优化

app/src/main/java/io/legado/app/ui/widget/image/ArcView.kt

@@ -1,4 +1,4 @@
-package io.legado.app.ui.widget
+package io.legado.app.ui.widget.image
 
 import android.content.Context
 import android.graphics.*
@@ -6,6 +6,9 @@ import android.util.AttributeSet
 import android.view.View
 import io.legado.app.R
 
+/**
+ * 弧形View
+ */
 class ArcView @JvmOverloads constructor(
     context: Context,
     attrs: AttributeSet? = null
@@ -18,7 +21,9 @@ class ArcView @JvmOverloads constructor(
 
     //背景颜色
     private var mBgColor: Int
-    private val mPaint: Paint = Paint()
+    private val mPaint: Paint = Paint().apply {
+        isAntiAlias = true
+    }
     private val mDirectionTop: Boolean
     val rect = Rect()
     val path = Path()

app/src/main/res/layout-land/activity_book_info.xml

@@ -44,7 +44,7 @@
                 android:layout_height="wrap_content"
                 android:layout_marginTop="68dp">
 
-                <io.legado.app.ui.widget.ArcView
+                <io.legado.app.ui.widget.image.ArcView
                     android:id="@+id/arc_view"
                     android:layout_width="match_parent"
                     android:layout_height="78dp"

app/src/main/res/layout/activity_book_info.xml

@@ -34,7 +34,7 @@
             android:layout_height="wrap_content"
             android:layout_marginTop="8dp">
 
-            <io.legado.app.ui.widget.ArcView
+            <io.legado.app.ui.widget.image.ArcView
                 android:id="@+id/arc_view"
                 android:layout_marginTop="90dp"
                 android:layout_width="match_parent"