优化

app/src/main/java/io/legado/app/base/BaseActivity.kt

@@ -41,6 +41,7 @@ abstract class BaseActivity<VB : ViewBinding>(
     protected abstract val binding: VB
 
     val isInMultiWindow: Boolean
+        @SuppressLint("ObsoleteSdkInt")
         get() {
             return if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
                 isInMultiWindowMode

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

@@ -415,7 +415,10 @@ class ReadView(context: Context, attrs: AttributeSet) :
      */
     private fun click(action: Int) {
         when (action) {
-            0 -> callBack.showActionMenu()
+            0 -> {
+                pageDelegate?.dismissSnackBar()
+                callBack.showActionMenu()
+            }
             1 -> pageDelegate?.nextPageByAnim(defaultAnimationSpeed)
             2 -> pageDelegate?.prevPageByAnim(defaultAnimationSpeed)
             3 -> ReadBook.moveToNextChapter(true)

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

@@ -26,12 +26,14 @@ abstract class HorizontalPageDelegate(readView: ReadView) : PageDelegate(readVie
                 curBitmap?.recycle()
                 curBitmap = curPage.screenshot()
             }
+
             PageDirection.NEXT -> {
                 nextBitmap?.recycle()
                 nextBitmap = nextPage.screenshot()
                 curBitmap?.recycle()
                 curBitmap = curPage.screenshot()
             }
+
             else -> Unit
         }
     }
@@ -41,9 +43,11 @@ abstract class HorizontalPageDelegate(readView: ReadView) : PageDelegate(readVie
             MotionEvent.ACTION_DOWN -> {
                 abortAnim()
             }
+
             MotionEvent.ACTION_MOVE -> {
                 onScroll(event)
             }
+
             MotionEvent.ACTION_CANCEL, MotionEvent.ACTION_UP -> {
                 onAnimStart(readView.defaultAnimationSpeed)
             }
@@ -120,7 +124,7 @@ abstract class HorizontalPageDelegate(readView: ReadView) : PageDelegate(readVie
         if (!hasNext()) return
         setDirection(PageDirection.NEXT)
         val y = when {
-            viewHeight / 2 < startY -> viewHeight.toFloat() * 0.9f
+            startY > viewHeight / 2 -> viewHeight.toFloat() * 0.9f
             else -> 1f
         }
         readView.setStartPoint(viewWidth.toFloat() * 0.9f, y, false)

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

@@ -141,11 +141,6 @@ abstract class PageDelegate(protected val readView: ReadView) {
      * 按下
      */
     fun onDown() {
-        // 判断snackBar是否显示，并关闭
-        if (snackBar.isShown) {
-            snackBar.dismiss()
-        }
-
         //是否移动
         isMoved = false
         //是否存在下一章
@@ -187,6 +182,13 @@ abstract class PageDelegate(protected val readView: ReadView) {
         return hasNext
     }
 
+    fun dismissSnackBar() {
+        // 判断snackBar是否显示，并关闭
+        if (snackBar.isShown) {
+            snackBar.dismiss()
+        }
+    }
+
     open fun onDestroy() {
         // run on destroy
     }