activity_main.xml

<?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:background="@drawable/ic_menu_bg"
    tools:context=".MainActivity" >
    <ScrollView
        android:layout_width="match_parent"
        android:layout_height="match_parent">
        <androidx.constraintlayout.widget.ConstraintLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent">

            <TextView
                android:id="@+id/textView8"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginStart="20dp"
                android:layout_marginTop="16dp"
                android:text="Categories"
                android:textColor="@color/text1"
                android:textStyle="bold"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toTopOf="parent" />

            <TextView
                android:id="@+id/textView9"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginStart="30dp"
                android:layout_marginTop="8dp"
                android:background="@drawable/border_rectangle"
                android:padding="6dp"
                android:paddingStart="10dp"
                android:paddingEnd="10dp"
                android:text="Yeast Raised Donut"
                android:textColor="@android:color/white"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toTopOf="@+id/divider4" />

            <TextView
                android:id="@+id/textView10"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginTop="8dp"
                android:layout_marginEnd="30dp"
                android:background="@drawable/border_rectangle"
                android:padding="6dp"
                android:paddingStart="10dp"
                android:paddingEnd="10dp"
                android:text="Cake Donut"
                android:textColor="@android:color/white"
                app:layout_constraintEnd_toEndOf="parent"
                app:layout_constraintTop_toBottomOf="@+id/divider4" />

            <View
                android:id="@+id/divider4"
                android:layout_width="409dp"
                android:layout_height="1dp"
                android:layout_marginTop="9dp"
                android:background="?android:attr/listDivider"
                app:layout_constraintEnd_toEndOf="parent"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toBottomOf="@+id/textView8" />

            <ImageView
                android:id="@+id/imageView8"
                android:layout_width="264dp"
                android:layout_height="264dp"
                android:layout_marginTop="16dp"
                app:layout_constraintEnd_toEndOf="parent"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toBottomOf="@+id/divider4"
                app:srcCompat="@drawable/donut" />

            <TextView
                android:id="@+id/textView11"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginStart="20dp"
                android:layout_marginTop="8dp"
                android:text="Today's Speciality"
                android:textColor="@color/text1"
                android:textStyle="bold"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toBottomOf="@+id/imageView8" />

            <TextView
                android:id="@+id/textView12"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginStart="20dp"
                android:layout_marginTop="8dp"
                android:text="Today's Menu"
                android:textColor="@color/text1"
                android:textStyle="bold"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toBottomOf="@+id/recyclerView2" />

            <androidx.recyclerview.widget.RecyclerView
                android:id="@+id/recyclerView2"
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:layout_marginTop="8dp"
                app:layout_constraintEnd_toEndOf="parent"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toBottomOf="@+id/textView11" />

            <androidx.recyclerview.widget.RecyclerView
                android:id="@+id/rv1"
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:layout_marginTop="8dp"
                app:layout_constraintEnd_toEndOf="parent"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toBottomOf="@+id/textView12" />



        </androidx.constraintlayout.widget.ConstraintLayout>
    </ScrollView>
    <com.google.android.material.floatingactionbutton.FloatingActionButton
        android:id="@+id/floatingActionButton3"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:background="@color/text1"
        android:layout_margin="@dimen/fab_margin"
        android:clickable="true"
        android:layout_gravity="bottom|end"
        app:srcCompat="@drawable/ic_baseline_chat_24"
        android:focusable="true" />

</androidx.coordinatorlayout.widget.CoordinatorLayout>