SmartNestedScrollView.kt

package com.danaimset.widget

import android.content.Context
import android.support.v4.widget.NestedScrollView
import android.support.v7.widget.RecyclerView
import android.util.AttributeSet
import android.view.View
import android.view.ViewGroup

open class SmartNestedScrollView(context: Context, attrs: AttributeSet?, defStyleAttr: Int) : NestedScrollView(context, attrs, defStyleAttr) {

    constructor(context: Context, attrs: AttributeSet?) : this(context, attrs, 0)

    constructor(context: Context) : this(context, null)

    override fun measureChildWithMargins(child: View?, parentWidthMeasureSpec: Int, widthUsed: Int, parentHeightMeasureSpec: Int, heightUsed: Int) {
        if (findNestedRecyclerView(child) != null) {
            val lp = child?.layoutParams as ViewGroup.MarginLayoutParams
            val childHeightMeasureSpec = View.MeasureSpec.makeMeasureSpec(
                    lp.topMargin + lp.bottomMargin, View.MeasureSpec.AT_MOST)
            child.measure(parentWidthMeasureSpec, childHeightMeasureSpec)
        } else {
            super.measureChildWithMargins(child, parentWidthMeasureSpec, widthUsed, parentHeightMeasureSpec, heightUsed)
        }
    }

    private fun findNestedRecyclerView(view: View?): RecyclerView? {
        when (view) {
            is RecyclerView -> return view
            is ViewGroup -> {
                var index = 0
                do {
                    val child = view.getChildAt(index)
                    val recyclerView = findNestedRecyclerView(child)
                    if (recyclerView == null) {
                        index += 1
                    } else {
                        return recyclerView
                    }
                } while (index < view.childCount)
            }
            else -> return null
        }
        return null
    }
}

<com.awantunai.app.custom.SmartNestedScrollView
android:layout_width="match_parent"
android:layout_height="0dp"
app:layout_constraintTop_toTopOf="@id/layoutSkuCategory"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintBottom_toBottomOf="parent"
>

<com.awantunai.app.component.HorizontalSkuList
android:id="@+id/horizontalSkuList"
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:layout_constraintTop_toBottomOf="@id/layoutSkuCategory"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintEnd_toEndOf="parent"
/>
<androidx.recyclerview.widget.RecyclerView
android:id="@+id/rvSku"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="@dimen/at_medium"
android:orientation="vertical"
android:scrollbars="none"
android:nestedScrollingEnabled="true"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@id/horizontalSkuList"
tools:listitem="@layout/item_cart_layout" />

</com.awantunai.app.custom.SmartNestedScrollView>

This is my layout, I still face the same problem of infinite loading