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STARTACTIVITYFORRESULT VALUE CANNOT BE NULL ANDROID IN VISUAL STUDIO FOR MAC INSTALL
STARTACTIVITYFORRESULT VALUE CANNOT BE NULL ANDROID IN VISUAL STUDIO FOR MAC MANUAL
STARTACTIVITYFORRESULT VALUE CANNOT BE NULL ANDROID IN VISUAL STUDIO FOR MAC CODE

The easiest way to create a Podfile is by running the CocoaPods init command in the /ios subfolder of your project:

You can specify which subspecs your app will depend on in a Podfile file. If you want the Image library (e.g., for elements), then you will need the RCTImage subspec. If you want to add the React Native Text library (e.g., for elements), then you will need the RCTText subspec. That will get you the AppRegistry, StyleSheet, View and other core React Native libraries. For example, you will generally always want the Core subspec. They are generally named by functionality. The list of supported subspecs is available in /node_modules/react-native/React.podspec. We will use CocoaPods to specify which of these "subspecs" your app will depend on.

STARTACTIVITYFORRESULT VALUE CANNOT BE NULL ANDROID IN VISUAL STUDIO FOR MAC INSTALL

Go to the Locations panel and install the tools by selecting the most recent version in the Command Line Tools dropdown.īefore you integrate React Native into your application, you will want to decide what parts of the React Native framework you would like to integrate. Here is what the main menu of the native application looks like without React Native. Adding React Native to your app #Īssume the app for integration is a 2048 game.

STARTACTIVITYFORRESULT VALUE CANNOT BE NULL ANDROID IN VISUAL STUDIO FOR MAC MANUAL

It is technically possible not to use CocoaPods, but that would require manual library and linker additions that would overly complicate this process. Go to the root directory for your project and create a new package.json file with the following contents: To ensure a smooth experience, create a new folder for your integrated React Native project, then copy your existing iOS project to a /ios subfolder.

Verify that the React Native aspect of your application works as expected.įollow the React Native CLI Quickstart in the environment setup guide to configure your development environment for building React Native apps for iOS.

Start the React Native server and run your native application.

This view will serve as the container for your React Native component.

Develop your React Native components in JavaScript.

Add these components as dependencies using CocoaPods.

Understand what React Native components you will use in your app.

Set up React Native dependencies and directory structure.

The keys to integrating React Native components into your iOS application are to: We need set the theme of MyReactActivity to because some React Native UI components rely on this theme. Be careful to use your package’s BuildConfig and not the one from the facebook package. If you are using Android Studio, use Alt + Enter to add all missing imports in your MyReactActivity class. Perform a “Sync Project files with Gradle” operation. If you are using a starter kit for React Native, replace the "HelloWorld" string with the one in your index.js file (it’s the first argument to the AppRegistry.registerComponent() method). In our sample here, we will add a component within a styled : In our case, we will put everything in index.js.

STARTACTIVITYFORRESULT VALUE CANNOT BE NULL ANDROID IN VISUAL STUDIO FOR MAC CODE

It can be a small file that requires other file that are part of your React Native component or application, or it can contain all the code that is needed for it. Index.js is the starting point for React Native applications, and it is always required. Create a index.js file #įirst, create an empty index.js file in the root of your React Native project. The first bit of code we will write is the actual React Native code for the new "High Score" screen that will be integrated into our application. Now we will actually modify the native Android application to integrate React Native. To learn more about Network Security Config and the cleartext traffic policy see this link.