up

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

@@ -328,6 +328,7 @@ class ReadBookActivity : VMBaseActivity<ReadBookViewModel>(R.layout.activity_rea
         observeEvent<Int>(Bus.TTS_RANGE_START) {}
         observeEvent<String>(Bus.TIME_CHANGED) { page_view.upTime() }
         observeEvent<Int>(Bus.BATTERY_CHANGED) { page_view.upBattery(it) }
+        observeEvent<BookChapter>(Bus.OPEN_CHAPTER) { viewModel.openChapter(it) }
         observeEventSticky<String>(Bus.READ_ALOUD) { onClickReadAloud() }
         observeEventSticky<Int>(Bus.UP_CONFIG) {
             when (it) {

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

@@ -169,6 +169,23 @@ class ReadBookViewModel(application: Application) : BaseViewModel(application) {
 
     }
 
+    fun openChapter(chapter: BookChapter) {
+        if (chapter.index != durChapterIndex) {
+            durChapterIndex = chapter.index
+            durPageIndex = 0
+        }
+        callBack?.bookLoadFinish()
+    }
+
+    fun saveRead() {
+        execute {
+            bookData.value?.let { book ->
+                book.durChapterIndex = durChapterIndex
+                book.durChapterPos = durPageIndex
+            }
+        }
+    }
+
     override fun onCleared() {
         super.onCleared()
         ReadAloudService.stop(context)