Please note that the module name, ‘MyReactNativeApp’ here has to be the same as the one provided for AppRegistry.registerComponent() function of index.js file.

Import .In this step, we will create a barebone react-native ‘hello’ world screen.Ĭreate an index.js file inside the root folder, add the below lines and save it. In ToastModule.java write the following code: package com.reactnativebridgedemo We are going to configure then select a AVD. Firstof all you’ll need Android studio installed on your computer. You will understand in a bit that why we named that that way. In order to preview the React Native app on an Android virtual device. There create two files with names ToastModule.java and MyPackage.java. Open that in Android Studio.įrom there go to app> java > com.reactnativebridgedemo Where ReactNativeBridgeDemo is the folder name which will be created. Should have Android Studio and Node.js installed in your computer. In case you are wondering “what a toast is?”, think of it as an alert message for your app. To understand this concept better we will implement a toast mechanism in which the toast would be coming from the native android and we will call it from a button made in React Native. Module yet, or when the native performance is significantly better. Native Modules are used when React Native doesn’t have that required Native ModulesĪ set of javascript functions that are implemented natively for individual But, when we mix React Native and native components, we need some specific, cross-language mechanisms that would allow us to pass information between them.” What we will learn in this “As long as we are building our application purely within the framework, we can drive our app with properties and callbacks. Make a production level application you will most probably need to use Native Native application with the help of Native Bridge. Yes, you guessed it right, you can use it in your React Want to reuse some existing Java code or library without having to reimplement A bridge is nothing but a way to setup communication between native Way that we can create a bridge between the Native Language and the JavaScriptĬode.

React native with android studio