BarInsta/app/src/main/res/layout/activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<awais.instagrabber.customviews.InsetsNotifyingCoordinatorLayout 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/main_container"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:animateLayoutChanges="true"
    tools:context=".activities.MainActivity">

    <com.google.android.material.appbar.AppBarLayout
        android:id="@+id/appBarLayout"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent">

        <com.google.android.material.appbar.CollapsingToolbarLayout
            android:id="@+id/collapsingToolbarLayout"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:animateLayoutChanges="true"
            android:minHeight="?attr/actionBarSize"
            app:layout_scrollFlags="scroll|enterAlwaysCollapsed|exitUntilCollapsed"
            app:titleEnabled="false">

            <com.google.android.material.appbar.MaterialToolbar
                android:id="@+id/toolbar"
                android:layout_width="match_parent"
                android:layout_height="?attr/actionBarSize"
                android:background="?attr/toolbarColor"
                app:layout_collapseMode="pin"
                app:title="@string/app_name"
                tools:menu="@menu/main_menu">

                <com.google.android.material.textfield.TextInputLayout
                    android:id="@+id/search_input_layout"
                    style="?searchInputStyle"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:visibility="gone"
                    app:boxStrokeColor="@null"
                    app:boxStrokeWidth="0dp"
                    app:boxStrokeWidthFocused="0dp"
                    app:endIconContentDescription="@string/clear"
                    app:endIconDrawable="@drawable/ic_close_24"
                    app:endIconMode="custom"
                    app:hintEnabled="false"
                    tools:visibility="visible">

                    <com.google.android.material.textfield.TextInputEditText
                        android:layout_width="match_parent"
                        android:layout_height="wrap_content"
                        android:hint="@string/search" />
                </com.google.android.material.textfield.TextInputLayout>
            </com.google.android.material.appbar.MaterialToolbar>
        </com.google.android.material.appbar.CollapsingToolbarLayout>
    </com.google.android.material.appbar.AppBarLayout>

    <androidx.fragment.app.FragmentContainerView
        android:id="@+id/main_nav_host"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:clipToPadding="false"
        app:layout_behavior="@string/appbar_scrolling_view_behavior" />

    <!--app:layout_behavior="@string/hide_bottom_view_on_scroll_behavior"-->
    <com.google.android.material.bottomnavigation.BottomNavigationView
        android:id="@+id/bottomNavView"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_gravity="bottom"
        app:labelVisibilityMode="auto" />
</awais.instagrabber.customviews.InsetsNotifyingCoordinatorLayout>