My представление времени выполнения не соответствует моему представлению дизайна .
моя цель - дизайн. 
но когда я запускаю на андроид устройстве. Я получил это
Как мне перекрывать Cardview при просмотре изображений? Можно ли это сделать? сначала я использую FrameLayout, затем использую Relative Layout. Теперь я не в своем выборе. Вот мой код дизайна
<?xml version="1.0" encoding="utf-8"?>
<android.support.design.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:fitsSystemWindows="true"
android:background="@color/grey_10"
android:clipChildren="false"
tools:context="com.kurtihouse.nirzonpop.detailspage.view.ProductDetailsActivity">
<android.support.design.widget.AppBarLayout
android:id="@+id/app_bar_layout"
android:layout_width="match_parent"
android:layout_height="256dp"
android:fitsSystemWindows="true"
android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar">
<android.support.design.widget.CollapsingToolbarLayout
android:id="@+id/collapsing_toolbar"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fitsSystemWindows="true"
app:contentScrim="?attr/colorPrimary"
app:expandedTitleTextAppearance="@style/TextAppearance.AppCompat.Title"
app:layout_scrollFlags="scroll"
app:titleEnabled="false">
<ImageView
android:id="@+id/ivProductImage"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fitsSystemWindows="true"
android:scaleType="fitXY"
android:src="@drawable/image_8"
app:layout_collapseMode="pin" />
<!--<android.support.v7.widget.RecyclerView
android:id="@+id/rvProductImage"
android:layout_width="match_parent"
android:layout_height="@dimen/product_image_height"
android:layout_marginEnd="1dp"
android:contentDescription="@string/image_description"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.4"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:srcCompat="@mipmap/ic_launcher" />-->
<View
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@color/overlay_dark_40" />
<FrameLayout
android:layout_width="match_parent"
android:layout_height="wrap_content">
<android.support.v7.widget.Toolbar
android:id="@+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
app:contentInsetStartWithNavigation="0dp"
app:popupTheme="@style/ThemeOverlay.AppCompat.Light" />
</FrameLayout>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:gravity="center"
android:orientation="vertical">
<ImageView
android:layout_width="80dp"
android:layout_height="80dp"
android:tint="@android:color/white"
app:srcCompat="@drawable/img_wizard_1" />
<!-- <View
android:layout_width="@dimen/spacing_middle"
android:layout_height="0dp" />
<TextView
android:id="@+id/textView9"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Nature Park"
android:textAppearance="@style/Base.TextAppearance.AppCompat.Title"
android:textColor="@android:color/white" />-->
</LinearLayout>
</android.support.design.widget.CollapsingToolbarLayout>
</android.support.design.widget.AppBarLayout>
<android.support.v4.widget.NestedScrollView
android:id="@+id/nested_content"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginTop="-50dp"
android:clipToPadding="false"
android:scrollbars="vertical"
android:scrollingCache="true"
app:layout_behavior="@string/appbar_scrolling_view_behavior">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical">
<android.support.v7.widget.CardView
android:id="@+id/cardView"
style="@style/CardViewTheme"
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_anchorGravity=""
app:layout_constraintTop_toBottomOf="@+id/rvProductImage">
<android.support.constraint.ConstraintLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:paddingTop="10dp"
android:paddingBottom="10dp">
<ImageView
android:id="@+id/imageView2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="8dp"
android:layout_marginEnd="8dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:srcCompat="@drawable/ic_share_gray" />
<ImageView
android:id="@+id/ivFavorite"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="8dp"
android:layout_marginEnd="8dp"
app:layout_constraintEnd_toStartOf="@+id/imageView2"
app:layout_constraintTop_toTopOf="parent"
app:srcCompat="@drawable/ic_favorite_off" />
<LinearLayout
android:id="@+id/llDirectContract"
android:layout_width="wrap_content"
android:layout_height="36dp"
android:layout_marginStart="16dp"
android:layout_marginTop="16dp"
android:background="@color/colorBgSuccess"
android:orientation="horizontal"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/tvProductCode">
<ImageView
android:id="@+id/ivCall111"
android:layout_width="@dimen/iv_call_width"
android:layout_height="@dimen/iv_call_height"
android:paddingTop="5dp"
app:srcCompat="@drawable/ic_phone" />
<TextView
android:id="@+id/tvDirectContractNot"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:padding="@dimen/padding_10"
android:text="@string/direct_buy"
android:textColor="@color/colorWhite"
android:textStyle="bold"
app:layout_constraintVertical_bias="0.0" />
</LinearLayout>
<TextView
android:id="@+id/tvPrice"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="16dp"
android:text=""
android:textColor="@color/colorBlack"
android:textSize="24sp"
android:textStyle="bold"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="@+id/imageView2" />
<TextView
android:id="@+id/tvProductName"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginStart="16dp"
android:layout_marginEnd="16dp"
android:text=""
android:textColor="@color/colorBlack"
android:textSize="18sp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/tvPrice" />
<TextView
android:id="@+id/tvProductCode"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="16dp"
android:layout_marginTop="8dp"
android:text="swewewe"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/tvProductName" />
<TextView
android:id="@+id/tvAvailability"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginStart="32dp"
android:background="@drawable/border_toast_success"
android:paddingStart="10dp"
android:paddingTop="3dp"
android:paddingEnd="10dp"
android:paddingBottom="3dp"
android:text="TextView"
android:textColor="@color/colorWhite"
android:visibility="visible"
app:layout_constraintBottom_toBottomOf="@+id/llDirectContract"
app:layout_constraintStart_toEndOf="@+id/llDirectContract"
app:layout_constraintTop_toTopOf="@+id/llDirectContract" />
</android.support.constraint.ConstraintLayout>
</android.support.v7.widget.CardView>
<View
android:layout_width="match_parent"
android:layout_height="@dimen/spacing_large" />
<android.support.v7.widget.CardView
android:id="@+id/sizeCardView"
style="@style/CardViewTheme"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginBottom="8dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/cardView">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical"
android:paddingBottom="10dp">
<TextView
android:id="@+id/tvSize"
style="@style/Text.SizeSection"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="16dp"
android:layout_marginTop="16dp"
android:text="@string/lbl_size" />
<TextView
android:id="@+id/tv_sizeList"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginStart="16dp"
android:layout_marginTop="16dp"
android:text="dlkfjldsfjkldsjf" />
</LinearLayout>
</android.support.v7.widget.CardView>
<View
android:layout_width="match_parent"
android:layout_height="@dimen/spacing_large" />
<android.support.v7.widget.CardView
android:id="@+id/detailsCardView"
style="@style/CardViewTheme"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginBottom="8dp"
android:paddingBottom="150dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/sizeCardView">
<android.support.constraint.ConstraintLayout
android:layout_width="match_parent"
android:layout_height="wrap_content">
<TextView
android:id="@+id/descriptionLabel"
style="@style/Text.Description"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:text="Description"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<TextView
android:id="@+id/tvDescription"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginStart="8dp"
android:layout_marginTop="16dp"
android:layout_marginEnd="8dp"
android:text="deesadefdsfdasfdsaf"
android:textSize="13sp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/descriptionLabel" />
</android.support.constraint.ConstraintLayout>
</android.support.v7.widget.CardView>
<View
android:layout_width="match_parent"
android:layout_height="@dimen/spacing_large" />
<Button
android:id="@+id/btnAddCart"
android:layout_width="@dimen/btn_add_cart_width"
android:layout_height="40dp"
android:layout_marginStart="8dp"
android:layout_marginEnd="8dp"
android:layout_marginBottom="8dp"
android:background="@drawable/round_button"
android:drawableStart="@drawable/ic_shopping_cart_white"
android:paddingStart="16dp"
android:text="@string/add_to_cart_label"
android:textAllCaps="false"
android:textColor="@color/colorWhite"
android:textSize="22sp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent" />
</LinearLayout>
</android.support.v4.widget.NestedScrollView>
</android.support.design.widget.CoordinatorLayout>