fix: Fix playlist reordering crash

app/src/main/java/code/name/monkey/retromusic/adapter/song/OrderablePlaylistSongAdapter.kt

@@ -26,6 +26,7 @@ import code.name.monkey.retromusic.db.toSongsEntity
 import code.name.monkey.retromusic.dialogs.RemoveSongFromPlaylistDialog
 import code.name.monkey.retromusic.fragments.LibraryViewModel
 import code.name.monkey.retromusic.model.Song
+import code.name.monkey.retromusic.util.ViewUtil
 import com.h6ah4i.android.widget.advrecyclerview.draggable.DraggableItemAdapter
 import com.h6ah4i.android.widget.advrecyclerview.draggable.ItemDraggableRange
 import kotlinx.coroutines.Dispatchers
@@ -50,11 +51,7 @@ class OrderablePlaylistSongAdapter(
     override fun getItemId(position: Int): Long {
         // requires static value, it means need to keep the same value
         // even if the item position has been changed.
-        return if (position != 0) {
+        return dataSet[position].id
-            dataSet[position - 1].id
-        } else {
-            -1
-        }
     }
 
     override fun createViewHolder(view: View): SongAdapter.ViewHolder {
@@ -99,26 +96,22 @@ class OrderablePlaylistSongAdapter(
     }
 
     override fun onCheckCanStartDrag(holder: ViewHolder, position: Int, x: Int, y: Int): Boolean {
-        if (dataSet.size == 0 or 1 || isInQuickSelectMode) {
+        if (isInQuickSelectMode) {
             return false
         }
-        val dragHandle = holder.dragView ?: return false
+        return ViewUtil.hitTest(holder.imageText!!, x, y) || ViewUtil.hitTest(
-
+            holder.dragView!!,
-        val handleWidth = dragHandle.width
+            x,
-        val handleHeight = dragHandle.height
+            y
-        val handleLeft = dragHandle.left
+        )
-        val handleTop = dragHandle.top
-
-        return (x >= handleLeft && x < handleLeft + handleWidth &&
-                y >= handleTop && y < handleTop + handleHeight) && position != 0
     }
 
     override fun onMoveItem(fromPosition: Int, toPosition: Int) {
-        dataSet.add(toPosition - 1, dataSet.removeAt(fromPosition - 1))
+        dataSet.add(toPosition, dataSet.removeAt(fromPosition))
     }
 
-    override fun onGetItemDraggableRange(holder: ViewHolder, position: Int): ItemDraggableRange {
+    override fun onGetItemDraggableRange(holder: ViewHolder, position: Int): ItemDraggableRange? {
-        return ItemDraggableRange(0, itemCount - 1)
+        return null
     }
 
     override fun onCheckCanDrop(draggingPosition: Int, dropPosition: Int): Boolean {

app/src/main/java/code/name/monkey/retromusic/fragments/playlists/PlaylistDetailsFragment.kt

@@ -12,6 +12,7 @@ import androidx.navigation.fragment.findNavController
 import androidx.navigation.fragment.navArgs
 import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.RecyclerView
+import androidx.recyclerview.widget.SimpleItemAnimator
 import code.name.monkey.retromusic.R
 import code.name.monkey.retromusic.adapter.song.OrderablePlaylistSongAdapter
 import code.name.monkey.retromusic.databinding.FragmentPlaylistDetailNewBinding
@@ -34,7 +35,6 @@ import com.google.android.material.transition.MaterialArcMotion
 import com.google.android.material.transition.MaterialContainerTransform
 import com.google.android.material.transition.MaterialSharedAxis
 import com.h6ah4i.android.widget.advrecyclerview.animator.DraggableItemAnimator
-import com.h6ah4i.android.widget.advrecyclerview.animator.GeneralItemAnimator
 import com.h6ah4i.android.widget.advrecyclerview.draggable.RecyclerViewDragDropManager
 import org.koin.androidx.viewmodel.ext.android.viewModel
 import org.koin.core.parameter.parametersOf
@@ -126,15 +126,11 @@ class PlaylistDetailsFragment : AbsMainActivityFragment(R.layout.fragment_playli
         val wrappedAdapter: RecyclerView.Adapter<*> =
             dragDropManager.createWrappedAdapter(playlistSongAdapter)
 
-
-        val animator: GeneralItemAnimator = DraggableItemAnimator()
-        binding.recyclerView.itemAnimator = animator
-
-        dragDropManager.attachRecyclerView(binding.recyclerView)
-
         binding.recyclerView.apply {
+            adapter = wrappedAdapter
             layoutManager = LinearLayoutManager(requireContext())
-            binding.recyclerView.adapter = wrappedAdapter
+            itemAnimator = DraggableItemAnimator()
+            dragDropManager.attachRecyclerView(this)
             ThemedFastScroller.create(this)
         }
         playlistSongAdapter.registerAdapterDataObserver(object :

app/src/main/java/code/name/monkey/retromusic/fragments/queue/PlayingQueueFragment.kt

@@ -80,9 +80,6 @@ class PlayingQueueFragment : AbsMusicServiceFragment(R.layout.fragment_playing_q
         recyclerViewDragDropManager = RecyclerViewDragDropManager()
         recyclerViewSwipeManager = RecyclerViewSwipeManager()
 
-        val animator = DraggableItemAnimator()
-        animator.supportsChangeAnimations = false
-
         playingQueueAdapter = PlayingQueueAdapter(
             requireActivity(),
             MusicPlayerRemote.playingQueue.toMutableList(),
@@ -94,12 +91,15 @@ class PlayingQueueFragment : AbsMusicServiceFragment(R.layout.fragment_playing_q
 
         linearLayoutManager = LinearLayoutManager(requireContext())
 
-        binding.recyclerView.layoutManager = linearLayoutManager
+
-        binding.recyclerView.adapter = wrappedAdapter
+        binding.recyclerView.apply {
-        binding.recyclerView.itemAnimator = animator
+            layoutManager = linearLayoutManager
-        recyclerViewTouchActionGuardManager?.attachRecyclerView(binding.recyclerView)
+            adapter = wrappedAdapter
-        recyclerViewDragDropManager?.attachRecyclerView(binding.recyclerView)
+            itemAnimator = DraggableItemAnimator()
-        recyclerViewSwipeManager?.attachRecyclerView(binding.recyclerView)
+            recyclerViewTouchActionGuardManager?.attachRecyclerView(this)
+            recyclerViewDragDropManager?.attachRecyclerView(this)
+            recyclerViewSwipeManager?.attachRecyclerView(this)
+        }
         linearLayoutManager.scrollToPositionWithOffset(MusicPlayerRemote.position + 1, 0)
 
         binding.recyclerView.addOnScrollListener(object : RecyclerView.OnScrollListener() {
@@ -184,6 +184,7 @@ class PlayingQueueFragment : AbsMusicServiceFragment(R.layout.fragment_playing_q
 
     private fun setupToolbar() {
         binding.appBarLayout.toolbar.subtitle = getUpNextAndQueueTime()
+        binding.appBarLayout.toolbar.isTitleCentered = false
         binding.clearQueue.backgroundTintList = ColorStateList.valueOf(accentColor())
         ColorStateList.valueOf(
             MaterialValueHelper.getPrimaryTextColor(