feat: 优化代码

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

@@ -20,7 +20,6 @@ import androidx.recyclerview.widget.RecyclerView
 import io.legado.app.R
 import io.legado.app.base.adapter.ItemViewHolder
 import io.legado.app.base.adapter.SimpleRecyclerAdapter
-import io.legado.app.ui.widget.recycler.DividerNoLast
 import io.legado.app.utils.isAbsUrl
 import io.legado.app.utils.sendToClip
 import kotlinx.android.synthetic.main.item_fillet_text.view.*
@@ -46,7 +45,6 @@ class TextActionMenu(private val context: Context, private val callBack: CallBac
     private fun initRecyclerView() = with(contentView) {
         val adapter = Adapter(context)
         recycler_view.layoutManager = LinearLayoutManager(context, RecyclerView.HORIZONTAL, false)
-        recycler_view.addItemDecoration(DividerNoLast(context, DividerNoLast.HORIZONTAL))
         recycler_view.adapter = adapter
         val menu = MenuBuilder(context)
         SupportMenuInflater(context).inflate(R.menu.content_select_action, menu)

app/src/main/java/io/legado/app/ui/widget/recycler/DividerNoLast.kt

@@ -8,6 +8,8 @@ import android.util.Log
 import android.view.View
 import android.widget.LinearLayout
 import androidx.recyclerview.widget.RecyclerView
+import kotlin.math.roundToInt
+
 
 /**
  * 不画最后一条分隔线
@@ -106,7 +108,7 @@ class DividerNoLast(context: Context, orientation: Int) :
         for (i in 0 until childCount - 1) {
             val child = parent.getChildAt(i)
             parent.getDecoratedBoundsWithMargins(child, mBounds)
-            val bottom = mBounds.bottom + Math.round(child.translationY)
+            val bottom = mBounds.bottom + child.translationY.roundToInt()
             val top = bottom - mDivider!!.intrinsicHeight
             mDivider!!.setBounds(left, top, right, bottom)
             mDivider!!.draw(canvas)
@@ -133,7 +135,7 @@ class DividerNoLast(context: Context, orientation: Int) :
         for (i in 0 until childCount - 1) {
             val child = parent.getChildAt(i)
             parent.layoutManager!!.getDecoratedBoundsWithMargins(child, mBounds)
-            val right = mBounds.right + Math.round(child.translationX)
+            val right = mBounds.right + child.translationX.roundToInt()
             val left = right - mDivider!!.intrinsicWidth
             mDivider!!.setBounds(left, top, right, bottom)
             mDivider!!.draw(canvas)
@@ -149,10 +151,18 @@ class DividerNoLast(context: Context, orientation: Int) :
             outRect[0, 0, 0] = 0
             return
         }
+
         if (mOrientation == VERTICAL) {
             outRect[0, 0, 0] = mDivider!!.intrinsicHeight
         } else {
-            outRect[0, 0, mDivider!!.intrinsicWidth] = 0
+            val childAdapterPosition = parent.getChildAdapterPosition(view)
+            val lastCount = parent.adapter!!.itemCount - 1
+            //如果不是最后一条 正常赋值 如果是最后一条 赋值为0
+            if (childAdapterPosition != lastCount) {
+                outRect[0, 0, mDivider!!.intrinsicWidth] = 0
+            } else {
+                outRect[0, 0, 0] = 0
+            }
         }
     }