关于折叠滑动吸顶tab置顶问题(recyclerView嵌套与C

使用CoordinatorLayout+AppBarLayout+CollapsingToolbarLayout+TabLayout可以实现tab滑动吸顶效果。
完整布局文件如下：RecyclerView也可以用NestedScrollView。

遇到问题：当RecyclerView中还嵌套了RecyclerView时，手指触摸嵌套内的RecyclerView会导致折叠失效。
解决方法：给嵌套内的RecyclerView设置rv.setNestedScrollingEnabled(false);

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="#FCEEDF"
    android:orientation="vertical"
    tools:context=".pwp.activity.PWPJxjyStudyActivity">

    <include layout="@layout/full_header_layout" />

    <androidx.coordinatorlayout.widget.CoordinatorLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_below="@+id/rl_nav_bar">

        <com.google.android.material.appbar.AppBarLayout
            android:id="@+id/appbarLayout"
            android:layout_width="match_parent"
            android:layout_height="wrap_content">

            <com.google.android.material.appbar.CollapsingToolbarLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                app:layout_scrollFlags="scroll|exitUntilCollapsed">

                <RelativeLayout
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content">

                    <ImageView
                        android:id="@+id/iv_top_bg"
                        android:layout_width="match_parent"
                        android:layout_height="wrap_content"
                        android:background="@mipmap/bg_pwp_jxjy" />

                    <RelativeLayout
                        android:id="@+id/rl_score_layout"
                        android:layout_width="match_parent"
                        android:layout_height="wrap_content"
                        android:layout_alignBottom="@id/iv_top_bg"
                        android:layout_marginStart="@dimen/common_32"
                        android:layout_marginEnd="@dimen/common_32"
                        android:background="@mipmap/pwp_jxjy_top_bg"
                        android:paddingTop="@dimen/common_20">

                        <TextView
                            android:id="@+id/tvMyScoreTitle"
                            android:layout_width="wrap_content"
                            android:layout_height="wrap_content"
                            android:layout_marginStart="@dimen/common_42"
                            android:layout_marginEnd="@dimen/common_32"
                            android:fontFamily="@font/medium"
                            android:text="@string/pwp_jxjy_my_total_score"
                            android:textColor="@color/pwp_jxjy_main_text_color"
                            android:textSize="@dimen/common_24" />

                        <TextView
                            android:id="@+id/tvDueDateTitle"
                            android:layout_width="wrap_content"
                            android:layout_height="wrap_content"
                            android:layout_toStartOf="@+id/tvDueDate"
                            android:fontFamily="@font/medium"
                            android:text="@string/pwp_jxjy_my_due_date"
                            android:textColor="@color/pwp_jxjy_main_text_color"
                            android:textSize="@dimen/common_20" />

                        <TextView
                            android:id="@+id/tvDueDate"
                            android:layout_width="wrap_content"
                            android:layout_height="wrap_content"
                            android:layout_alignParentRight="true"
                            android:layout_marginEnd="@dimen/common_32"
                            android:fontFamily="@font/medium"
                            android:text="--"
                            android:textColor="@color/pwp_jxjy_main_text_color"
                            android:textSize="@dimen/common_20" />

                        <TextView
                            android:id="@+id/tvScore"
                            android:layout_width="wrap_content"
                            android:layout_height="@dimen/common_110"
                            android:layout_below="@id/tvMyScoreTitle"
                            android:layout_marginStart="@dimen/common_42"
                            android:layout_marginEnd="@dimen/common_32"
                            android:fontFamily="@font/bold"
                            android:text="0"
                            android:textColor="@color/pwp_jxjy_main_text_color"
                            android:textSize="@dimen/common_90" />

                        <TextView
                            android:id="@+id/tvBuyAgain"
                            android:layout_width="wrap_content"
                            android:layout_height="wrap_content"
                            android:layout_below="@id/tvDueDateTitle"
                            android:layout_alignParentEnd="true"
                            android:layout_marginTop="@dimen/common_32"
                            android:layout_marginEnd="@dimen/common_12"
                            android:background="@drawable/shape_pwp_jxjy_buy_aggin"
                            android:elevation="@dimen/common_10"
                            android:fontFamily="@font/medium"
                            android:text="@string/pwp_jxjy_buy_again"
                            android:textColor="#FFFCDC"
                            android:textSize="@dimen/common_28" />

                        <androidx.constraintlayout.widget.ConstraintLayout
                            android:id="@+id/cl_progress"
                            android:layout_width="match_parent"
                            android:layout_height="wrap_content"
                            android:layout_below="@id/tvScore"
                            android:layout_marginTop="@dimen/common_18"
                            android:background="@drawable/bg_0_4c170f00_bottom12"
                            android:paddingStart="@dimen/common_32"
                            android:paddingTop="@dimen/common_15"
                            android:paddingEnd="@dimen/common_32"
                            android:paddingBottom="@dimen/common_15"
                            android:visibility="visible">

                            <TextView
                                android:id="@+id/tvGetDiff"
                                android:layout_width="wrap_content"
                                android:layout_height="wrap_content"
                                android:fontFamily="@font/medium"
                                android:text="距离获得证书延续资格分数还差 -- 分"
                                android:textColor="#FFFCDC"
                                android:textSize="@dimen/common_24"
                                app:layout_constraintLeft_toLeftOf="parent"
                                app:layout_constraintTop_toTopOf="parent" />

                            <ImageView
                                android:id="@+id/ivR"
                                android:layout_width="@dimen/common_32"
                                android:layout_height="@dimen/common_32"
                                android:src="@mipmap/pwp_jxjy_top_r"
                                app:layout_constraintRight_toRightOf="parent"
                                app:layout_constraintTop_toBottomOf="@id/tvGetDiff" />

                            <View
                                android:id="@+id/pbBg"
                                android:layout_width="0dp"
                                android:layout_height="4dp"
                                android:layout_marginEnd="@dimen/common_10"
                                android:background="@drawable/shape_pwp_jxjy_pb_bg"
                                android:visibility="visible"
                                app:layout_constraintBottom_toBottomOf="@id/ivR"
                                app:layout_constraintLeft_toLeftOf="@id/tvGetDiff"
                                app:layout_constraintRight_toLeftOf="@id/ivR"
                                app:layout_constraintTop_toTopOf="@id/ivR" />

                            <View
                                android:id="@+id/pb"
                                android:layout_width="0dp"
                                android:layout_height="4dp"
                                android:layout_marginEnd="@dimen/common_10"
                                android:background="@drawable/shape_pwp_jxjy_pb"
                                android:visibility="gone"
                                app:layout_constraintBottom_toBottomOf="@id/ivR"
                                app:layout_constraintLeft_toLeftOf="@id/tvGetDiff"
                                app:layout_constraintTop_toTopOf="@id/ivR" />

                        </androidx.constraintlayout.widget.ConstraintLayout>

                    </RelativeLayout>

                </RelativeLayout>
            </com.google.android.material.appbar.CollapsingToolbarLayout>

            <com.google.android.material.tabs.TabLayout
                android:id="@+id/tl_tab"
                android:layout_width="match_parent"
                android:layout_height="@dimen/common_96"
                android:layout_gravity="center_horizontal"
                android:background="@drawable/shape_pwp_jxjy_tab"
                app:tabBackground="@color/trans"
                app:tabGravity="center"
                app:tabIndicator="@drawable/shape_indicator_pwp"
                app:tabIndicatorColor="#F29339"
                app:tabIndicatorFullWidth="false"
                app:tabIndicatorGravity="bottom"
                app:tabIndicatorHeight="5dp"
                app:tabMode="scrollable"
                app:tabSelectedTextColor="@color/title"
                app:tabTextColor="@color/title" />
        </com.google.android.material.appbar.AppBarLayout>

        <androidx.recyclerview.widget.RecyclerView
            android:id="@+id/rvJxjy"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            app:layout_behavior="@string/appbar_scrolling_view_behavior" />
     
    </androidx.coordinatorlayout.widget.CoordinatorLayout>

    <include layout="@layout/dw_error_layout" />

</RelativeLayout>