up

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

@@ -98,6 +98,11 @@ class ContentTextView : AppCompatTextView {
         mOffsetHeight = mLayoutHeight + totalPaddingTop + totalPaddingBottom - measuredHeight
     }
 
+    override fun scrollTo(x: Int, y: Int) {
+        setScrollState(scrollStateIdle)
+        super.scrollTo(x, min(y, mOffsetHeight))
+    }
+
     @SuppressLint("ClickableViewAccessibility")
     override fun onTouchEvent(event: MotionEvent?): Boolean {
         event?.let {

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

@@ -134,6 +134,15 @@ class ContentView : FrameLayout {
         }
     }
 
+    fun scrollToBottom() {
+        content_text_view.post {
+            content_text_view.scrollTo(
+                0,
+                content_text_view.layout.getLineTop(content_text_view.lineCount)
+            )
+        }
+    }
+
     interface CallBack {
         fun scrollToLine(line: Int)
     }

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

@@ -70,14 +70,17 @@ class PageView(context: Context, attrs: AttributeSet) :
             when (direction) {
                 PageDelegate.Direction.PREV -> {
                     it.moveToPrevious()
+                    upContent()
+                    curPage?.scrollToBottom()
                 }
                 PageDelegate.Direction.NEXT -> {
                     it.moveToNext()
+                    upContent()
+                    curPage?.scrollTo(0)
                 }
                 else -> return
             }
         }
-        upContent()
     }
 
     fun upPageAnim() {