feat: 优化代码

app/src/main/java/io/legado/app/ui/widget/prefs/Preference.kt

@@ -1,7 +1,6 @@
 package io.legado.app.ui.widget.prefs
 
 import android.content.Context
-import android.graphics.drawable.ColorDrawable
 import android.graphics.drawable.Drawable
 import android.util.AttributeSet
 import android.view.LayoutInflater
@@ -12,10 +11,7 @@ import android.widget.TextView
 import androidx.core.view.isVisible
 import androidx.preference.PreferenceViewHolder
 import io.legado.app.R
-import io.legado.app.lib.theme.Selector
 import io.legado.app.lib.theme.accentColor
-import io.legado.app.lib.theme.backgroundColor
-import io.legado.app.utils.getCompatColor
 import org.jetbrains.anko.layoutInflater
 import kotlin.math.roundToInt
 
@@ -41,10 +37,6 @@ class Preference(context: Context, attrs: AttributeSet) :
             weightHeight: Int = 0
         ): T? {
             if (it == null) return null
-            it.itemView.background = Selector.drawableBuild()
-                .setDefaultDrawable(ColorDrawable(context.backgroundColor))
-                .setPressedDrawable(ColorDrawable(context.getCompatColor(R.color.btn_bg_press)))
-                .create()
             val view = it.findViewById(R.id.preference_title)
             if (view is TextView) {
                 view.text = title

app/src/main/res/drawable/bg_prefs_color.xml

@@ -1,10 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
-<ripple xmlns:android="http://schemas.android.com/apk/res/android"
-    android:color="@color/btn_bg_press">
-    <item>
-        <shape android:shape="rectangle">
-            <solid android:color="@color/background_prefs" />
-            <corners android:radius="0dp" />
-        </shape>
-    </item>
-</ripple>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:state_pressed="true" android:drawable="@color/btn_bg_press" />
+</selector>