • In our React Native module, we have a bit of a special case: we need only define the module in our header file as each method we want to expose is done so via the macro in the implementation file only.
  • Just as we did with the iOS module, we can add a method to our module that will get the system’s volume (see this commit in our example code).
  • We’ll need to use the to get the system volume, so add a couple imports to :

    And add an instance variable set in the constructor:

    Adding the actual method looks similar to the iOS version:

    One final improvement we can do is refactor our use of into its own JavaScript module, (see this commit in our example code):

    Then, we can get the volume using:

    A benefit of this refactoring is that if we want to perform different native code depending on the platform, we can isolate those code branches to their own (testable!)

A guide to writing native modules in a React Native application.
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