优化

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

@@ -263,7 +263,12 @@ object ReadBook : CoroutineScope by MainScope() {
     private fun curPageChanged() {
         callBack?.pageChanged()
         if (BaseReadAloudService.isRun) {
-            readAloud(!BaseReadAloudService.pause)
+            val scrollPageAnim = pageAnim() == 3
+            if (scrollPageAnim) {
+                ReadAloud.pause(appCtx)
+            } else {
+                readAloud(!BaseReadAloudService.pause)
+            }
         }
         upReadTime()
         preDownload()
@@ -272,9 +277,9 @@ object ReadBook : CoroutineScope by MainScope() {
     /**
      * 朗读
      */
-    fun readAloud(play: Boolean = true) {
+    fun readAloud(play: Boolean = true, startPos: Int = 0) {
         book?.let {
-            ReadAloud.play(appCtx, play)
+            ReadAloud.play(appCtx, play, startPos = startPos)
         }
     }
 

app/src/main/java/io/legado/app/service/BaseReadAloudService.kt

@@ -186,16 +186,20 @@ abstract class BaseReadAloudService : BaseService(),
                 }
             }
             nowSpeak = textChapter.getParagraphNum(readAloudNumber + 1, readAloudByPage) - 1
-            if (!readAloudByPage && pos == 0) {
+            if (!readAloudByPage && startPos == 0 && !toLast) {
                 pos = page.lines.first().chapterPosition -
                         textChapter.paragraphs[nowSpeak].chapterPosition
             }
-            paragraphStartPos = pos
             if (toLast) {
                 toLast = false
                 readAloudNumber = textChapter.getLastParagraphPosition()
                 nowSpeak = contentList.lastIndex
+                if (page.paragraphs.size == 1) {
+                    pos = page.lines.first().chapterPosition -
+                            textChapter.paragraphs[nowSpeak].chapterPosition
+                }
             }
+            paragraphStartPos = pos
             launch(Main) {
                 if (play) play() else pageChanged = true
             }

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

@@ -1135,10 +1135,24 @@ class ReadBookActivity : BaseReadBookActivity(),
         when {
             !BaseReadAloudService.isRun -> {
                 ReadAloud.upReadAloudClass()
-                ReadBook.readAloud()
+                val scrollPageAnim = ReadBook.pageAnim() == 3
+                if (scrollPageAnim) {
+                    val startPos = binding.readView.getCurPagePosition()
+                    ReadBook.readAloud(startPos = startPos)
+                } else {
+                    ReadBook.readAloud()
+                }
             }
 
-            BaseReadAloudService.pause -> ReadAloud.resume(this)
+            BaseReadAloudService.pause -> {
+                val scrollPageAnim = ReadBook.pageAnim() == 3
+                if (scrollPageAnim) {
+                    val startPos = binding.readView.getCurPagePosition()
+                    ReadAloud.play(this, startPos = startPos)
+                } else {
+                    ReadAloud.resume(this)
+                }
+            }
             else -> ReadAloud.pause(this)
         }
     }

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

@@ -519,6 +519,29 @@ class ContentTextView(context: Context, attrs: AttributeSet?) : View(context, at
         return visiblePage
     }
 
+    fun getCurVisibleFirstLine(): TextLine? {
+        var relativeOffset: Float
+        for (relativePos in 0..2) {
+            relativeOffset = relativeOffset(relativePos)
+            if (relativePos > 0) {
+                //滚动翻页
+                if (!callBack.isScroll) break
+                if (relativeOffset >= ChapterProvider.visibleHeight) break
+            }
+            val textPage = relativePage(relativePos)
+            for (textLine in textPage.lines) {
+                if (textLine.isVisible(relativeOffset)) {
+                    val visibleLine = textLine.copy().apply {
+                        lineTop += relativeOffset
+                        lineBottom += relativeOffset
+                    }
+                    return visibleLine
+                }
+            }
+        }
+        return null
+    }
+
     /**
      * 选择开始文字
      */

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

@@ -14,6 +14,7 @@ import io.legado.app.help.config.ReadBookConfig
 import io.legado.app.help.config.ReadTipConfig
 import io.legado.app.model.ReadBook
 import io.legado.app.ui.book.read.ReadBookActivity
+import io.legado.app.ui.book.read.page.entities.TextLine
 import io.legado.app.ui.book.read.page.entities.TextPage
 import io.legado.app.ui.book.read.page.entities.TextPos
 import io.legado.app.ui.book.read.page.provider.ChapterProvider
@@ -352,6 +353,10 @@ class PageView(context: Context) : FrameLayout(context) {
         return binding.contentTextView.getCurVisiblePage()
     }
 
+    fun getCurVisibleFirstLine(): TextLine? {
+        return binding.contentTextView.getCurVisibleFirstLine()
+    }
+
     fun markAsMainView() {
         binding.contentTextView.isMainView = true
     }

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

@@ -626,6 +626,10 @@ class ReadView(context: Context, attrs: AttributeSet) :
         return curPage.getCurVisiblePage()
     }
 
+    fun getCurPagePosition(): Int {
+        return curPage.getCurVisibleFirstLine()?.pagePosition ?: 0
+    }
+
     override val currentChapter: TextChapter?
         get() {
             return if (callBack.isInitFinish) ReadBook.textChapter(0) else null