优化

app/src/main/java/io/legado/app/help/book/BookHelp.kt

@@ -1,6 +1,5 @@
 package io.legado.app.help.book
 
-import android.net.Uri
 import androidx.documentfile.provider.DocumentFile
 import io.legado.app.constant.AppLog
 import io.legado.app.constant.AppPattern
@@ -17,6 +16,7 @@ import kotlinx.coroutines.Dispatchers.IO
 import org.apache.commons.text.similarity.JaccardSimilarity
 import splitties.init.appCtx
 import java.io.File
+import java.io.FileNotFoundException
 import java.io.FileOutputStream
 import java.io.IOException
 import java.util.concurrent.CopyOnWriteArraySet
@@ -177,9 +177,9 @@ object BookHelp {
         return suffix
     }
 
-    @Throws(IOException::class)
+    @Throws(IOException::class, FileNotFoundException::class)
     fun getEpubFile(book: Book): ZipFile {
-        val uri = Uri.parse(book.bookUrl)
+        val uri = book.getLocalUri()
         if (uri.isContentScheme()) {
             FileUtils.createFolderIfNotExist(downloadDir, cacheEpubFolderName)
             val path = FileUtils.getPath(downloadDir, cacheEpubFolderName, book.originName)

app/src/main/java/io/legado/app/model/ReadBook.kt

@@ -501,6 +501,8 @@ object ReadBook : CoroutineScope by MainScope() {
         fun upPageAnim()
 
         fun exit()
+
+        fun notifyBookChanged()
     }
 
 }

app/src/main/java/io/legado/app/model/localBook/EpubFile.kt

@@ -112,7 +112,7 @@ class EpubFile(var book: Book) {
         }.onFailure {
             AppLog.put("读取Epub文件失败\n${it.localizedMessage}", it)
             it.printOnDebug()
-        }.getOrNull()
+        }.getOrThrow()
     }
 
     private fun getContent(chapter: BookChapter): String? {

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

@@ -46,9 +46,13 @@ abstract class BaseReadBookActivity :
     override val viewModel by viewModels<ReadBookViewModel>()
     var bottomDialog = 0
     private val selectBookFolderResult = registerForActivityResult(HandleFileContract()) {
-        it.uri?.let {
+        it.uri?.let { uri ->
             ReadBook.book?.let { book ->
+                FileDoc.fromUri(uri, true).find(book.originName)?.let { doc ->
+                    book.bookUrl = doc.uri.toString()
+                    book.save()
                     viewModel.loadChapterList(book)
+                } ?: ReadBook.upMsg("找不到文件")
             }
         } ?: ReadBook.upMsg("没有权限访问")
     }
@@ -123,7 +127,8 @@ abstract class BaseReadBookActivity :
         if (toolBarHide) {
             setLightStatusBar(ReadBookConfig.durConfig.curStatusIconDark())
         } else {
-            val statusBarColor = if (AppConfig.readBarStyleFollowPage && ReadBookConfig.durConfig.curBgType() == 0) {
+            val statusBarColor =
+                if (AppConfig.readBarStyleFollowPage && ReadBookConfig.durConfig.curBgType() == 0) {
                     ReadBookConfig.bgMeanColor
                 } else {
                     ThemeStore.statusBarColor(this, AppConfig.isTransparentStatusBar)
@@ -202,7 +207,8 @@ abstract class BaseReadBookActivity :
      * 保持亮屏
      */
     fun keepScreenOn(on: Boolean) {
-        val isScreenOn = (window.attributes.flags and WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON) != 0
+        val isScreenOn =
+            (window.attributes.flags and WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON) != 0
         if (on == isScreenOn) return
         if (on) {
             window.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON)

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

@@ -167,7 +167,7 @@ class ReadBookActivity : BaseReadBookActivity(),
     private val menuLayoutIsVisible get() = bottomDialog > 0 || binding.readMenu.isVisible
     private val nextPageRunnable by lazy { Runnable { mouseWheelPage(PageDirection.NEXT) } }
     private val prevPageRunnable by lazy { Runnable { mouseWheelPage(PageDirection.PREV) } }
-    private var isFirstResume = true
+    private var bookChanged = false
 
     //恢复跳转前进度对话框的交互结果
     private var confirmRestoreProcess: Boolean? = null
@@ -181,6 +181,7 @@ class ReadBookActivity : BaseReadBookActivity(),
         binding.cursorRight.setOnTouchListener(this)
         window.setBackgroundDrawable(null)
         upScreenTimeOut()
+        ReadBook.callBack?.notifyBookChanged()
         ReadBook.callBack = this
     }
 
@@ -204,8 +205,8 @@ class ReadBookActivity : BaseReadBookActivity(),
     override fun onResume() {
         super.onResume()
         ReadBook.readStartTime = System.currentTimeMillis()
-        val bookUrl = intent.getStringExtra("bookUrl")
+        if (bookChanged) {
-        if (!isFirstResume && ReadBook.book?.bookUrl != bookUrl) {
+            bookChanged = false
             ReadBook.callBack = this
             viewModel.initData(intent)
         } else {
@@ -218,9 +219,6 @@ class ReadBookActivity : BaseReadBookActivity(),
         upSystemUiVisibility()
         registerReceiver(timeBatteryReceiver, timeBatteryReceiver.filter)
         binding.readView.upTime()
-        if (isFirstResume) {
-            isFirstResume = false
-        }
     }
 
     override fun onPause() {
@@ -788,6 +786,10 @@ class ReadBookActivity : BaseReadBookActivity(),
         } ?: super.finish()
     }
 
+    override fun notifyBookChanged() {
+        bookChanged = true
+    }
+
     /**
      * 页面改变
      */

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

@@ -36,6 +36,7 @@ import kotlinx.coroutines.Dispatchers.IO
 import kotlinx.coroutines.launch
 import java.io.File
 import java.io.FileInputStream
+import java.io.FileNotFoundException
 import java.io.FileOutputStream
 
 /**
@@ -144,7 +145,7 @@ class ReadBookViewModel(application: Application) : BaseViewModel(application) {
                 }
             }.onError {
                 when (it) {
-                    is SecurityException -> {
+                    is SecurityException, is FileNotFoundException -> {
                         permissionDenialLiveData.postValue(1)
                     }
                     else -> {

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

@@ -18,11 +18,8 @@ import io.legado.app.utils.getCompatColor
 import io.legado.app.utils.gone
 import io.legado.app.utils.longToastOnUi
 import io.legado.app.utils.visible
-import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.*
 import kotlinx.coroutines.Dispatchers.Main
-import kotlinx.coroutines.async
-import kotlinx.coroutines.ensureActive
-import kotlinx.coroutines.withContext
 import java.util.concurrent.ConcurrentHashMap
 
 class ChapterListAdapter(context: Context, val callback: Callback) :
@@ -75,7 +72,7 @@ class ChapterListAdapter(context: Context, val callback: Callback) :
             val replaceRules = ContentProcessor.get(book.name, book.origin).getTitleReplaceRules()
             val useReplace = AppConfig.tocUiUseReplace && book.getUseReplaceRule()
             val items = getItems()
-            async {
+            launch {
                 for (i in startIndex until items.size) {
                     val item = items[i]
                     if (displayTitleMap[item.title] == null) {
@@ -88,8 +85,8 @@ class ChapterListAdapter(context: Context, val callback: Callback) :
                         }
                     }
                 }
-            }.start()
+            }
-            async {
+            launch {
                 for (i in startIndex downTo 0) {
                     val item = items[i]
                     if (displayTitleMap[item.title] == null) {
@@ -102,7 +99,7 @@ class ChapterListAdapter(context: Context, val callback: Callback) :
                         }
                     }
                 }
-            }.start()
+            }
         }
     }
 

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

@@ -45,6 +45,7 @@ class TocActivity : VMBaseActivity<ActivityChapterListBinding, TocViewModel>() {
         tabLayout.setSelectedTabIndicatorColor(accentColor)
         binding.viewPager.adapter = TabFragmentPageAdapter()
         tabLayout.setupWithViewPager(binding.viewPager)
+        tabLayout.tabGravity = TabLayout.GRAVITY_CENTER
         viewModel.bookData.observe(this) {
             menu?.setGroupVisible(R.id.menu_group_text, it.isLocalTxt)
         }