DynamicNavHostFragment.kt
/*
* Copyright 2019 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package androidx.navigation.dynamicfeatures.fragment
import androidx.navigation.NavController
import androidx.navigation.dynamicfeatures.DynamicActivityNavigator
import androidx.navigation.dynamicfeatures.DynamicGraphNavigator
import androidx.navigation.dynamicfeatures.DynamicIncludeGraphNavigator
import androidx.navigation.dynamicfeatures.DynamicInstallManager
import androidx.navigation.dynamicfeatures.fragment.ui.DefaultProgressFragment
import androidx.navigation.fragment.NavHostFragment
import androidx.navigation.plusAssign
import com.google.android.play.core.splitinstall.SplitInstallManager
import com.google.android.play.core.splitinstall.SplitInstallManagerFactory
/**
* The [NavHostFragment] for dynamic features.
*/
open class DynamicNavHostFragment : NavHostFragment() {
override fun onCreateNavController(navController: NavController) {
super.onCreateNavController(navController)
val installManager = DynamicInstallManager(requireContext(), createSplitInstallManager())
val navigatorProvider = navController.navigatorProvider
navigatorProvider += DynamicActivityNavigator(requireActivity(), installManager)
val fragmentNavigator = DynamicFragmentNavigator(requireContext(),
childFragmentManager, id, installManager)
navigatorProvider += fragmentNavigator
val graphNavigator = DynamicGraphNavigator(
navigatorProvider,
installManager
)
graphNavigator.installDefaultProgressDestination {
fragmentNavigator.createDestination().apply {
className = DefaultProgressFragment::class.java.name
id = R.id.dfn_progress_fragment
}
}
navigatorProvider += graphNavigator
navigatorProvider += DynamicIncludeGraphNavigator(requireContext(),
navigatorProvider, navController.navInflater, installManager)
}
/**
* Create a new [SplitInstallManager].
*/
protected open fun createSplitInstallManager(): SplitInstallManager =
SplitInstallManagerFactory.create(requireContext())
}