Use BindableItem in PickerIconItem.

app/src/main/java/org/schabi/newpipe/local/subscription/item/PickerIconItem.kt

@@ -1,20 +1,25 @@
 package org.schabi.newpipe.local.subscription.item
 
 import android.content.Context
+import android.view.View
 import androidx.annotation.DrawableRes
-import com.xwray.groupie.kotlinandroidextensions.GroupieViewHolder
-import com.xwray.groupie.kotlinandroidextensions.Item
-import kotlinx.android.synthetic.main.picker_icon_item.icon_view
+import com.xwray.groupie.viewbinding.BindableItem
 import org.schabi.newpipe.R
+import org.schabi.newpipe.databinding.PickerIconItemBinding
 import org.schabi.newpipe.local.subscription.FeedGroupIcon
 
-class PickerIconItem(context: Context, val icon: FeedGroupIcon) : Item() {
+class PickerIconItem(
+    context: Context,
+    val icon: FeedGroupIcon
+) : BindableItem<PickerIconItemBinding>() {
     @DrawableRes
     val iconRes: Int = icon.getDrawableRes(context)
 
     override fun getLayout(): Int = R.layout.picker_icon_item
 
-    override fun bind(viewHolder: GroupieViewHolder, position: Int) {
-        viewHolder.icon_view.setImageResource(iconRes)
+    override fun bind(viewBinding: PickerIconItemBinding, position: Int) {
+        viewBinding.iconView.setImageResource(iconRes)
     }
+
+    override fun initializeViewBinding(view: View) = PickerIconItemBinding.bind(view)
 }