修复正文内容TalkBack不对的bug

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

@@ -47,13 +47,11 @@ class ContentTextView(context: Context, attrs: AttributeSet?) : View(context, at
 
     init {
         callBack = activity as CallBack
-        contentDescription = textPage.text
     }
 
     fun setContent(pageData: PageData) {
         this.textChapter = pageData.textChapter
         this.textPage = pageData.textPage
-        contentDescription = textPage.text
         invalidate()
     }
 

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

@@ -226,6 +226,10 @@ class ContentView(context: Context) : FrameLayout(context) {
         content_text_view.setContent(pageData)
     }
 
+    fun setContentDescription(content: String) {
+        content_text_view.contentDescription = content
+    }
+
     fun resetPageOffset() {
         content_text_view.resetPageOffset()
     }

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

@@ -373,6 +373,7 @@ class PageView(context: Context, attrs: AttributeSet) :
     }
 
     override fun upContent(relativePosition: Int, resetPageOffset: Boolean) {
+        curPage.setContentDescription(pageFactory.curData.textPage.text)
         if (isScroll && !callBack.isAutoPage) {
             curPage.setContent(pageFactory.curData, resetPageOffset)
         } else {