ReactAndroid/com.facebook.react.defaults/DefaultReactNativeHost

DefaultReactNativeHost

abstract class DefaultReactNativeHost : ReactNativeHost

A utility class that allows you to simplify the setup of a ReactNativeHost for new apps in Open Source.

Specifically, for apps that are using the New Architecture, this Default class takes care of providing the default TurboModuleManagerDelegateBuilder and the default JSIModulePackage, provided the name of the dynamic library to load.

Functions

clear

open override fun clear()

Destroy the current instance and invalidate the internal ReactInstanceManager, reclaiming its resources and preventing it from being reused.

getLazyViewManagersEnabled

open fun getLazyViewManagersEnabled(): Boolean

Returns whether view managers should be created lazily. See for details.

getReactInstanceManager

open fun getReactInstanceManager(): ReactInstanceManager

Get the current ReactInstanceManager instance, or create one.

getShouldRequireActivity

open fun getShouldRequireActivity(): Boolean

Returns whether or not to treat it as normal if Activity is null.

getSurfaceDelegateFactory

open fun getSurfaceDelegateFactory(): SurfaceDelegateFactory

Return the SurfaceDelegateFactory used by NativeModules to get access to a to interact with a surface. By default in the mobile platform the it returns is null, and the NativeModule needs to implement its own to decide how it would interact with its own container surface.

getUseDeveloperSupport

abstract fun getUseDeveloperSupport(): Boolean

Returns whether dev mode should be enabled. This enables e.g. the dev menu.

hasInstance

open fun hasInstance(): Boolean

Get whether this holder contains a ReactInstanceManager instance, or not. I.e. if getReactInstanceManager has been called at least once since this object was created or clear was called.