peguins-read/app/src/main/res/layout/activity_post.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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:id="@+id/birthday_constraint"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".activities.PostActivity">


    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical">

        <androidx.cardview.widget.CardView
            android:layout_width="match_parent"
            android:layout_height="?actionBarSize"
            tools:ignore="MissingConstraints">

            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:background="@color/backgroundColor"
                android:orientation="horizontal">

                <ImageView
                    android:id="@+id/back"
                    android:layout_width="0dp"
                    android:layout_height="match_parent"
                    android:layout_marginTop="15dp"
                    android:layout_marginBottom="15dp"
                    android:layout_weight="1"
                    android:src="@drawable/back_black" />

                <TextView
                    android:layout_width="0dp"
                    android:layout_height="match_parent"
                    android:layout_gravity="center"
                    android:layout_weight="4"
                    android:fontFamily="@font/unifrakturcook"
                    android:gravity="center"
                    android:text="@string/name"
                    android:textAlignment="center"
                    android:textColor="@color/textColor"
                    android:textSize="25sp" />

                <ImageView
                    android:layout_width="0dp"
                    android:layout_height="match_parent"
                    android:layout_marginTop="20dp"
                    android:layout_marginBottom="20dp"
                    android:layout_weight="1"
                    android:alpha="0.6"
                    android:src="#00FFFFFF" />
            </LinearLayout>

        </androidx.cardview.widget.CardView>

        <androidx.core.widget.NestedScrollView
            android:layout_width="match_parent"
            android:layout_height="match_parent">

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

                <com.facebook.shimmer.ShimmerFrameLayout
                    android:id="@+id/shimmer_view_container"
                    android:layout_width="match_parent"
                    android:layout_height="match_parent"
                    app:shimmer_auto_start="false">

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

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

                    </LinearLayout>


                </com.facebook.shimmer.ShimmerFrameLayout>


                <WebView
                    android:id="@+id/webview"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:layout_below="@+id/shimmer_view_container"
                    android:nestedScrollingEnabled="true" />

                <TextView
                    android:id="@+id/txtview"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:layout_below="@+id/webview"
                    android:layout_margin="10dp"
                    android:textColor="@color/textColor"
                    android:textSize="25sp"
                    android:visibility="gone" />

                <androidx.recyclerview.widget.RecyclerView
                    android:id="@+id/recyclerComment"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_below="@id/txtview"
                    android:visibility="gone" />

            </RelativeLayout>


        </androidx.core.widget.NestedScrollView>
    </LinearLayout>

</LinearLayout>