我的活动布局包括：
- 页面顶部的粘性非折叠工具栏
- 一个nestedScrollView，其中包含两个RecyclerViews的两个标头
- 用于在nestedScrollView中定位项目的ConstraintLayout
- 两个RecyclerViews
XML文件如下：
<?xml version="1.0" encoding="utf-8"?>
<androidx.coordinatorlayout.widget.CoordinatorLayout 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:fillViewport="true">
<com.google.android.material.appbar.AppBarLayout
android:id="@+id/appbar"
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent">
<androidx.appcompat.widget.Toolbar
android:id="@+id/toolbar"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="@color/colorWhite"
app:contentInsetEnd="0dp"
app:contentInsetStart="0dp"
app:layout_scrollflags="enterAlways"
app:popuptheme="@style/Theme.AppCompat.Light">
<androidx.constraintlayout.widget.ConstraintLayout
android:layout_width="match_parent"
android:layout_height="wrap_content">
<ImageView
android:id="@+id/backButton"
style="@style/Icon"
android:layout_marginStart="16dp"
android:layout_marginTop="16dp"
android:layout_marginBottom="16dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:srcCompat="@drawable/ic_2" />
<View
android:id="@+id/view13"
android:layout_width="0dp"
android:layout_height="0dp"
android:layout_marginStart="16dp"
android:layout_marginTop="16dp"
android:layout_marginEnd="16dp"
android:layout_marginBottom="16dp"
android:background="@drawable/bg_white_ellipse_with_border"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toEndOf="@+id/backButton"
app:layout_constraintTop_toTopOf="parent" />
<ImageView
android:id="@+id/imageView21"
style="@style/Icon"
android:layout_marginStart="16dp"
android:layout_marginTop="16dp"
android:layout_marginBottom="16dp"
app:layout_constraintBottom_toBottomOf="@+id/view13"
app:layout_constraintStart_toStartOf="@+id/view13"
app:layout_constraintTop_toTopOf="@+id/view13"
app:srcCompat="@drawable/ic_1" />
<EditText
android:id="@+id/searchField"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="16dp"
android:background="@color/fui_transparent"
android:ems="10"
android:hint="Type something"
android:imeOptions="actionSearch"
android:inputType="text"
android:maxLines="1"
app:layout_constraintBottom_toBottomOf="@+id/view13"
app:layout_constraintStart_toEndOf="@+id/imageView21"
app:layout_constraintTop_toTopOf="@+id/view13" />
</androidx.constraintlayout.widget.ConstraintLayout>
</androidx.appcompat.widget.Toolbar>
</com.google.android.material.appbar.AppBarLayout>
<androidx.core.widget.nestedScrollView
android:id="@+id/scrollView2"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_gravity="fill_vertical"
app:layout_behavior="@string/appbar_scrolling_view_behavior">
<androidx.constraintlayout.widget.ConstraintLayout
android:layout_width="match_parent"
android:layout_height="wrap_content">
<View
android:id="@+id/view8"
android:layout_width="match_parent"
android:layout_height="5dp"
android:background="@color/colorLightGray"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<View
android:id="@+id/view9"
android:layout_width="match_parent"
android:layout_height="5dp"
android:background="@color/colorLightGray"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="1.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/rv1" />
<View
android:id="@+id/view12"
android:layout_width="match_parent"
android:layout_height="5dp"
android:layout_marginBottom="16dp"
android:background="@color/colorLightGray"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/rv2" />
<TextView
android:id="@+id/textView21"
style="@style/HeadingText"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="16dp"
android:layout_marginTop="16dp"
android:text="Dishes"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/view8" />
<androidx.recyclerview.widget.RecyclerView
android:id="@+id/rv1"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:nestedScrollingEnabled="false"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/textView21" />
<TextView
android:id="@+id/textView8"
style="@style/HeadingText"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="16dp"
android:layout_marginTop="16dp"
android:text="Restaurants"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/view9" />
<androidx.recyclerview.widget.RecyclerView
android:id="@+id/rv2"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginTop="8dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="@+id/view12"
app:layout_constraintTop_toBottomOf="@+id/textView8" />
</androidx.constraintlayout.widget.ConstraintLayout>
</androidx.core.widget.nestedScrollView>
</androidx.coordinatorlayout.widget.CoordinatorLayout>
工具栏根据需要固定在页面顶部。一切都可以正确滚动。但是，我无法滚动到nestedScrollView的末尾，即该项目已被剪切掉，并且无法滚动至第二个RecyclerView中的最后一个项目。我该如何解决？