优化

app/src/main/java/io/legado/app/ui/book/read/ContentEditDialog.kt

@@ -9,9 +9,12 @@ import io.legado.app.R
 import io.legado.app.base.BaseDialogFragment
 import io.legado.app.base.BaseViewModel
 import io.legado.app.data.appDb
+import io.legado.app.data.entities.BookChapter
 import io.legado.app.databinding.DialogContentEditBinding
+import io.legado.app.databinding.DialogEditTextBinding
 import io.legado.app.help.BookHelp
 import io.legado.app.help.ContentProcessor
+import io.legado.app.lib.dialogs.alert
 import io.legado.app.lib.theme.primaryColor
 import io.legado.app.model.ReadBook
 import io.legado.app.model.webBook.WebBook
@@ -39,6 +42,15 @@ class ContentEditDialog : BaseDialogFragment(R.layout.dialog_content_edit) {
         binding.toolBar.setBackgroundColor(primaryColor)
         binding.toolBar.title = ReadBook.curTextChapter?.title
         initMenu()
+        binding.toolBar.setOnClickListener {
+            launch {
+                val book = ReadBook.book ?: return@launch
+                val chapter = withContext(IO) {
+                    appDb.bookChapterDao.getChapter(book.bookUrl, ReadBook.durChapterIndex)
+                } ?: return@launch
+                editTitle(chapter)
+            }
+        }
         viewModel.initContent {
             binding.contentView.setText(it)
         }
@@ -71,6 +83,25 @@ class ContentEditDialog : BaseDialogFragment(R.layout.dialog_content_edit) {
         }
     }
 
+    private fun editTitle(chapter: BookChapter) {
+        alert {
+            setTitle(R.string.edit)
+            val alertBinding = DialogEditTextBinding.inflate(layoutInflater)
+            alertBinding.editView.setText(chapter.title)
+            setCustomView(alertBinding.root)
+            okButton {
+                chapter.title = alertBinding.editView.text.toString()
+                launch {
+                    withContext(IO) {
+                        appDb.bookChapterDao.upDate(chapter)
+                    }
+                    binding.toolBar.title = chapter.getDisplayTitle()
+                    ReadBook.loadContent(ReadBook.durChapterIndex, resetPageOffset = false)
+                }
+            }
+        }
+    }
+
     class ContentEditViewModel(application: Application) : BaseViewModel(application) {
 
         var content: String? = null

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

@@ -11,6 +11,10 @@ import io.legado.app.databinding.ItemFilletTextBinding
 class BookAdapter(context: Context, val callBack: CallBack) :
     RecyclerAdapter<Book, ItemFilletTextBinding>(context) {
 
+    override fun getItemId(position: Int): Long {
+        return position.toLong()
+    }
+
     override fun getViewBinding(parent: ViewGroup): ItemFilletTextBinding {
         return ItemFilletTextBinding.inflate(inflater, parent, false)
     }

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

@@ -13,6 +13,10 @@ class HistoryKeyAdapter(activity: SearchActivity, val callBack: CallBack) :
 
     private val explosionField = ExplosionField.attach2Window(activity)
 
+    override fun getItemId(position: Int): Long {
+        return position.toLong()
+    }
+
     override fun getViewBinding(parent: ViewGroup): ItemFilletTextBinding {
         return ItemFilletTextBinding.inflate(inflater, parent, false)
     }

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

@@ -42,8 +42,16 @@ class SearchActivity : VMBaseActivity<ActivityBookSearchBinding, SearchViewModel
     override val viewModel by viewModels<SearchViewModel>()
 
     private val adapter by lazy { SearchAdapter(this, this) }
-    private val bookAdapter by lazy { BookAdapter(this, this) }
+    private val bookAdapter by lazy {
-    private val historyKeyAdapter by lazy { HistoryKeyAdapter(this, this) }
+        BookAdapter(this, this).apply {
+            setHasStableIds(true)
+        }
+    }
+    private val historyKeyAdapter by lazy {
+        HistoryKeyAdapter(this, this).apply {
+            setHasStableIds(true)
+        }
+    }
     private val loadMoreView by lazy { LoadMoreView(this) }
     private val searchView: SearchView by lazy {
         binding.titleBar.findViewById(R.id.search_view)
@@ -196,16 +204,16 @@ class SearchActivity : VMBaseActivity<ActivityBookSearchBinding, SearchViewModel
                 upGroupMenu()
             }
         }
-        viewModel.searchBookLiveData.observe(this, {
+        viewModel.searchBookLiveData.observe(this) {
             upSearchItems(it)
-        })
+        }
-        viewModel.isSearchLiveData.observe(this, {
+        viewModel.isSearchLiveData.observe(this) {
             if (it) {
                 startSearch()
             } else {
                 searchFinally()
             }
-        })
+        }
     }
 
     private fun receiptIntent(intent: Intent? = null) {