优化

app/src/main/java/io/legado/app/ui/book/manga/ReadMangaActivity.kt

@@ -118,7 +118,11 @@ class ReadMangaActivity : VMBaseActivity<ActivityMangaBinding, ReadMangaViewMode
 
     private var justInitData: Boolean = false
     private var syncDialog: AlertDialog? = null
-    private lateinit var mScrollTimer: ScrollTimer
+    private val mScrollTimer by lazy {
+        ScrollTimer(lifecycleScope, this).apply {
+            setSpeed(AppConfig.mangaAutoPageSpeed)
+        }
+    }
     private var enableAutoPageScroll = false
     private var enableAutoScroll = false
     private val mLinearInterpolator by lazy {
@@ -180,10 +184,6 @@ class ReadMangaActivity : VMBaseActivity<ActivityMangaBinding, ReadMangaViewMode
         mMangaFooterConfig =
             GSON.fromJsonObject<MangaFooterConfig>(AppConfig.mangaFooterConfig).getOrNull()
                 ?: MangaFooterConfig()
-        mScrollTimer = ScrollTimer(this).apply {
-            setSpeed(AppConfig.mangaAutoPageSpeed)
-            callback = this@ReadMangaActivity
-        }
     }
 
     override fun observeLiveBus() {

app/src/main/java/io/legado/app/ui/book/manga/recyclerview/ScrollTimer.kt

@@ -1,21 +1,18 @@
 package io.legado.app.ui.book.manga.recyclerview
 
-import androidx.lifecycle.LifecycleOwner
+import kotlinx.coroutines.CoroutineScope
-import androidx.lifecycle.lifecycleScope
-import io.legado.app.model.ReadManga
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.isActive
 import kotlinx.coroutines.launch
 
 class ScrollTimer(
-    lifecycleOwner: LifecycleOwner,
+    private val coroutineScope: CoroutineScope,
+    private val callback: ScrollCallback
 ) {
-    private val coroutineScope = lifecycleOwner.lifecycleScope
     private var job: Job? = null
     private var delayMs: Long = 20L
     private var distance = 1
-    lateinit var callback: ScrollCallback
     var isEnabled: Boolean = false
         set(value) {
             if (field != value) {