my nestedscrollview doesnt work scrolling the content, do you fix this ? 

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout 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"
    tools:context=".view.monitoring.SfaMonitoringFragment">

    <android.support.constraint.ConstraintLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent">


        <android.support.v7.widget.CardView
            android:id="@+id/cardView"
            android:layout_width="match_parent"
            android:layout_height="210dp"
            android:translationY="-70dp"
            app:cardCornerRadius="80dp"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent">

            <ImageView
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:scaleType="center"
                android:src="@drawable/sfa_bg" />

        </android.support.v7.widget.CardView>

        <TextView
            android:id="@+id/textView7"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginTop="15dp"
            android:elevation="5dp"
            android:fontFamily="@font/montserratmedium"
            android:gravity="center"
            android:text="Salesmanship Retail"
            android:textColor="#fff"
            android:textSize="20sp"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent" />

        <android.support.v7.widget.RecyclerView
            android:id="@+id/rvOutletGenereated"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:elevation="5dp"
            android:focusableInTouchMode="true"
            android:padding="16dp"
            android:visibility="gone"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toBottomOf="@+id/textView7" />

        <android.support.v7.widget.CardView
            android:id="@+id/noDataFound"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginLeft="16dp"
            android:layout_marginTop="12dp"
            android:layout_marginRight="16dp"
            android:elevation="5dp"
            android:focusableInTouchMode="true"
            android:visibility="visible"
            app:cardCornerRadius="10dp"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toBottomOf="@+id/textView7">

            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_margin="5dp"
                android:orientation="vertical">

                <ImageView
                    android:layout_width="100dp"
                    android:layout_height="100dp"
                    android:layout_gravity="center_horizontal"
                    android:padding="6dp"
                    android:src="@drawable/no_data" />

                <TextView
                    android:id="@+id/statusGenerated"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_gravity="center_horizontal"
                    android:layout_marginBottom="10dp"
                    android:fontFamily="@font/montserratsemibold"
                    android:gravity="center"
                    android:text="NO DATA FOUND"
                    android:textSize="14sp" />
            </LinearLayout>

        </android.support.v7.widget.CardView>

        <LinearLayout
            android:id="@+id/statusJualan"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginTop="25dp"
            android:orientation="vertical"
            android:visibility="gone"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toBottomOf="@+id/noDataFound">

            <ImageView
                android:id="@+id/ivSuccessJualan"
                android:layout_width="120dp"
                android:layout_height="120dp"
                android:layout_gravity="center_horizontal"
                android:layout_marginEnd="0dp"
                android:layout_marginRight="0dp"
                android:elevation="5dp"
                android:src="@drawable/ic_va_success" />

            <TextView
                android:id="@+id/infoStatusJualan"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_marginTop="10dp"
                android:fontFamily="@font/montserratmedium"
                android:gravity="center"
                android:text="Siap Jualan"
                android:textSize="20sp" />

        </LinearLayout>

        <android.support.v7.widget.CardView
            android:id="@+id/baseCardView"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginStart="16dp"
            android:layout_marginLeft="16dp"
            android:layout_marginTop="25dp"
            android:layout_marginEnd="16dp"
            android:layout_marginRight="16dp"
            android:elevation="5dp"
            app:cardCornerRadius="20dp"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toBottomOf="@+id/statusJualan">

            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="40dp"
                android:background="@color/color_add_focused"
                android:elevation="5dp"
                android:orientation="horizontal"
                android:weightSum="2">

                <TextView
                    android:layout_width="0dp"
                    android:layout_height="wrap_content"
                    android:layout_gravity="center_vertical"
                    android:layout_marginLeft="10dp"
                    android:layout_weight="1"
                    android:fontFamily="@font/montserratregular"
                    android:text="Summary Staging"
                    android:textColor="#fff" />

                <TextView
                    android:layout_width="0dp"
                    android:layout_height="match_parent"
                    android:layout_weight="0.35" />

                <ImageButton
                    android:id="@+id/toggleShow"
                    android:layout_width="0dp"
                    android:layout_height="match_parent"
                    android:layout_weight="1"
                    android:background="@color/zxing_transparent"
                    android:src="@drawable/ic_down_arrow" />
            </LinearLayout>

            <android.support.v4.widget.NestedScrollView
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:fillViewport="true">

                <LinearLayout
                    android:id="@+id/hiddenView"
                    android:layout_width="match_parent"
                    android:layout_height="match_parent"
                    android:layout_marginTop="30dp"
                    android:elevation="5dp"
                    android:orientation="vertical"
                    android:visibility="gone">

                    <TextView
                        android:id="@+id/textView8"
                        android:layout_width="match_parent"
                        android:layout_height="wrap_content"
                        android:layout_marginStart="16dp"
                        android:layout_marginLeft="16dp"
                        android:layout_marginTop="20dp"
                        android:elevation="5dp"
                        android:fontFamily="@font/montserratsemibold"
                        android:text="List Generate Staging SFA" />

                    <android.support.v7.widget.RecyclerView
                        android:id="@+id/rvStagingSfaGenerated"
                        android:layout_width="match_parent"
                        android:layout_height="match_parent"
                        android:elevation="5dp"
                        android:focusableInTouchMode="true"
                        android:padding="16dp"
                        android:visibility="gone"
                        app:layout_constraintBottom_toTopOf="@+id/fabGetDataSfa"
                        app:layout_constraintEnd_toEndOf="parent"
                        app:layout_constraintStart_toStartOf="parent"
                        app:layout_constraintTop_toBottomOf="@+id/textView8" />


                    <LinearLayout
                        android:id="@+id/notFoundStgSfa"
                        android:layout_width="match_parent"
                        android:layout_height="match_parent"
                        android:layout_margin="5dp"
                        android:gravity="center_vertical"
                        android:orientation="vertical"
                        android:visibility="visible"
                        app:layout_constraintBottom_toTopOf="@+id/fabGetDataSfa"
                        app:layout_constraintTop_toBottomOf="@+id/textView8">

                        <ImageView
                            android:layout_width="100dp"
                            android:layout_height="100dp"
                            android:layout_gravity="center_horizontal"
                            android:padding="6dp"
                            android:src="@drawable/no_data" />

                        <TextView
                            android:id="@+id/infoNotFoundStg"
                            android:layout_width="wrap_content"
                            android:layout_height="wrap_content"
                            android:layout_gravity="center_horizontal"
                            android:fontFamily="@font/montserratsemibold"
                            android:gravity="center"
                            android:text="NO DATA FOUND"
                            android:textSize="14sp" />
                    </LinearLayout>


                </LinearLayout>

            </android.support.v4.widget.NestedScrollView>
        </android.support.v7.widget.CardView>

        <com.getbase.floatingactionbutton.FloatingActionButton
            android:id="@+id/fabGetDataSfa"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_margin="@dimen/fab_margin"
            android:layout_marginEnd="16dp"
            android:layout_marginRight="16dp"
            android:elevation="5dp"
            android:onClick="onClickGenerateOutletSfa"
            android:translationY="-50dp"
            app:backgroundTint="#0061ff"
            app:borderWidth="0dp"
            app:fab_colorNormal="#0061ff"
            app:fab_icon="@drawable/ic_launch_data"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toEndOf="parent" />

    </android.support.constraint.ConstraintLayout>

</FrameLayout>