feat: 优化代码

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

@@ -2,6 +2,7 @@ package io.legado.app.ui.book.read.page.delegate
 
 import android.view.MotionEvent
 import android.view.VelocityTracker
+import io.legado.app.ui.book.read.page.ChapterProvider
 import io.legado.app.ui.book.read.page.PageView
 import kotlin.math.abs
 
@@ -60,10 +61,10 @@ class ScrollPageDelegate(pageView: PageView) : PageDelegate(pageView) {
     }
 
     override fun nextPageByAnim() {
-
+        startScroll(0, 0, 0, -ChapterProvider.visibleHeight)
     }
 
     override fun prevPageByAnim() {
-
+        startScroll(0, 0, 0, ChapterProvider.visibleHeight)
     }
 }