@unimodules/react-native-adapter

A React Native adapter for Expo Universal Modules. It requires @unimodules/core to be installed and linked.

JavaScript installation

$ yarn add @unimodules/react-native-adapter

# or

$ npm install @unimodules/react-native-adapter --save

Installation

If you are using react-native-unimodules, this package will already be installed and configured!

iOS (Cocoapods)

If you're using Cocoapods, add the dependency to your Podfile:

pod 'UMReactNativeAdapter', path: '../node_modules/@unimodules/react-native-adapter/ios', inhibit_warnings: true

and run npx pod-install.

Android

Append the following lines to android/settings.gradle:

include ':unimodules-react-native-adapter'
project(':unimodules-react-native-adapter').projectDir = new File(rootProject.projectDir, '../node_modules/@unimodules/react-native-adapter/android')

Insert the following lines inside the dependencies block in android/app/build.gradle:
```
compile project(':unimodules-react-native-adapter')
```

Additional required setup

iOS

Open the AppDelegate.m of your application.
Import <UMCore/UMModuleRegistry.h>, <UMReactNativeAdapter/UMNativeModulesProxy.h> and <UMReactNativeAdapter/UMModuleRegistryAdapter.h>.
Make AppDelegate implement RCTBridgeDelegate protocol (@interface AppDelegate () <RCTBridgeDelegate>).

Add a new instance variable to your AppDelegate:

@interface AppDelegate () <RCTBridgeDelegate>

// add this line
@property (nonatomic, strong) UMModuleRegistryAdapter *moduleRegistryAdapter;

@end

In -application:didFinishLaunchingWithOptions: add the following at the top of the implementation:

self.moduleRegistryAdapter = [[UMModuleRegistryAdapter alloc] initWithModuleRegistryProvider:[[UMModuleRegistryProvider alloc] init]];

Add two methods to the AppDelegate's implementation:

- (NSArray<id<RCTBridgeModule>> *)extraModulesForBridge:(RCTBridge *)bridge
{
    NSArray<id<RCTBridgeModule>> *extraModules = [_moduleRegistryAdapter extraModulesForBridge:bridge];
    // If you'd like to export some custom RCTBridgeModules that are not Expo modules, add them here!
    return extraModules;
}

- (NSURL *)sourceURLForBridge:(RCTBridge *)bridge {
    return [[RCTBundleURLProvider sharedSettings] jsBundleURLForBundleRoot:@"index" fallbackResource:nil];
}

When initializing RCTBridge, make the AppDelegate a delegate of the bridge:

RCTBridge *bridge = [[RCTBridge alloc] initWithDelegate:self launchOptions:launchOptions];

or, if you use react-native-navigation, add the bridgeManagerDelegate parameter of self, like:

-[ReactNativeNavigation bootstrap:jsCodeLocation launchOptions:launchOptions];
+[ReactNativeNavigation bootstrap:jsCodeLocation launchOptions:launchOptions bridgeManagerDelegate:self];

That's it! All in all, your AppDelegate.m should look similar to:

<summary>Click to expand</summary>

#import "AppDelegate.h"

#import <React/RCTBundleURLProvider.h>
#import <React/RCTRootView.h>

#import <UMCore/UMModuleRegistry.h>
#import <UMReactNativeAdapter/UMNativeModulesProxy.h>
#import <UMReactNativeAdapter/UMModuleRegistryAdapter.h>

@interface AppDelegate () <RCTBridgeDelegate>

@property (nonatomic, strong) UMModuleRegistryAdapter *moduleRegistryAdapter;

@end

@implementation AppDelegate

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
    self.moduleRegistryAdapter = [[UMModuleRegistryAdapter alloc] initWithModuleRegistryProvider:[[UMModuleRegistryProvider alloc] init]];
    RCTBridge *bridge = [[RCTBridge alloc] initWithDelegate:self launchOptions:launchOptions];
    RCTRootView *rootView = [[RCTRootView alloc] initWithBridge:bridge moduleName:@"YOUR_MODULE_NAME" initialProperties:nil];
    rootView.backgroundColor = [[UIColor alloc] initWithRed:1.0f green:1.0f blue:1.0f alpha:1];

    self.window = [[UIWindow alloc] initWithFrame:[UIScreen mainScreen].bounds];
    UIViewController *rootViewController = [UIViewController new];
    rootViewController.view = rootView;
    self.window.rootViewController = rootViewController;
    [self.window makeKeyAndVisible];
    return YES;
}

- (NSArray<id<RCTBridgeModule>> *)extraModulesForBridge:(RCTBridge *)bridge
{
    NSArray<id<RCTBridgeModule>> *extraModules = [_moduleRegistryAdapter extraModulesForBridge:bridge];
    // If you'd like to export some custom RCTBridgeModules that are not universal modules, add them here!
    return extraModules;
}

- (NSURL *)sourceURLForBridge:(RCTBridge *)bridge {
    return [[RCTBundleURLProvider sharedSettings] jsBundleURLForBundleRoot:@"index" fallbackResource:nil];
}

@end

Android

Open the MainApplication.java of your application.

Add to the imports:

import org.unimodules.adapters.react.ModuleRegistryAdapter;
import org.unimodules.adapters.react.ReactAdapterPackage;
import org.unimodules.adapters.react.ReactModuleRegistryProvider;
import org.unimodules.core.interfaces.Package;

Create an instance variable on the Application:

private final ReactModuleRegistryProvider mModuleRegistryProvider = new ReactModuleRegistryProvider(Arrays.<Package>asList(
    new ReactAdapterPackage()
    // more packages, like
    // new CameraPackage(), if you use expo-camera
    // etc.
), /* singletonModules */ null);

Add new ModuleRegistryAdapter(mModuleRegistryProvider) to the list returned by protected List<ReactPackage> getPackages().
You're good to go!

Usage

Calling methods on native modules

Native modules are available behind the proxy (NativeModulesProxy of @unimodules/core).

To call an exported method, use NativeModulesProxy[clientCodeName].exportedMethod(...arguments), like this:

// For UM_REGISTER_MODULE(FileSystem,) or UM_REGISTER_UMPORTED_MODULE(FileSystem)
// and UM_EXPORT_METHOD_AS(getInfo, getInfo:(NSString *)path)

// or for method
// @ExpoMethod
// public void getInfo(String path, Promise promise)
// defined in native module with name FileSystem

import { NativeModulesProxy } from '@unimodules/core';

const { FileSystem } = NativeModulesProxy;

FileSystem.getInfo('file:///...');

Note that all the methods return Promises.

Synthetic Platform Events

When creating web universal modules, you may find that you need to send events back to the API layer. In this case you will want to use the shared SyntheticPlatformEmitter instance from @unimodules/core. The shared emitter emit events to react-native's NativeEventEmitter and @unimodules/core's EventEmitter .

ExponentGyroscope.web.ts

// Example from expo-sensors native web gyroscope sensor

import { SyntheticPlatformEmitter } from '@unimodules/core';

SyntheticPlatformEmitter.emit('gyroscopeDidUpdate', { x, y, z });

This emitted event is then received with a EventEmitter in the developer-facing API.

import { EventEmitter } from '@unimodules/core';

import ExponentGyroscope from './ExponentGyroscope';

const nativeEmitter = new EventEmitter(ExponentGyroscope);

// On Android and iOS, `nativeEmitter` receives events sent from Objective-C and Java. On web, it
// receives events from the shared `SyntheticPlatformEmitter` instance.
nativeEmitter.addListener('gyroscopeDidUpdate', ({ x, y, z }) => {});

Current Tags

6.3.9 ... latest (3 years ago)
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43 Versions

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