Error: package android:support.v4.#### does not exist

I want to add fragments to my application and I installed the xamarin.android.support.v4 and other required but it gives an error

error: package android:support.v4.view or app or content etc. does not exist.

I have tried on a blank project with the same results.

I am using Android 7.0 and the latest support library.

For now,i want to also add RecyclerView and CardView

To use these two controls, you need to install the Xamarin.Android.Support.v7.RecyclerView package and Xamarin.Android.Support.v7.CardView in your project. When you install the Xamarin.Android.Support.v7.RecyclerView package using Nuget, the Xamarin.Android.Support.v4 package will automatically be installed.

And you can use RecyclerView like this:

<android.support.v7.widget.RecyclerView
    android:id="@+id/recyclerView"
    android:scrollbars="vertical"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent" />

And so is the CardView:

<android.support.v7.widget.CardView
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    card_view:cardElevation="4dp"
    card_view:cardUseCompatPadding="true"
    card_view:cardCornerRadius="5dp">
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="vertical"
        android:padding="8dp">
        <ImageView
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:id="@+id/imageView"
            android:scaleType="centerCrop" />
        <TextView
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:textAppearance="?android:attr/textAppearanceMedium"
            android:textColor="#333333"
            android:text="Caption"
            android:id="@+id/textView"
            android:layout_gravity="center_horizontal"
            android:layout_marginLeft="4dp" />
    </LinearLayout>
</android.support.v7.widget.CardView>

You can refer to the official document RecyclerView of Xamarin for using and customizing RecyclerView in Xamarin.Android applications.