Simona Stojanovic
3 years ago
committed by
Don Turner
parent
52b771a8b5
commit
febbd26261
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/*
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* Copyright 2022 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.google.samples.apps.nowinandroid.navigation
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import android.app.Activity
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import android.view.View
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import androidx.compose.material3.windowsizeclass.WindowSizeClass
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import androidx.compose.runtime.Composable
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import androidx.compose.ui.Modifier
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import androidx.compose.ui.platform.LocalView
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import androidx.core.view.doOnPreDraw
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import androidx.navigation.NavHostController
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import androidx.navigation.compose.NavHost
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import androidx.navigation.compose.rememberNavController
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import com.google.samples.apps.nowinandroid.feature.author.navigation.AuthorDestination
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import com.google.samples.apps.nowinandroid.feature.author.navigation.authorGraph
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import com.google.samples.apps.nowinandroid.feature.foryou.navigation.ForYouDestination
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import com.google.samples.apps.nowinandroid.feature.foryou.navigation.forYouGraph
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import com.google.samples.apps.nowinandroid.feature.interests.navigation.interestsGraph
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import com.google.samples.apps.nowinandroid.feature.topic.navigation.TopicDestination
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import com.google.samples.apps.nowinandroid.feature.topic.navigation.topicGraph
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/**
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* Top-level navigation graph. Navigation is organized as explained at
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* https://d.android.com/jetpack/compose/nav-adaptive
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*
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* The navigation graph defined in this file defines the different top level routes. Navigation
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* within each route is handled using state and Back Handlers.
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*/
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@Composable
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fun NiaNavHost(
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windowSizeClass: WindowSizeClass,
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modifier: Modifier = Modifier,
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navController: NavHostController = rememberNavController(),
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startDestination: String = ForYouDestination.route
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) {
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NavHost(
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navController = navController,
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startDestination = startDestination,
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modifier = modifier,
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) {
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forYouGraph(
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windowSizeClass = windowSizeClass
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)
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interestsGraph(
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navigateToTopic = { navController.navigate("${TopicDestination.route}/$it") },
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navigateToAuthor = { navController.navigate("${AuthorDestination.route}/$it") }
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)
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topicGraph(
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onBackClick = { navController.popBackStack() }
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)
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authorGraph(
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onBackClick = { navController.popBackStack() }
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)
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}
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// Reporting the app fully drawn to get accurate TTFD readings for the baseline profile.
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// https://developer.android.com/topic/performance/vitals/launch-time#retrieve-TTFD
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ReportFullyDrawn(ForYouDestination.route)
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}
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/**
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* Calling [Activity#reportFullyDrawn] in compose UI.
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*/
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@Composable
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private fun ReportFullyDrawn(destination: String) {
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// Holding on to the local view and calling `reportFullyDrawn` in an `onPreDraw` listener.
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// Compose currently doesn't offer a way to otherwise report fully drawn,
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// so this is a viable approach.
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val localView: View = LocalView.current
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(localView.context as? Activity)?.run {
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localView.doOnPreDraw {
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reportFullyDrawn()
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}
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}
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}
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/*
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* Copyright 2022 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.google.samples.apps.nowinandroid.navigation
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import androidx.compose.material.icons.Icons
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import androidx.compose.material.icons.filled.Grid3x3
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import androidx.compose.material.icons.filled.Upcoming
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import androidx.compose.material.icons.outlined.Grid3x3
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import androidx.compose.material.icons.outlined.Upcoming
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import androidx.compose.ui.graphics.vector.ImageVector
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import androidx.navigation.NavGraph.Companion.findStartDestination
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import androidx.navigation.NavHostController
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import com.google.samples.apps.nowinandroid.feature.foryou.R.string.for_you
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import com.google.samples.apps.nowinandroid.feature.foryou.navigation.ForYouDestination
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import com.google.samples.apps.nowinandroid.feature.interests.R.string.interests
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import com.google.samples.apps.nowinandroid.feature.interests.navigation.InterestsDestination
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/**
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* Routes for the different top level destinations in the application. Each of these destinations
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* can contain one or more screens (based on the window size). Navigation from one screen to the
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* next within a single destination will be handled directly in composables.
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*/
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/**
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* Models the navigation top level actions in the app.
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*/
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class NiaTopLevelNavigation(private val navController: NavHostController) {
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fun navigateTo(destination: TopLevelDestination) {
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navController.navigate(destination.route) {
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// Pop up to the start destination of the graph to
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// avoid building up a large stack of destinations
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// on the back stack as users select items
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popUpTo(navController.graph.findStartDestination().id) {
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saveState = true
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}
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// Avoid multiple copies of the same destination when
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// reselecting the same item
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launchSingleTop = true
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// Restore state when reselecting a previously selected item
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restoreState = true
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}
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}
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}
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data class TopLevelDestination(
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val route: String,
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val selectedIcon: ImageVector,
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val unselectedIcon: ImageVector,
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val iconTextId: Int
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)
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val TOP_LEVEL_DESTINATIONS = listOf(
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TopLevelDestination(
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route = ForYouDestination.route,
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selectedIcon = Icons.Filled.Upcoming,
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unselectedIcon = Icons.Outlined.Upcoming,
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iconTextId = for_you
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),
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TopLevelDestination(
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route = InterestsDestination.route,
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selectedIcon = Icons.Filled.Grid3x3,
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unselectedIcon = Icons.Outlined.Grid3x3,
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iconTextId = interests
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)
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)
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@ -1,124 +0,0 @@
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/*
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* Copyright 2022 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.google.samples.apps.nowinandroid.ui
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import android.app.Activity
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import android.view.View
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import androidx.compose.material3.Text
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import androidx.compose.material3.windowsizeclass.WindowSizeClass
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import androidx.compose.runtime.Composable
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import androidx.compose.ui.Modifier
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import androidx.compose.ui.platform.LocalView
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import androidx.core.view.doOnPreDraw
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import androidx.navigation.NavHostController
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import androidx.navigation.NavType
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import androidx.navigation.compose.NavHost
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import androidx.navigation.compose.composable
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import androidx.navigation.compose.navigation
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import androidx.navigation.compose.rememberNavController
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import androidx.navigation.navArgument
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import com.google.samples.apps.nowinandroid.feature.author.AuthorDestinations
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import com.google.samples.apps.nowinandroid.feature.author.AuthorDestinationsArgs
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import com.google.samples.apps.nowinandroid.feature.author.AuthorRoute
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import com.google.samples.apps.nowinandroid.feature.author.InterestsScreens.AUTHOR_SCREEN
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import com.google.samples.apps.nowinandroid.feature.foryou.ForYouRoute
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import com.google.samples.apps.nowinandroid.feature.interests.InterestsRoute
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import com.google.samples.apps.nowinandroid.feature.topic.InterestsDestinations
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import com.google.samples.apps.nowinandroid.feature.topic.InterestsScreens.TOPIC_SCREEN
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import com.google.samples.apps.nowinandroid.feature.topic.TopicDestinationsArgs
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import com.google.samples.apps.nowinandroid.feature.topic.TopicRoute
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/**
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* Top-level navigation graph. Navigation is organized as explained at
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* https://d.android.com/jetpack/compose/nav-adaptive
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*
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* The navigation graph defined in this file defines the different top level routes. Navigation
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* within each route is handled using state and Back Handlers.
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*/
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@Composable
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fun NiaNavGraph(
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windowSizeClass: WindowSizeClass,
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modifier: Modifier = Modifier,
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navController: NavHostController = rememberNavController(),
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startDestination: String = NiaDestinations.FOR_YOU_ROUTE
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) {
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NavHost(
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navController = navController,
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startDestination = startDestination,
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modifier = modifier,
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) {
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composable(NiaDestinations.FOR_YOU_ROUTE) {
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ForYouRoute(windowSizeClass)
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}
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composable(NiaDestinations.EPISODES_ROUTE) {
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Text("EPISODES")
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}
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composable(NiaDestinations.SAVED_ROUTE) {
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Text("SAVED")
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}
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navigation(
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startDestination = InterestsDestinations.INTERESTS_DESTINATION,
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route = NiaDestinations.INTERESTS_ROUTE
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) {
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composable(InterestsDestinations.INTERESTS_DESTINATION) {
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InterestsRoute(
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navigateToTopic = { navController.navigate("$TOPIC_SCREEN/$it") },
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navigateToAuthor = { navController.navigate("$AUTHOR_SCREEN/$it") },
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)
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}
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composable(
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InterestsDestinations.TOPIC_ROUTE,
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arguments = listOf(
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navArgument(TopicDestinationsArgs.TOPIC_ID_ARG) {
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type = NavType.StringType
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}
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)
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) {
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TopicRoute(onBackClick = { navController.popBackStack() })
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}
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composable(
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AuthorDestinations.AUTHOR_ROUTE,
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arguments = listOf(
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navArgument(AuthorDestinationsArgs.AUTHOR_ID_ARG) {
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type = NavType.StringType
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}
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)
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) {
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AuthorRoute(onBackClick = { navController.popBackStack() })
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}
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}
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}
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// Reporting the app fully drawn to get accurate TTFD readings for the baseline profile.
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// https://developer.android.com/topic/performance/vitals/launch-time#retrieve-TTFD
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ReportFullyDrawn(NiaDestinations.FOR_YOU_ROUTE)
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}
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/**
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* Calling [Activity#reportFullyDrawn] in compose UI.
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*/
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@Composable
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private fun ReportFullyDrawn(destination: String) {
|
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// Holding on to the local view and calling `reportFullyDrawn` in an `onPreDraw` listener.
|
|
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// Compose currently doesn't offer a way to otherwise report fully drawn,
|
|
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// so this is a viable approach.
|
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val localView: View = LocalView.current
|
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(localView.context as? Activity)?.run {
|
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localView.doOnPreDraw {
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reportFullyDrawn()
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}
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}
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}
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@ -1,53 +0,0 @@
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/*
|
|
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* Copyright 2022 The Android Open Source Project
|
|
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*
|
|
||||||
* 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
|
|
||||||
*
|
|
||||||
* https://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 com.google.samples.apps.nowinandroid.ui
|
|
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|
|
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import androidx.navigation.NavGraph.Companion.findStartDestination
|
|
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import androidx.navigation.NavHostController
|
|
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|
|
||||||
/**
|
|
||||||
* Routes for the different destinations in the application. Each of these destinations can contain
|
|
||||||
* one or more screens (based on the window size). Navigation from one screen to the next within a
|
|
||||||
* single destination will be handled directly in Compose, not using the Navigation component.
|
|
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*/
|
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object NiaDestinations {
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const val FOR_YOU_ROUTE = "for_you"
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const val EPISODES_ROUTE = "episodes"
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const val SAVED_ROUTE = "saved"
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const val INTERESTS_ROUTE = "interests"
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}
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|
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/**
|
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* Models the navigation actions in the app.
|
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*/
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class NiaNavigationActions(private val navController: NavHostController) {
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fun navigateToTopLevelDestination(route: String) {
|
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navController.navigate(route) {
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|
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// Pop up to the start destination of the graph to
|
|
||||||
// avoid building up a large stack of destinations
|
|
||||||
// on the back stack as users select items
|
|
||||||
popUpTo(navController.graph.findStartDestination().id) {
|
|
||||||
saveState = true
|
|
||||||
}
|
|
||||||
// Avoid multiple copies of the same destination when
|
|
||||||
// reselecting the same item
|
|
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launchSingleTop = true
|
|
||||||
// Restore state when reselecting a previously selected item
|
|
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restoreState = true
|
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||||||
}
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||||||
}
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}
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@ -0,0 +1 @@
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|
/build
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@ -0,0 +1,20 @@
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|
<?xml version="1.0" encoding="utf-8"?>
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|
<!--
|
||||||
|
Copyright 2022 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.
|
||||||
|
-->
|
||||||
|
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
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||||||
|
package="com.google.samples.apps.nowinandroid.core.navigation">
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||||||
|
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||||||
|
</manifest>
|
||||||
@ -0,0 +1,38 @@
|
|||||||
|
/*
|
||||||
|
* Copyright 2022 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
|
||||||
|
*
|
||||||
|
* https://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 com.google.samples.apps.nowinandroid.core.navigation
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Interface for describing the Now in Android navigation destinations
|
||||||
|
*/
|
||||||
|
|
||||||
|
interface NiaNavigationDestination {
|
||||||
|
/**
|
||||||
|
* Defines a specific route this destination belongs to.
|
||||||
|
* Route is a String that defines the path to your composable.
|
||||||
|
* You can think of it as an implicit deep link that leads to a specific destination.
|
||||||
|
* Each destination should have a unique route.
|
||||||
|
*/
|
||||||
|
val route: String
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Defines a specific destination ID.
|
||||||
|
* This is needed when using nested graphs via the navigation DLS, to differentiate a specific
|
||||||
|
* destination's route from the route of the entire nested graph it belongs to.
|
||||||
|
*/
|
||||||
|
val destination: String
|
||||||
|
}
|
||||||
@ -0,0 +1,45 @@
|
|||||||
|
/*
|
||||||
|
* Copyright 2022 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
|
||||||
|
*
|
||||||
|
* https://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 com.google.samples.apps.nowinandroid.feature.author.navigation
|
||||||
|
|
||||||
|
import androidx.navigation.NavGraphBuilder
|
||||||
|
import androidx.navigation.NavType
|
||||||
|
import androidx.navigation.compose.composable
|
||||||
|
import androidx.navigation.navArgument
|
||||||
|
import com.google.samples.apps.nowinandroid.core.navigation.NiaNavigationDestination
|
||||||
|
import com.google.samples.apps.nowinandroid.feature.author.AuthorRoute
|
||||||
|
|
||||||
|
object AuthorDestination : NiaNavigationDestination {
|
||||||
|
override val route = "author_route"
|
||||||
|
override val destination = "author_destination"
|
||||||
|
const val authorIdArg = "authorId"
|
||||||
|
}
|
||||||
|
|
||||||
|
fun NavGraphBuilder.authorGraph(
|
||||||
|
onBackClick: () -> Unit
|
||||||
|
) {
|
||||||
|
composable(
|
||||||
|
route = "${AuthorDestination.route}/{${AuthorDestination.authorIdArg}}",
|
||||||
|
arguments = listOf(
|
||||||
|
navArgument(AuthorDestination.authorIdArg) {
|
||||||
|
type = NavType.StringType
|
||||||
|
}
|
||||||
|
)
|
||||||
|
) {
|
||||||
|
AuthorRoute(onBackClick = onBackClick)
|
||||||
|
}
|
||||||
|
}
|
||||||
@ -0,0 +1,36 @@
|
|||||||
|
/*
|
||||||
|
* Copyright 2022 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
|
||||||
|
*
|
||||||
|
* https://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 com.google.samples.apps.nowinandroid.feature.foryou.navigation
|
||||||
|
|
||||||
|
import androidx.compose.material3.windowsizeclass.WindowSizeClass
|
||||||
|
import androidx.navigation.NavGraphBuilder
|
||||||
|
import androidx.navigation.compose.composable
|
||||||
|
import com.google.samples.apps.nowinandroid.core.navigation.NiaNavigationDestination
|
||||||
|
import com.google.samples.apps.nowinandroid.feature.foryou.ForYouRoute
|
||||||
|
|
||||||
|
object ForYouDestination : NiaNavigationDestination {
|
||||||
|
override val route = "for_you_route"
|
||||||
|
override val destination = "for_you_destination"
|
||||||
|
}
|
||||||
|
|
||||||
|
fun NavGraphBuilder.forYouGraph(
|
||||||
|
windowSizeClass: WindowSizeClass
|
||||||
|
) {
|
||||||
|
composable(route = ForYouDestination.route) {
|
||||||
|
ForYouRoute(windowSizeClass)
|
||||||
|
}
|
||||||
|
}
|
||||||
@ -0,0 +1,39 @@
|
|||||||
|
/*
|
||||||
|
* Copyright 2022 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
|
||||||
|
*
|
||||||
|
* https://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 com.google.samples.apps.nowinandroid.feature.interests.navigation
|
||||||
|
|
||||||
|
import androidx.navigation.NavGraphBuilder
|
||||||
|
import androidx.navigation.compose.composable
|
||||||
|
import com.google.samples.apps.nowinandroid.core.navigation.NiaNavigationDestination
|
||||||
|
import com.google.samples.apps.nowinandroid.feature.interests.InterestsRoute
|
||||||
|
|
||||||
|
object InterestsDestination : NiaNavigationDestination {
|
||||||
|
override val route = "interests_route"
|
||||||
|
override val destination = "interests_destination"
|
||||||
|
}
|
||||||
|
|
||||||
|
fun NavGraphBuilder.interestsGraph(
|
||||||
|
navigateToTopic: (String) -> Unit,
|
||||||
|
navigateToAuthor: (String) -> Unit
|
||||||
|
) {
|
||||||
|
composable(route = InterestsDestination.route) {
|
||||||
|
InterestsRoute(
|
||||||
|
navigateToTopic = navigateToTopic,
|
||||||
|
navigateToAuthor = navigateToAuthor,
|
||||||
|
)
|
||||||
|
}
|
||||||
|
}
|
||||||
@ -1,33 +0,0 @@
|
|||||||
/*
|
|
||||||
* Copyright 2022 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
|
|
||||||
*
|
|
||||||
* https://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 com.google.samples.apps.nowinandroid.feature.topic
|
|
||||||
|
|
||||||
import com.google.samples.apps.nowinandroid.feature.topic.InterestsScreens.TOPIC_SCREEN
|
|
||||||
import com.google.samples.apps.nowinandroid.feature.topic.TopicDestinationsArgs.TOPIC_ID_ARG
|
|
||||||
|
|
||||||
object InterestsDestinations {
|
|
||||||
const val INTERESTS_DESTINATION = "interests_destination"
|
|
||||||
const val TOPIC_ROUTE = "$TOPIC_SCREEN/{$TOPIC_ID_ARG}"
|
|
||||||
}
|
|
||||||
|
|
||||||
object TopicDestinationsArgs {
|
|
||||||
const val TOPIC_ID_ARG = "topicId"
|
|
||||||
}
|
|
||||||
|
|
||||||
object InterestsScreens {
|
|
||||||
const val TOPIC_SCREEN = "topic"
|
|
||||||
}
|
|
||||||
@ -0,0 +1,45 @@
|
|||||||
|
/*
|
||||||
|
* Copyright 2022 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
|
||||||
|
*
|
||||||
|
* https://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 com.google.samples.apps.nowinandroid.feature.topic.navigation
|
||||||
|
|
||||||
|
import androidx.navigation.NavGraphBuilder
|
||||||
|
import androidx.navigation.NavType
|
||||||
|
import androidx.navigation.compose.composable
|
||||||
|
import androidx.navigation.navArgument
|
||||||
|
import com.google.samples.apps.nowinandroid.core.navigation.NiaNavigationDestination
|
||||||
|
import com.google.samples.apps.nowinandroid.feature.topic.TopicRoute
|
||||||
|
|
||||||
|
object TopicDestination : NiaNavigationDestination {
|
||||||
|
override val route = "topic_route"
|
||||||
|
override val destination = "topic_destination"
|
||||||
|
const val topicIdArg = "topicId"
|
||||||
|
}
|
||||||
|
|
||||||
|
fun NavGraphBuilder.topicGraph(
|
||||||
|
onBackClick: () -> Unit
|
||||||
|
) {
|
||||||
|
composable(
|
||||||
|
route = "${TopicDestination.route}/{${TopicDestination.topicIdArg}}",
|
||||||
|
arguments = listOf(
|
||||||
|
navArgument(TopicDestination.topicIdArg) {
|
||||||
|
type = NavType.StringType
|
||||||
|
}
|
||||||
|
)
|
||||||
|
) {
|
||||||
|
TopicRoute(onBackClick = onBackClick)
|
||||||
|
}
|
||||||
|
}
|
||||||
Loading…
Reference in new issue