Core/com.mapbox.navigation.core.lifecycle/requireMapboxNavigation

requireMapboxNavigation

fun LifecycleOwner.requireMapboxNavigation(    onCreatedObserver: MapboxNavigationObserver? = null,     onStartedObserver: MapboxNavigationObserver? = null,     onResumedObserver: MapboxNavigationObserver? = null,     onInitialize: () -> Unit? = null): ReadOnlyProperty<Any, MapboxNavigation>
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Extension function to make it simple to create the RequireMapboxNavigationDelegate. Below are a couple examples of how you may use the delegate.

Default can be used when MapboxNavigationApp is setup elsewhere.

val mapboxNavigation by requireMapboxNavigation()
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Initialize the MapboxNavigationApp when you are ready to use it

val mapboxNavigation by requireMapboxNavigation {
  MapboxNavigationApp.setup(..)
}
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Register subscriptions and setup MapboxNavigationApp

private val mapboxNavigation by requireMapboxNavigation(
  onResumedObserver = object : MapboxNavigationObserver {
    override fun onAttached(mapboxNavigation: MapboxNavigation) {
      mapboxNavigation.registerLocationObserver(locationObserver)
      mapboxNavigation.registerRoutesObserver(routesObserver)
    }
    override fun onDetached(mapboxNavigation: MapboxNavigation) {
      mapboxNavigation.unregisterLocationObserver(locationObserver)
      mapboxNavigation.unregisterRoutesObserver(routesObserver)
    }
  }
) {
  MapboxNavigationApp.setup(
      NavigationOptions.Builder(this)
          .accessToken(accessToken)
          .build()
    )
}
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See also