优化

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

@@ -73,6 +73,7 @@ object ReadBook : CoroutineScope by MainScope() {
     }
 
     fun resetData(book: Book) {
+        ReadAloud.stop(appCtx)
         ReadBook.book = book
         readRecord.bookName = book.name
         readRecord.readTime = appDb.readRecordDao.getReadTime(book.name) ?: 0

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

@@ -396,14 +396,9 @@ class MainActivity : VMBaseActivity<ActivityMainBinding, MainViewModel>(),
     private inner class PageChangeCallback : ViewPager.SimpleOnPageChangeListener() {
 
         override fun onPageSelected(position: Int) {
-            val oldPosition = pagePosition
             pagePosition = position
             binding.bottomNavigationView.menu
                 .getItem(realPositions[position]).isChecked = true
-            val callback1 = fragmentMap[getFragmentId(position)] as? Callback
-            val callback2 = fragmentMap[getFragmentId(oldPosition)] as? Callback
-            callback1?.onActive()
-            callback2?.onInactive()
         }
 
     }
@@ -453,12 +448,4 @@ class MainActivity : VMBaseActivity<ActivityMainBinding, MainViewModel>(),
 
     }
 
-    interface Callback {
-
-        fun onActive()
-
-        fun onInactive()
-
-    }
-
 }

app/src/main/java/io/legado/app/ui/main/explore/ExploreFragment.kt

@@ -25,7 +25,6 @@ import io.legado.app.ui.book.explore.ExploreShowActivity
 import io.legado.app.ui.book.search.SearchActivity
 import io.legado.app.ui.book.search.SearchScope
 import io.legado.app.ui.book.source.edit.BookSourceEditActivity
-import io.legado.app.ui.main.MainActivity
 import io.legado.app.ui.main.MainFragmentInterface
 import io.legado.app.utils.applyTint
 import io.legado.app.utils.cnCompare
@@ -47,8 +46,7 @@ import kotlinx.coroutines.launch
  */
 class ExploreFragment() : VMBaseFragment<ExploreViewModel>(R.layout.fragment_explore),
     MainFragmentInterface,
-    ExploreAdapter.CallBack,
-    MainActivity.Callback {
+    ExploreAdapter.CallBack {
 
     constructor(position: Int) : this() {
         val bundle = Bundle()
@@ -69,7 +67,6 @@ class ExploreFragment() : VMBaseFragment<ExploreViewModel>(R.layout.fragment_exp
     private val groups = linkedSetOf<String>()
     private var exploreFlowJob: Job? = null
     private var groupsMenu: SubMenu? = null
-    private var isActive = false
     private var searchKey: String? = null
 
     override fun onFragmentCreated(view: View, savedInstanceState: Bundle?) {
@@ -234,19 +231,4 @@ class ExploreFragment() : VMBaseFragment<ExploreViewModel>(R.layout.fragment_exp
         }
     }
 
-    override fun onActive() {
-        isActive = true
-        upExploreData(searchKey)
-    }
-
-    override fun onInactive() {
-        isActive = false
-        exploreFlowJob?.cancel()
-    }
-
-    override fun onResume() {
-        super.onResume()
-        if (isActive) upExploreData(searchKey)
-    }
-
 }