优化

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

@@ -122,7 +122,6 @@ class CircleImageView @JvmOverloads constructor(
     var isInView = false
 
     init {
-        super.setScaleType(SCALE_TYPE)
         val a = context.obtainStyledAttributes(attrs, R.styleable.CircleImageView)
         mBorderWidth =
             a.getDimensionPixelSize(
@@ -160,16 +159,6 @@ class CircleImageView @JvmOverloads constructor(
         }
     }
 
-    override fun getScaleType(): ScaleType {
-        return SCALE_TYPE
-    }
-
-    override fun setScaleType(scaleType: ScaleType) {
-        if (scaleType != SCALE_TYPE) {
-            throw IllegalArgumentException(String.format("ScaleType %s not supported.", scaleType))
-        }
-    }
-
     override fun setAdjustViewBounds(adjustViewBounds: Boolean) {
         if (adjustViewBounds) {
             throw IllegalArgumentException("adjustViewBounds not supported.")
@@ -456,7 +445,6 @@ class CircleImageView @JvmOverloads constructor(
     }
 
     companion object {
-        private val SCALE_TYPE = ScaleType.CENTER_CROP
         private val BITMAP_CONFIG = Bitmap.Config.ARGB_8888
         private const val COLOR_DRAWABLE_DIMENSION = 2
         private const val DEFAULT_BORDER_WIDTH = 0

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

@@ -62,6 +62,7 @@
         android:id="@+id/iv_explore"
         android:layout_width="8dp"
         android:layout_height="8dp"
+        android:scaleType="centerCrop"
         android:contentDescription="@string/more_menu"
         android:src="@color/md_green_600"
         app:layout_constraintRight_toRightOf="parent"

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

@@ -6,6 +6,7 @@
     android:layout_height="48dp"
     android:layout_marginLeft="6dp"
     android:layout_marginRight="6dp"
+    android:scaleType="centerCrop"
     android:src="@drawable/image_cover_default"
     app:civ_border_color="@color/primaryText"
     app:civ_border_width="1dp"