up

app/src/main/java/io/legado/app/ui/readbook/ReadBookActivity.kt

@@ -273,6 +273,13 @@ class ReadBookActivity : VMBaseActivity<ReadBookViewModel>(R.layout.activity_rea
         return viewModel.durChapterIndex
     }
 
+    override fun durChapterPos(pageSize: Int): Int {
+        if (viewModel.durPageIndex < pageSize) {
+            return viewModel.durPageIndex
+        }
+        return pageSize - 1
+    }
+
     override fun textChapter(chapterOnDur: Int): TextChapter? {
         return when (chapterOnDur) {
             0 -> viewModel.curTextChapter

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

@@ -17,9 +17,9 @@ class PageView(context: Context, attrs: AttributeSet) : FrameLayout(context, att
     var callBack: CallBack? = null
     private var pageDelegate: PageDelegate? = null
 
-    private var prevPage: ContentView? = null
-    private var curPage: ContentView? = null
-    private var nextPage: ContentView? = null
+    var prevPage: ContentView? = null
+    var curPage: ContentView? = null
+    var nextPage: ContentView? = null
 
     init {
         prevPage = ContentView(context)
@@ -59,9 +59,29 @@ class PageView(context: Context, attrs: AttributeSet) : FrameLayout(context, att
         return pageDelegate?.onTouch(event) ?: super.onTouchEvent(event)
     }
 
-    fun chapterLoadFinish() {
-        callBack?.textChapter()?.let {
-            curPage?.setContent(it.page(0)?.stringBuilder)
+    fun chapterLoadFinish(chapterOnDur: Int = 0) {
+        callBack?.let { cb ->
+            when (chapterOnDur) {
+                0 -> {
+                    cb.textChapter()?.let {
+                        curPage?.setContent(it.page(cb.durChapterPos(it.pageSize()))?.text)
+                        if (cb.durChapterPos(it.pageSize()) > 0) {
+                            prevPage?.setContent(it.page(cb.durChapterPos(it.pageSize()) - 1)?.text)
+                        }
+                        if (cb.durChapterPos(it.pageSize()) < it.pageSize() - 1) {
+                            nextPage?.setContent(it.page(cb.durChapterPos(it.pageSize()) + 1)?.text)
+                        }
+                    }
+                }
+                1 -> {
+
+                }
+                -1 -> {
+
+                }
+                else -> {
+                }
+            }
         }
     }
 
@@ -85,6 +105,7 @@ class PageView(context: Context, attrs: AttributeSet) : FrameLayout(context, att
 
     interface CallBack {
         fun durChapterIndex(): Int
+        fun durChapterPos(pageSize: Int): Int
         fun textChapter(chapterOnDur: Int = 0): TextChapter?
     }
 }

app/src/main/java/io/legado/app/ui/widget/page/TextPage.kt

@@ -1,8 +1,6 @@
 package io.legado.app.ui.widget.page
 
-import android.text.SpannableStringBuilder
-
 data class TextPage(
     val index: Int,
-    val stringBuilder: SpannableStringBuilder
+    val text: CharSequence
 )

app/src/main/java/io/legado/app/ui/widget/page/TextPageFactory.kt

@@ -1,7 +1,5 @@
 package io.legado.app.ui.widget.page
 
-import android.text.SpannableStringBuilder
-
 class TextPageFactory private constructor(dataSource: DataSource) : PageFactory<TextPage>(dataSource) {
 
     companion object{
@@ -25,11 +23,11 @@ class TextPageFactory private constructor(dataSource: DataSource) : PageFactory<
     }
 
     override fun nextPage(): TextPage {
-        return TextPage(index.plus(1), SpannableStringBuilder("index：$index"))
+        return TextPage(index.plus(1), "index：$index")
     }
 
     override fun previousPage(): TextPage {
-        return TextPage(index.minus(1), SpannableStringBuilder("index：$index"))
+        return TextPage(index.minus(1), "index：$index")
     }
 
 

app/src/main/java/io/legado/app/ui/widget/page/delegate/PageDelegate.kt

@@ -198,8 +198,8 @@ abstract class PageDelegate(private val pageView: PageView) {
         override fun onScroll(e1: MotionEvent, e2: MotionEvent, distanceX: Float, distanceY: Float): Boolean {
             if (!isMoved && abs(distanceX) > abs(distanceY)) {
                 //上一页或下一页截图，还未处理
-                bitmap = pageView.screenshot()
                 if (distanceX < 0) {
+                    bitmap = pageView.prevPage?.screenshot()
                     //上一页的参数配置
                     direction = Direction.PREV
                     //判断是否上一页存在
@@ -210,6 +210,7 @@ abstract class PageDelegate(private val pageView: PageView) {
                         return true
                     }
                 } else {
+                    bitmap = pageView.nextPage?.screenshot()
                     //进行下一页的配置
                     direction = Direction.NEXT
                     //判断是否下一页存在

app/src/main/res/layout/view_book_page.xml

@@ -1,18 +1,18 @@
 <?xml version="1.0" encoding="utf-8"?>
-<androidx.appcompat.widget.LinearLayoutCompat
-        xmlns:android="http://schemas.android.com/apk/res/android"
+<androidx.appcompat.widget.LinearLayoutCompat xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:id="@+id/page_panel"
-        android:orientation="vertical"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-        app:showDividers="middle"
-        app:divider="@drawable/ic_divider">
+    android:background="@color/background"
+    android:orientation="vertical"
+    app:divider="@drawable/ic_divider"
+    app:showDividers="middle">
 
     <View
         android:id="@+id/top_status_bar"
         android:layout_width="match_parent"
-            android:layout_height="25dp"/>
+        android:layout_height="25dp" />
 
     <FrameLayout
         android:id="@+id/content_panel"
@@ -30,6 +30,6 @@
     <View
         android:id="@+id/bottom_status_bar"
         android:layout_width="match_parent"
-            android:layout_height="25dp"/>
+        android:layout_height="25dp" />
 
 </androidx.appcompat.widget.LinearLayoutCompat>