优化

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

@@ -28,12 +28,12 @@ import splitties.init.appCtx
 @Suppress("MemberVisibilityCanBePrivate")
 object ReadBook : CoroutineScope by MainScope() {
     var book: Book? = null
+    var callBack: CallBack? = null
     var inBookshelf = false
     var chapterSize = 0
     var durChapterIndex = 0
     var durChapterPos = 0
     var isLocalBook = true
-    var callBack: CallBack? = null
     var prevTextChapter: TextChapter? = null
     var curTextChapter: TextChapter? = null
     var nextTextChapter: TextChapter? = null

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

@@ -243,7 +243,9 @@ class ReadMenu @JvmOverloads constructor(
         menuTopIn.setAnimationListener(object : Animation.AnimationListener {
             override fun onAnimationStart(animation: Animation) {
                 binding.tvLogin.isGone = ReadBook.bookSource?.loginUrl.isNullOrEmpty()
-                binding.tvPay.isGone = true
+                binding.tvPay.isGone = ReadBook.bookSource?.loginUrl.isNullOrEmpty()
+                        || ReadBook.curTextChapter?.isVip != true
+                        || ReadBook.curTextChapter?.isPay == true
                 callBack.upSystemUiVisibility()
                 binding.llBrightness.visible(showBrightnessView)
             }

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

@@ -7,7 +7,9 @@ data class TextChapter(
     val title: String,
     val url: String,
     val pages: List<TextPage>,
-    val chaptersSize: Int
+    val chaptersSize: Int,
+    val isVip: Boolean,
+    val isPay: Boolean,
 ) {
 
     fun page(index: Int): TextPage? {

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

@@ -164,7 +164,8 @@ object ChapterProvider {
         return TextChapter(
             bookChapter.index, displayTitle,
             bookChapter.getAbsoluteURL().substringBefore(",{"), //getAbsoluteURL已经格式过
-            textPages, chapterSize
+            textPages, chapterSize,
+            bookChapter.isVip, bookChapter.isPay
         )
     }