up

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

@@ -40,7 +40,6 @@ import io.legado.app.ui.widget.page.TextChapter
 import io.legado.app.ui.widget.page.delegate.PageDelegate
 import io.legado.app.utils.*
 import kotlinx.android.synthetic.main.activity_book_read.*
-import kotlinx.android.synthetic.main.view_book_page.*
 import kotlinx.android.synthetic.main.view_read_menu.*
 import kotlinx.android.synthetic.main.view_title_bar.*
 import kotlinx.coroutines.Dispatchers.IO
@@ -272,7 +271,7 @@ class ReadBookActivity : VMBaseActivity<ReadBookViewModel>(R.layout.activity_boo
         when (bookChapter.index) {
             viewModel.durChapterIndex -> launch {
                 viewModel.curTextChapter = ChapterProvider
-                    .getTextChapter(content_text_view, bookChapter, content, viewModel.chapterSize)
+                    .getTextChapter(bookChapter, content, viewModel.chapterSize)
                 page_view.upContent()
                 curChapterChanged()
                 if (intent.getBooleanExtra("readAloud", false)) {
@@ -282,12 +281,12 @@ class ReadBookActivity : VMBaseActivity<ReadBookViewModel>(R.layout.activity_boo
             }
             viewModel.durChapterIndex - 1 -> launch {
                 viewModel.prevTextChapter = ChapterProvider
-                    .getTextChapter(content_text_view, bookChapter, content, viewModel.chapterSize)
+                    .getTextChapter(bookChapter, content, viewModel.chapterSize)
                 page_view.upContent(-1)
             }
             viewModel.durChapterIndex + 1 -> launch {
                 viewModel.nextTextChapter = ChapterProvider
-                    .getTextChapter(content_text_view, bookChapter, content, viewModel.chapterSize)
+                    .getTextChapter(bookChapter, content, viewModel.chapterSize)
                 page_view.upContent(1)
             }
         }
@@ -560,7 +559,6 @@ class ReadBookActivity : VMBaseActivity<ReadBookViewModel>(R.layout.activity_boo
         observeEvent<Boolean>(Bus.UP_CONFIG) {
             upSystemUiVisibility()
             page_view.upBg()
-            content_view.upStyle()
             page_view.upStyle()
             if (it) {
                 loadContent()

app/src/main/java/io/legado/app/ui/main/MainActivity.kt

@@ -97,6 +97,9 @@ class MainActivity : VMBaseActivity<MainViewModel>(R.layout.activity_main),
         observeEvent<String>(Bus.RECREATE) {
             recreate()
         }
+        observeEvent<Boolean>(Bus.UP_CONFIG) {
+            content_view.upStyle()
+        }
     }
 
     private class TabFragmentPageAdapter internal constructor(fm: FragmentManager) :

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

@@ -13,10 +13,13 @@ object ChapterProvider {
     var readAloudSpan = ForegroundColorSpan(App.INSTANCE.accentColor)
     private val titleSpan = RelativeSizeSpan(1.2f)
 
+    var textView: ContentTextView? = null
+
     fun getTextChapter(
-        textView: ContentTextView, bookChapter: BookChapter,
+        bookChapter: BookChapter,
         content: String, chapterSize: Int
     ): TextChapter {
+        textView?.let {
             val textPages = arrayListOf<TextPage>()
             val pageLines = arrayListOf<Int>()
             val pageLengths = arrayListOf<Int>()
@@ -35,9 +38,9 @@ object ChapterProvider {
                         )
                     }
                 }
-            textView.text = spannableStringBuilder
+                it.text = spannableStringBuilder
-            val lastLine = textView.getLineNum()
+                val lastLine = it.getLineNum()
-            val lastCharNum = textView.getCharNum(lastLine)
+                val lastCharNum = it.getCharNum(lastLine)
                 if (lastCharNum == 0) {
                     break
                 } else {
@@ -71,6 +74,16 @@ object ChapterProvider {
                 pageLengths,
                 chapterSize
             )
+        } ?: return TextChapter(
+            bookChapter.index,
+            bookChapter.title,
+            bookChapter.url,
+            arrayListOf(),
+            arrayListOf(),
+            arrayListOf(),
+            chapterSize
+        )
+
     }
 
     fun upReadAloudSpan() {

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

@@ -4,18 +4,11 @@
     android:layout_height="match_parent"
     android:orientation="vertical">
 
-    <io.legado.app.ui.widget.page.ContentView
-        android:id="@+id/content_view"
-        android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:visibility="invisible" />
-
     <io.legado.app.ui.widget.page.PageView
         android:id="@+id/page_view"
         android:layout_width="match_parent"
         android:layout_height="match_parent" />
 
-
     <io.legado.app.ui.book.read.ReadMenu
         android:id="@+id/read_menu"
             android:layout_width="match_parent"

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

@@ -4,6 +4,12 @@
     android:layout_width="match_parent"
     android:layout_height="match_parent">
 
+    <io.legado.app.ui.widget.page.ContentView
+        android:id="@+id/content_view"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:visibility="invisible" />
+
     <com.google.android.material.bottomnavigation.BottomNavigationView
         android:id="@+id/bottom_navigation_view"
         android:paddingLeft="5dp"