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Code Issues Releases Wiki Activity

Change favorites tab scroll position restore to use StateRestorationPolicy

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Vonter 2021-06-07 22:16:17 +05:30
parent caa71faab1
commit 257d707c14
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GPG Key ID: 06F3D11E035E214F
1 changed files with 3 additions and 5 deletions
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app/src/main/java/awais/instagrabber/fragments/FavoritesFragment.kt
View File

@ -2,7 +2,6 @@ package awais.instagrabber.fragments
import android.content.DialogInterface import android.content.DialogInterface
import android.os.Bundle import android.os.Bundle
import android.os.Handler
import android.util.Log import android.util.Log
import android.view.LayoutInflater import android.view.LayoutInflater
import android.view.View import android.view.View
@ -24,8 +23,6 @@ import com.google.android.material.dialog.MaterialAlertDialogBuilder
class FavoritesFragment : Fragment() { class FavoritesFragment : Fragment() {
private var shouldRefresh = true private var shouldRefresh = true
private var scrollPosition = 0
private lateinit var binding: FragmentFavoritesBinding private lateinit var binding: FragmentFavoritesBinding
private lateinit var root: RecyclerView private lateinit var root: RecyclerView
private lateinit var adapter: FavoritesAdapter private lateinit var adapter: FavoritesAdapter
@ -51,7 +48,7 @@ class FavoritesFragment : Fragment() {
override fun onPause() { override fun onPause() {
super.onPause() super.onPause()
scrollPosition = (root.getLayoutManager() as LinearLayoutManager).findLastVisibleItemPosition() adapter.setStateRestorationPolicy(RecyclerView.Adapter.StateRestorationPolicy.PREVENT)
} }
override fun onResume() { override fun onResume() {
@ -60,8 +57,9 @@ class FavoritesFragment : Fragment() {
// refresh list every time in onViewStateRestored since it is cheaper than implementing pull down to refresh // refresh list every time in onViewStateRestored since it is cheaper than implementing pull down to refresh
favoritesViewModel.list.observe(viewLifecycleOwner, { favoritesViewModel.list.observe(viewLifecycleOwner, {
list: List<Favorite?>? -> adapter.submitList(list, Runnable { list: List<Favorite?>? -> adapter.submitList(list, Runnable {
root.scrollToPosition(scrollPosition)}) adapter.setStateRestorationPolicy(RecyclerView.Adapter.StateRestorationPolicy.ALLOW)
}) })
})
} }
private fun init() { private fun init() {