swift // @objc(YourModule) class YourModule: NSObject { @objc func callNativeEvent(callback:RCTResponseSenderBlock) -> Void { // Here you can do your work and pass an object to the callback function. // You can save assign a `callback` to the class property (e.g self. eventCallback = callback) // and invoke that self.
Read moreHow do I make a native module in React Native?
To add native modules to react-native, let’s create a new Kotlin class named ‘NativeModuleManagerPackage’ . We will implement ReactPackage in this file which will expose our native code to react-native. For registering the NativeModuleManagerPackage , we have to add code in MainApplication.16 Mar 2021
Read moreCan React Native be used with Swift?
No. It uses Libraries and internal APIs . The main difference between React Native and Swift is that RN can create cross-platform apps while Swift makes apps for Apple platforms only. In essence, Swift apps run on Apple devices while React Native apps can run on both iOS and Android.
Read moreWhat is RCTRootView?
RCTRootView is a UIView that holds a React Native app . It also provides an interface between native side and the hosted app. RCTRootView has an initializer that allows you to pass arbitrary properties down to the React Native app.
Read moreWhat is RCT React Native?
If you are wondering, RCT is an abbreviation of ReaCT . In addition to implementing the RCTBridgeModule protocol, your class must also include the RCT_EXPORT_MODULE() macro. This takes an optional argument that specifies the name that the module will be accessible as in your JavaScript code (more on this later).
Read moreIs React Native bridge asynchronous?
React Native bridge is asynchronous , so the only way to pass a result to JavaScript is by using callbacks or emitting events (see below).
Read moreDoes React Native use bridge?
Many (but not all) react-native npm packages that are added/installed into a project are Native Bridges. If the package is a pure JS package, then it is just that – pure JavaScript. If a react-native package contains an `ios` directory and an `android` directory, it is most-likely a Native Bridge .
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