hot-updater (WIP)

React Native OTA solution for internal infrastructure

IOS Usage

• as-is

// filename: ios/MyApp/AppDelegate.mm
// ...
#import <HotUpdater/HotUpdater.h>

// ...

- (NSURL *)sourceURLForBridge:(RCTBridge *)bridge
{
    #if DEBUG
      return [[RCTBundleURLProvider sharedSettings] jsBundleURLForBundleRoot:@"index"];
    #else
      return [[NSBundle mainBundle] URLForResource:@"main" withExtension:@"jsbundle"];
    #endif
}

// ...

• to-be

// filename: ios/MyApp/AppDelegate.mm
// ...

- (NSURL *)sourceURLForBridge:(RCTBridge *)bridge
{
    return [HotUpdater bundleURL];
}

// ...

Android Usage

package com.hotupdaterexample

import android.app.Application
import com.facebook.react.PackageList
import com.facebook.react.ReactApplication
import com.facebook.react.ReactHost
import com.facebook.react.ReactNativeHost
import com.facebook.react.ReactPackage
import com.facebook.react.defaults.DefaultNewArchitectureEntryPoint.load
import com.facebook.react.defaults.DefaultReactHost.getDefaultReactHost
import com.facebook.react.defaults.DefaultReactNativeHost
import com.facebook.soloader.SoLoader
import com.hotupdater.HotUpdater

class MainApplication : Application(), ReactApplication {

  override val reactNativeHost: ReactNativeHost =
      object : DefaultReactNativeHost(this) {
        override fun getPackages(): List<ReactPackage> =
            PackageList(this).packages.apply {
              // Packages that cannot be autolinked yet can be added manually here, for example:
              // add(MyReactNativePackage())
            }

        override fun getJSMainModuleName(): String = "index"

        override fun getUseDeveloperSupport(): Boolean = BuildConfig.DEBUG

        override val isNewArchEnabled: Boolean = BuildConfig.IS_NEW_ARCHITECTURE_ENABLED
        override val isHermesEnabled: Boolean = BuildConfig.IS_HERMES_ENABLED

        override fun getJSBundleFile(): String? {
          // This field
          return HotUpdater.getJSBundleFile() ?: super.getJSBundleFile()
        }
      }

  override val reactHost: ReactHost
    get() = getDefaultReactHost(applicationContext, reactNativeHost)

  override fun onCreate() {
    super.onCreate()
    SoLoader.init(this, false)
    // This field
    HotUpdater.init(applicationContext, reactNativeHost)
    if (BuildConfig.IS_NEW_ARCHITECTURE_ENABLED) {
      // If you opted-in for the New Architecture, we load the native entry point for this app.
      load()
    }
  }
}

Android Debug

> adb logcat -s HotUpdater