diff --git a/app/src/main/java/io/legado/app/ui/widget/ArcView.kt b/app/src/main/java/io/legado/app/ui/widget/ArcView.kt
index 6338c6638..b92d552af 100644
--- a/app/src/main/java/io/legado/app/ui/widget/ArcView.kt
+++ b/app/src/main/java/io/legado/app/ui/widget/ArcView.kt
@@ -8,9 +8,8 @@ import io.legado.app.R
 
 class ArcView @JvmOverloads constructor(
     context: Context,
-    attrs: AttributeSet? = null,
-    defStyleAttr: Int = 0
-) : View(context, attrs, defStyleAttr) {
+    attrs: AttributeSet? = null
+) : View(context, attrs) {
     private var mWidth = 0
     private var mHeight = 0
 
diff --git a/app/src/main/java/io/legado/app/ui/widget/SearchView.kt b/app/src/main/java/io/legado/app/ui/widget/SearchView.kt
index 82d24c671..975fe9d57 100644
--- a/app/src/main/java/io/legado/app/ui/widget/SearchView.kt
+++ b/app/src/main/java/io/legado/app/ui/widget/SearchView.kt
@@ -18,9 +18,8 @@ import io.legado.app.R
 
 class SearchView @JvmOverloads constructor(
     context: Context,
-    attrs: AttributeSet? = null,
-    defStyleAttr: Int = 0
-) : SearchView(context, attrs, defStyleAttr) {
+    attrs: AttributeSet? = null
+) : SearchView(context, attrs) {
     private var mSearchHintIcon: Drawable? = null
     private var textView: TextView? = null
 
diff --git a/app/src/main/java/io/legado/app/ui/widget/anima/RefreshProgressBar.kt b/app/src/main/java/io/legado/app/ui/widget/anima/RefreshProgressBar.kt
index 1791b3be7..3a0af5b03 100644
--- a/app/src/main/java/io/legado/app/ui/widget/anima/RefreshProgressBar.kt
+++ b/app/src/main/java/io/legado/app/ui/widget/anima/RefreshProgressBar.kt
@@ -14,9 +14,8 @@ import io.legado.app.R
 @Suppress("unused", "MemberVisibilityCanBePrivate")
 class RefreshProgressBar @JvmOverloads constructor(
     context: Context,
-    attrs: AttributeSet? = null,
-    defStyleAttr: Int = 0
-) : View(context, attrs, defStyleAttr) {
+    attrs: AttributeSet? = null
+) : View(context, attrs) {
     private var a = 1
     private var durProgress = 0
     private var secondDurProgress = 0
diff --git a/app/src/main/java/io/legado/app/ui/widget/anima/RotateLoading.kt b/app/src/main/java/io/legado/app/ui/widget/anima/RotateLoading.kt
index e587da788..634f9689e 100644
--- a/app/src/main/java/io/legado/app/ui/widget/anima/RotateLoading.kt
+++ b/app/src/main/java/io/legado/app/ui/widget/anima/RotateLoading.kt
@@ -20,9 +20,8 @@ import io.legado.app.utils.dp
 @Suppress("MemberVisibilityCanBePrivate")
 class RotateLoading @JvmOverloads constructor(
     context: Context,
-    attrs: AttributeSet? = null,
-    defStyleAttr: Int = 0
-) : View(context, attrs, defStyleAttr) {
+    attrs: AttributeSet? = null
+) : View(context, attrs) {
 
     private var mPaint: Paint
 
diff --git a/app/src/main/java/io/legado/app/ui/widget/image/CoverImageView.kt b/app/src/main/java/io/legado/app/ui/widget/image/CoverImageView.kt
index 5a85a0573..d09eae0dd 100644
--- a/app/src/main/java/io/legado/app/ui/widget/image/CoverImageView.kt
+++ b/app/src/main/java/io/legado/app/ui/widget/image/CoverImageView.kt
@@ -22,12 +22,10 @@ import io.legado.app.utils.getPrefString
 @Suppress("unused")
 class CoverImageView @JvmOverloads constructor(
     context: Context,
-    attrs: AttributeSet? = null,
-    defStyleAttr: Int = 0
+    attrs: AttributeSet? = null
 ) : androidx.appcompat.widget.AppCompatImageView(
     context,
-    attrs,
-    defStyleAttr
+    attrs
 ) {
     internal var width: Float = 0.toFloat()
     internal var height: Float = 0.toFloat()
diff --git a/app/src/main/java/io/legado/app/ui/widget/image/FilletImageView.kt b/app/src/main/java/io/legado/app/ui/widget/image/FilletImageView.kt
index 57428fe47..eefcdafc8 100644
--- a/app/src/main/java/io/legado/app/ui/widget/image/FilletImageView.kt
+++ b/app/src/main/java/io/legado/app/ui/widget/image/FilletImageView.kt
@@ -12,9 +12,8 @@ import kotlin.math.max
 
 class FilletImageView @JvmOverloads constructor(
     context: Context,
-    attrs: AttributeSet? = null,
-    defStyleAttr: Int = 0
-) : AppCompatImageView(context, attrs, defStyleAttr) {
+    attrs: AttributeSet? = null
+) : AppCompatImageView(context, attrs) {
     internal var width: Float = 0.toFloat()
     internal var height: Float = 0.toFloat()
     private var leftTopRadius: Int = 0
diff --git a/app/src/main/java/io/legado/app/ui/widget/image/PhotoView.kt b/app/src/main/java/io/legado/app/ui/widget/image/PhotoView.kt
index 08cc63e3a..5d80f087e 100644
--- a/app/src/main/java/io/legado/app/ui/widget/image/PhotoView.kt
+++ b/app/src/main/java/io/legado/app/ui/widget/image/PhotoView.kt
@@ -27,9 +27,8 @@ import kotlin.math.roundToInt
 @Suppress("UNUSED_PARAMETER", "unused", "MemberVisibilityCanBePrivate", "PropertyName")
 class PhotoView @JvmOverloads constructor(
     context: Context,
-    attrs: AttributeSet? = null,
-    defStyleAttr: Int = 0
-) : AppCompatImageView(context, attrs, defStyleAttr) {
+    attrs: AttributeSet? = null
+) : AppCompatImageView(context, attrs) {
     val MIN_ROTATE = 35
     val ANIMA_DURING = 340
     val MAX_SCALE = 2.5f
diff --git a/app/src/main/java/io/legado/app/ui/widget/recycler/LoadMoreView.kt b/app/src/main/java/io/legado/app/ui/widget/recycler/LoadMoreView.kt
index 57df4f6e0..ed62431e1 100644
--- a/app/src/main/java/io/legado/app/ui/widget/recycler/LoadMoreView.kt
+++ b/app/src/main/java/io/legado/app/ui/widget/recycler/LoadMoreView.kt
@@ -1,6 +1,7 @@
 package io.legado.app.ui.widget.recycler
 
 import android.content.Context
+import android.util.AttributeSet
 import android.view.View
 import android.view.ViewGroup
 import android.widget.FrameLayout
@@ -10,7 +11,7 @@ import io.legado.app.utils.visible
 import kotlinx.android.synthetic.main.view_load_more.view.*
 
 @Suppress("unused")
-class LoadMoreView(context: Context) : FrameLayout(context) {
+class LoadMoreView(context: Context, attrs: AttributeSet? = null) : FrameLayout(context, attrs) {
 
     var hasMore = true
         private set
diff --git a/app/src/main/java/io/legado/app/ui/widget/seekbar/VerticalSeekBarWrapper.kt b/app/src/main/java/io/legado/app/ui/widget/seekbar/VerticalSeekBarWrapper.kt
index da69c33ab..683953f1a 100644
--- a/app/src/main/java/io/legado/app/ui/widget/seekbar/VerticalSeekBarWrapper.kt
+++ b/app/src/main/java/io/legado/app/ui/widget/seekbar/VerticalSeekBarWrapper.kt
@@ -13,9 +13,8 @@ import kotlin.math.max
 
 class VerticalSeekBarWrapper @JvmOverloads constructor(
     context: Context,
-    attrs: AttributeSet? = null,
-    defStyleAttr: Int = 0
-) : FrameLayout(context, attrs, defStyleAttr) {
+    attrs: AttributeSet? = null
+) : FrameLayout(context, attrs) {
 
     private val childSeekBar: VerticalSeekBar?
         get() {
diff --git a/app/src/main/java/io/legado/app/ui/widget/text/BadgeView.kt b/app/src/main/java/io/legado/app/ui/widget/text/BadgeView.kt
index c24e13e87..353fa9de4 100644
--- a/app/src/main/java/io/legado/app/ui/widget/text/BadgeView.kt
+++ b/app/src/main/java/io/legado/app/ui/widget/text/BadgeView.kt
@@ -24,11 +24,11 @@ import io.legado.app.utils.visible
 /**
  * Created by milad heydari on 5/6/2016.
  */
+@Suppress("MemberVisibilityCanBePrivate", "unused")
 class BadgeView @JvmOverloads constructor(
     context: Context,
-    attrs: AttributeSet? = null,
-    defStyle: Int = android.R.attr.textViewStyle
-) : AppCompatTextView(context, attrs, defStyle) {
+    attrs: AttributeSet? = null
+) : AppCompatTextView(context, attrs) {
 
     var isHideOnNull = true
         set(hideOnNull) {
diff --git a/app/src/main/java/io/legado/app/ui/widget/text/InertiaScrollTextView.kt b/app/src/main/java/io/legado/app/ui/widget/text/InertiaScrollTextView.kt
index 051d5af4e..9644b8676 100644
--- a/app/src/main/java/io/legado/app/ui/widget/text/InertiaScrollTextView.kt
+++ b/app/src/main/java/io/legado/app/ui/widget/text/InertiaScrollTextView.kt
@@ -15,14 +15,11 @@ import kotlin.math.max
 import kotlin.math.min
 
 
-open class InertiaScrollTextView : AppCompatTextView {
-    constructor(context: Context) : super(context)
-
-    constructor(context: Context, attrs: AttributeSet?) : super(context, attrs)
-
-    constructor(context: Context, attrs: AttributeSet?, defStyleAttr: Int)
-            : super(context, attrs, defStyleAttr)
-
+@Suppress("unused")
+open class InertiaScrollTextView @JvmOverloads constructor(
+    context: Context,
+    attrs: AttributeSet? = null
+) : AppCompatTextView(context, attrs) {
 
     private val scrollStateIdle = 0
     private val scrollStateDragging = 1
@@ -218,7 +215,7 @@ open class InertiaScrollTextView : AppCompatTextView {
             }
         }
 
-        internal fun postOnAnimation() {
+        fun postOnAnimation() {
             if (mEatRunOnAnimationRequest) {
                 mReSchedulePostAnimationCallback = true
             } else {