优化

app/src/main/java/io/legado/app/base/adapter/DiffRecyclerAdapter.kt

@@ -46,13 +46,14 @@ abstract class DiffRecyclerAdapter<ITEM, VB : ViewBinding>(protected val context
         recyclerView.adapter = this
     }
 
-    /**
-     * items与上一次提交的对象必须不同,如果指向相同地址即使数据变化也不会刷新
-     */
     @Synchronized
     fun setItems(items: List<ITEM>?) {
         kotlin.runCatching {
-            asyncListDiffer.submitList(items)
+            if (items == null) {
+                asyncListDiffer.submitList(null)
+            } else {
+                asyncListDiffer.submitList(ArrayList(items))
+            }
         }
     }
 

app/src/main/java/io/legado/app/ui/book/changecover/ChangeCoverDialog.kt

@@ -15,6 +15,7 @@ import io.legado.app.utils.applyTint
 import io.legado.app.utils.setLayout
 import io.legado.app.utils.viewbindingdelegate.viewBinding
 import kotlinx.coroutines.delay
+import kotlinx.coroutines.flow.conflate
 import kotlinx.coroutines.launch
 
 /**
@@ -67,6 +68,7 @@ class ChangeCoverDialog() : BaseDialogFragment(R.layout.dialog_change_cover),
     private fun initData() {
         launch {
             viewModel.dataFlow
+                .conflate()
                 .collect {
                     adapter.setItems(it)
                     delay(1000)

app/src/main/java/io/legado/app/ui/book/changecover/ChangeCoverViewModel.kt

@@ -18,7 +18,6 @@ import kotlinx.coroutines.ExecutorCoroutineDispatcher
 import kotlinx.coroutines.asCoroutineDispatcher
 import kotlinx.coroutines.channels.awaitClose
 import kotlinx.coroutines.flow.callbackFlow
-import kotlinx.coroutines.flow.conflate
 import kotlinx.coroutines.flow.flowOn
 import java.util.*
 import java.util.concurrent.Executors
@@ -56,8 +55,7 @@ class ChangeCoverViewModel(application: Application) : BaseViewModel(application
             searchBooks.clear()
             searchSuccess = null
         }
-    }.conflate()
-        .flowOn(IO)
+    }.flowOn(IO)
 
     @Volatile
     private var searchIndex = -1

app/src/main/java/io/legado/app/ui/book/changesource/ChangeBookSourceDialog.kt

@@ -29,6 +29,7 @@ import io.legado.app.ui.widget.recycler.VerticalDivider
 import io.legado.app.utils.*
 import io.legado.app.utils.viewbindingdelegate.viewBinding
 import kotlinx.coroutines.delay
+import kotlinx.coroutines.flow.conflate
 import kotlinx.coroutines.launch
 
 
@@ -145,6 +146,7 @@ class ChangeBookSourceDialog() : BaseDialogFragment(R.layout.dialog_book_change_
         }
         launch {
             viewModel.searchDataFlow
+                .conflate()
                 .collect {
                     adapter.setItems(it)
                     delay(1000)

app/src/main/java/io/legado/app/ui/book/changesource/ChangeBookSourceViewModel.kt

@@ -22,7 +22,6 @@ import kotlinx.coroutines.ExecutorCoroutineDispatcher
 import kotlinx.coroutines.asCoroutineDispatcher
 import kotlinx.coroutines.channels.awaitClose
 import kotlinx.coroutines.flow.callbackFlow
-import kotlinx.coroutines.flow.conflate
 import kotlinx.coroutines.flow.flowOn
 import kotlinx.coroutines.flow.map
 import splitties.init.appCtx
@@ -55,11 +54,11 @@ class ChangeBookSourceViewModel(application: Application) : BaseViewModel(applic
                     searchBook.name.contains(screenKey) -> searchBooks.add(searchBook)
                     else -> return
                 }
-                trySend(searchBooks)
+                trySend(arrayOf(searchBooks))
             }
 
             override fun upAdapter() {
-                trySend(searchBooks)
+                trySend(arrayOf(searchBooks))
             }
 
         }
@@ -67,7 +66,7 @@ class ChangeBookSourceViewModel(application: Application) : BaseViewModel(applic
         getDbSearchBooks().let {
             searchBooks.clear()
             searchBooks.addAll(it)
-            trySend(searchBooks)
+            trySend(arrayOf(searchBooks))
         }
 
         if (searchBooks.size <= 1) {
@@ -77,10 +76,9 @@ class ChangeBookSourceViewModel(application: Application) : BaseViewModel(applic
         awaitClose {
             searchCallback = null
         }
-    }.conflate()
-        .map {
-            searchBooks.sortedBy { it.originOrder }
-        }.flowOn(IO)
+    }.map {
+        searchBooks.sortedBy { it.originOrder }
+    }.flowOn(IO)
 
     @Volatile
     private var searchIndex = -1

app/src/main/java/io/legado/app/ui/book/changesource/ChangeChapterSourceDialog.kt

@@ -31,6 +31,7 @@ import io.legado.app.ui.widget.recycler.VerticalDivider
 import io.legado.app.utils.*
 import io.legado.app.utils.viewbindingdelegate.viewBinding
 import kotlinx.coroutines.delay
+import kotlinx.coroutines.flow.conflate
 import kotlinx.coroutines.launch
 
 
@@ -177,6 +178,7 @@ class ChangeChapterSourceDialog() : BaseDialogFragment(R.layout.dialog_chapter_c
         }
         launch {
             viewModel.searchDataFlow
+                .conflate()
                 .collect {
                     searchBookAdapter.setItems(it)
                     delay(1000)

app/src/main/java/io/legado/app/ui/book/changesource/ChangeChapterSourceViewModel.kt

@@ -24,7 +24,6 @@ import kotlinx.coroutines.ExecutorCoroutineDispatcher
 import kotlinx.coroutines.asCoroutineDispatcher
 import kotlinx.coroutines.channels.awaitClose
 import kotlinx.coroutines.flow.callbackFlow
-import kotlinx.coroutines.flow.conflate
 import kotlinx.coroutines.flow.flowOn
 import kotlinx.coroutines.flow.map
 import splitties.init.appCtx
@@ -83,10 +82,9 @@ class ChangeChapterSourceViewModel(application: Application) : BaseViewModel(app
         awaitClose {
             searchCallback = null
         }
-    }.conflate()
-        .map {
-            searchBooks.sortedBy { it.originOrder }
-        }.flowOn(IO)
+    }.map {
+        searchBooks.sortedBy { it.originOrder }
+    }.flowOn(IO)
 
     @Volatile
     private var searchIndex = -1

app/src/main/java/io/legado/app/ui/book/search/SearchActivity.kt

@@ -30,6 +30,7 @@ import io.legado.app.utils.viewbindingdelegate.viewBinding
 import kotlinx.coroutines.Dispatchers.IO
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.delay
+import kotlinx.coroutines.flow.conflate
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
 
@@ -197,6 +198,7 @@ class SearchActivity : VMBaseActivity<ActivityBookSearchBinding, SearchViewModel
     private fun initData() {
         launch {
             viewModel.searchDataFlow
+                .conflate()
                 .collect {
                     adapter.setItems(it)
                     delay(1000)

app/src/main/java/io/legado/app/ui/book/search/SearchViewModel.kt

@@ -10,7 +10,6 @@ import io.legado.app.data.entities.SearchKeyword
 import io.legado.app.model.webBook.SearchModel
 import kotlinx.coroutines.channels.awaitClose
 import kotlinx.coroutines.flow.callbackFlow
-import kotlinx.coroutines.flow.conflate
 
 class SearchViewModel(application: Application) : BaseViewModel(application) {
     private val searchModel = SearchModel(viewModelScope)
@@ -48,7 +47,7 @@ class SearchViewModel(application: Application) : BaseViewModel(application) {
         awaitClose {
             searchModel.unRegisterCallback()
         }
-    }.conflate()
+    }
 
     /**
      * 开始搜索