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Save state of start destination when navigating to route in nested graph #1805

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Save state of start destination when navigating to route in nested graph #1805

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12 changes: 11 additions & 1 deletion .../com/google/samples/apps/nowinandroid/feature/interests/navigation/InterestsNavigation.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,7 @@
package com.google.samples.apps.nowinandroid.feature.interests.navigation

import androidx.navigation.NavController
import androidx.navigation.NavGraph.Companion.findStartDestination
import androidx.navigation.NavOptions
import kotlinx.serialization.Serializable

Expand All @@ -29,5 +30,14 @@ fun NavController.navigateToInterests(
initialTopicId: String? = null,
navOptions: NavOptions? = null,
) {
navigate(route = InterestsRoute(initialTopicId), navOptions)
navigate(
route = InterestsRoute(initialTopicId),
navOptions = navOptions ?: androidx.navigation.navOptions {
// When navigating directly to TopicScreen route inside Interests nested graph, we need
// to save start destination state
popUpTo([email protected]().id) {
saveState = true
}
},
)
}