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Code Issues Projects Releases Wiki Activity

fix: search results scroll state not preserved when rotating

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This commit is contained in:
Bnyro 2024-05-14 21:21:56 +02:00
parent 80ae55b516
commit 6981433231
1 changed files with 18 additions and 0 deletions
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18
app/src/main/java/com/github/libretube/ui/fragments/SearchResultFragment.kt
View File

@ -1,6 +1,8 @@
package com.github.libretube.ui.fragments package com.github.libretube.ui.fragments
import android.content.res.Configuration
import android.os.Bundle import android.os.Bundle
import android.os.Parcelable
import android.view.LayoutInflater import android.view.LayoutInflater
import android.view.View import android.view.View
import android.view.ViewGroup import android.view.ViewGroup
@ -13,6 +15,7 @@ import androidx.lifecycle.repeatOnLifecycle
import androidx.navigation.fragment.navArgs import androidx.navigation.fragment.navArgs
import androidx.paging.LoadState import androidx.paging.LoadState
import androidx.recyclerview.widget.GridLayoutManager import androidx.recyclerview.widget.GridLayoutManager
import androidx.recyclerview.widget.RecyclerView
import com.github.libretube.R import com.github.libretube.R
import com.github.libretube.constants.PreferenceKeys import com.github.libretube.constants.PreferenceKeys
import com.github.libretube.databinding.FragmentSearchResultBinding import com.github.libretube.databinding.FragmentSearchResultBinding
@ -36,6 +39,8 @@ class SearchResultFragment : DynamicLayoutManagerFragment() {
private val args by navArgs<SearchResultFragmentArgs>() private val args by navArgs<SearchResultFragmentArgs>()
private val viewModel by viewModels<SearchResultViewModel>() private val viewModel by viewModels<SearchResultViewModel>()
private var recyclerViewState: Parcelable? = null
override fun onCreateView( override fun onCreateView(
inflater: LayoutInflater, inflater: LayoutInflater,
container: ViewGroup?, container: ViewGroup?,
@ -83,6 +88,13 @@ class SearchResultFragment : DynamicLayoutManagerFragment() {
val searchResultsAdapter = SearchResultsAdapter(timeStamp ?: 0) val searchResultsAdapter = SearchResultsAdapter(timeStamp ?: 0)
binding.searchRecycler.adapter = searchResultsAdapter binding.searchRecycler.adapter = searchResultsAdapter
binding.searchRecycler.addOnScrollListener(object : RecyclerView.OnScrollListener() {
override fun onScrollStateChanged(recyclerView: RecyclerView, newState: Int) {
super.onScrollStateChanged(recyclerView, newState)
recyclerViewState = binding.searchRecycler.layoutManager?.onSaveInstanceState()
}
})
viewLifecycleOwner.lifecycleScope.launch { viewLifecycleOwner.lifecycleScope.launch {
repeatOnLifecycle(Lifecycle.State.STARTED) { repeatOnLifecycle(Lifecycle.State.STARTED) {
searchResultsAdapter.loadStateFlow.collect { searchResultsAdapter.loadStateFlow.collect {
@ -112,6 +124,12 @@ class SearchResultFragment : DynamicLayoutManagerFragment() {
} }
} }
override fun onConfigurationChanged(newConfig: Configuration) {
super.onConfigurationChanged(newConfig)
// manually restore the recyclerview state due to https://github.com/material-components/material-components-android/issues/3473
binding.searchRecycler.layoutManager?.onRestoreInstanceState(recyclerViewState)
}
override fun onDestroyView() { override fun onDestroyView() {
super.onDestroyView() super.onDestroyView()
_binding = null _binding = null