优化

app/src/main/java/io/legado/app/data/dao/BookSourceDao.kt

@@ -1,7 +1,6 @@
 package io.legado.app.data.dao
 
 import androidx.lifecycle.LiveData
-import androidx.paging.DataSource
 import androidx.room.*
 import io.legado.app.data.entities.BookSource
 
@@ -41,9 +40,6 @@ interface BookSourceDao {
     @Query("select distinct bookSourceGroup from book_sources where enabledExplore = 1 and trim(exploreUrl) <> '' and trim(bookSourceGroup) <> ''")
     fun liveExploreGroup(): LiveData<List<String>>
 
-    @Query("select * from book_sources where enabledExplore = 1 order by customOrder asc")
-    fun observeFind(): DataSource.Factory<Int, BookSource>
-
     @Query("select * from book_sources where bookSourceGroup like '%' || :group || '%'")
     fun getByGroup(group: String): List<BookSource>
 

app/src/main/java/io/legado/app/data/dao/BookmarkDao.kt

@@ -1,6 +1,6 @@
 package io.legado.app.data.dao
 
-import androidx.paging.DataSource
+import androidx.lifecycle.LiveData
 import androidx.room.*
 import io.legado.app.data.entities.Bookmark
 
@@ -16,10 +16,10 @@ interface BookmarkDao {
         bookUrl: String,
         bookName: String,
         bookAuthor: String
-    ): DataSource.Factory<Int, Bookmark>
+    ): LiveData<List<Bookmark>>
 
     @Query("SELECT * FROM bookmarks where bookUrl = :bookUrl and chapterName like '%'||:key||'%' or content like '%'||:key||'%'")
-    fun liveDataSearch(bookUrl: String, key: String): DataSource.Factory<Int, Bookmark>
+    fun liveDataSearch(bookUrl: String, key: String): LiveData<List<Bookmark>>
 
     @Insert(onConflict = OnConflictStrategy.REPLACE)
     fun insert(vararg bookmark: Bookmark)

app/src/main/java/io/legado/app/data/dao/SearchBookDao.kt

@@ -1,6 +1,5 @@
 package io.legado.app.data.dao
 
-import androidx.paging.DataSource
 import androidx.room.Dao
 import androidx.room.Insert
 import androidx.room.OnConflictStrategy
@@ -10,12 +9,6 @@ import io.legado.app.data.entities.SearchBook
 @Dao
 interface SearchBookDao {
 
-    @Query("SELECT * FROM searchBooks")
-    fun observeAll(): DataSource.Factory<Int, SearchBook>
-
-    @Query("SELECT * FROM searchBooks where time >= :time")
-    fun observeNew(time: Long): DataSource.Factory<Int, SearchBook>
-
     @Query("select * from searchBooks where bookUrl = :bookUrl")
     fun getSearchBook(bookUrl: String): SearchBook?
 

app/src/main/java/io/legado/app/ui/book/toc/BookmarkAdapter.kt

@@ -1,54 +1,38 @@
 package io.legado.app.ui.book.toc
 
-import android.view.LayoutInflater
+import android.content.Context
 import android.view.ViewGroup
-import androidx.paging.PagedListAdapter
-import androidx.recyclerview.widget.DiffUtil
-import androidx.recyclerview.widget.RecyclerView
+import io.legado.app.base.adapter.ItemViewHolder
+import io.legado.app.base.adapter.RecyclerAdapter
 import io.legado.app.data.entities.Bookmark
 import io.legado.app.databinding.ItemBookmarkBinding
 import splitties.views.onLongClick
 
-class BookmarkAdapter(val callback: Callback) : PagedListAdapter<Bookmark, BookmarkAdapter.MyViewHolder>(DIFF_CALLBACK) {
+class BookmarkAdapter(context: Context, val callback: Callback) :
+    RecyclerAdapter<Bookmark, ItemBookmarkBinding>(context) {
 
-    companion object {
-
-        @JvmField
-        val DIFF_CALLBACK = object : DiffUtil.ItemCallback<Bookmark>() {
-            override fun areItemsTheSame(oldItem: Bookmark, newItem: Bookmark): Boolean =
-                oldItem.time == newItem.time
-
-            override fun areContentsTheSame(oldItem: Bookmark, newItem: Bookmark): Boolean =
-                oldItem.time == newItem.time
-                        && oldItem.bookUrl == newItem.bookUrl
-                        && oldItem.chapterName == newItem.chapterName
-                        && oldItem.content == newItem.content
-        }
-    }
-
-    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): MyViewHolder {
-        val binding =
-            ItemBookmarkBinding.inflate(LayoutInflater.from(parent.context), parent, false)
-        return MyViewHolder(binding)
+    override fun getViewBinding(parent: ViewGroup): ItemBookmarkBinding {
+        return ItemBookmarkBinding.inflate(inflater, parent, false)
     }
 
-    override fun onBindViewHolder(holder: MyViewHolder, position: Int) {
-        getItem(position)?.let {
-            holder.bind(it, callback)
-        }
+    override fun convert(
+        holder: ItemViewHolder,
+        binding: ItemBookmarkBinding,
+        item: Bookmark,
+        payloads: MutableList<Any>
+    ) {
+        binding.tvChapterName.text = item.chapterName
+        binding.tvBookText.text = item.bookText
+        binding.tvContent.text = item.content
     }
 
-    class MyViewHolder(val binding: ItemBookmarkBinding) : RecyclerView.ViewHolder(binding.root) {
-
-        fun bind(bookmark: Bookmark, callback: Callback?) = with(binding) {
-            tvChapterName.text = bookmark.chapterName
-            tvBookText.text = bookmark.bookText
-            tvContent.text = bookmark.content
-            itemView.setOnClickListener {
-                callback?.onClick(bookmark)
+    override fun registerListener(holder: ItemViewHolder, binding: ItemBookmarkBinding) {
+        getItem(holder.layoutPosition)?.let { bookmark ->
+            binding.root.setOnClickListener {
+                callback.onClick(bookmark)
             }
-            itemView.onLongClick {
-                callback?.onLongClick(bookmark)
+            binding.root.onLongClick {
+                callback.onLongClick(bookmark)
             }
         }
     }
@@ -57,4 +41,5 @@ class BookmarkAdapter(val callback: Callback) : PagedListAdapter<Bookmark, Bookm
         fun onClick(bookmark: Bookmark)
         fun onLongClick(bookmark: Bookmark)
     }
+
 }

app/src/main/java/io/legado/app/ui/book/toc/BookmarkFragment.kt

@@ -7,8 +7,6 @@ import android.os.Bundle
 import android.view.View
 import androidx.fragment.app.activityViewModels
 import androidx.lifecycle.LiveData
-import androidx.paging.LivePagedListBuilder
-import androidx.paging.PagedList
 import androidx.recyclerview.widget.LinearLayoutManager
 import io.legado.app.R
 import io.legado.app.base.VMBaseFragment
@@ -31,7 +29,7 @@ class BookmarkFragment : VMBaseFragment<ChapterListViewModel>(R.layout.fragment_
     override val viewModel: ChapterListViewModel by activityViewModels()
     private val binding by viewBinding(FragmentBookmarkBinding::bind)
     private lateinit var adapter: BookmarkAdapter
-    private var bookmarkLiveData: LiveData<PagedList<Bookmark>>? = null
+    private var bookmarkLiveData: LiveData<List<Bookmark>>? = null
 
     override fun onFragmentCreated(view: View, savedInstanceState: Bundle?) {
         viewModel.bookMarkCallBack = this
@@ -43,7 +41,7 @@ class BookmarkFragment : VMBaseFragment<ChapterListViewModel>(R.layout.fragment_
 
     private fun initRecyclerView() {
         ATH.applyEdgeEffectColor(binding.recyclerView)
-        adapter = BookmarkAdapter(this)
+        adapter = BookmarkAdapter(requireContext(), this)
         binding.recyclerView.layoutManager = LinearLayoutManager(requireContext())
         binding.recyclerView.addItemDecoration(VerticalDivider(requireContext()))
         binding.recyclerView.adapter = adapter
@@ -51,11 +49,8 @@ class BookmarkFragment : VMBaseFragment<ChapterListViewModel>(R.layout.fragment_
 
     private fun initData(book: Book) {
         bookmarkLiveData?.removeObservers(viewLifecycleOwner)
-        bookmarkLiveData =
-            LivePagedListBuilder(
-                appDb.bookmarkDao.observeByBook(book.bookUrl, book.name, book.author), 20
-            ).build()
-        bookmarkLiveData?.observe(viewLifecycleOwner, { adapter.submitList(it) })
+        bookmarkLiveData = appDb.bookmarkDao.observeByBook(book.bookUrl, book.name, book.author)
+        bookmarkLiveData?.observe(viewLifecycleOwner, { adapter.setItems(it) })
     }
 
     override fun startBookmarkSearch(newText: String?) {
@@ -65,13 +60,8 @@ class BookmarkFragment : VMBaseFragment<ChapterListViewModel>(R.layout.fragment_
             }
         } else {
             bookmarkLiveData?.removeObservers(viewLifecycleOwner)
-            bookmarkLiveData = LivePagedListBuilder(
-                appDb.bookmarkDao.liveDataSearch(
-                    viewModel.bookUrl,
-                    newText
-                ), 20
-            ).build()
-            bookmarkLiveData?.observe(viewLifecycleOwner, { adapter.submitList(it) })
+            bookmarkLiveData = appDb.bookmarkDao.liveDataSearch(viewModel.bookUrl, newText)
+            bookmarkLiveData?.observe(viewLifecycleOwner, { adapter.setItems(it) })
         }
     }