layout_activity

<?xml version="1.0" encoding="utf-8"?>
<android.support.design.widget.CoordinatorLayout
        xmlns:android="http://schemas.android.com/apk/res/android"
        xmlns:app="http://schemas.android.com/apk/res-auto"
        android:layout_width="match_parent"
        android:layout_height="match_parent" xmlns:tools="http://schemas.android.com/tools"
        android:background="@android:color/background_light"
        android:scrollbars="none"
        android:fitsSystemWindows="true"
        android:id="@+id/coordinator"
>

    <android.support.design.widget.AppBarLayout
            android:id="@+id/main_appbar2"
            android:layout_width="match_parent"
            android:layout_height="300dp"
            android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"
            android:fitsSystemWindows="true">

        <android.support.design.widget.CollapsingToolbarLayout
                android:id="@+id/collapsing_toolbar"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                app:layout_scrollFlags="scroll|exitUntilCollapsed"
                android:fitsSystemWindows="true"
                app:expandedTitleGravity="start|bottom"
                app:collapsedTitleGravity="center|top"

                app:contentScrim="?attr/colorPrimary"
                app:expandedTitleMarginStart="48dp"
                app:expandedTitleMarginEnd="64dp"
        >

            <ImageView
                    android:id="@+id/main.backdrop"
                    android:layout_width="match_parent"
                    android:layout_height="match_parent"
                    android:scaleType="fitCenter"
                    android:fitsSystemWindows="true"
                    android:background="@drawable/background_tab"
                    app:layout_collapseMode="parallax"/>

            <ImageView
                    android:id="@+id/main_backdrop22"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_gravity="start|bottom"
                    android:layout_marginBottom="24dp"
                    android:layout_marginStart="24dp"
                    android:scaleType="fitCenter"
                    android:fitsSystemWindows="true"
                    android:src="@drawable/ic_school_course"
            />

            <TextView
                    android:id="@+id/backgroundTitleText"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_alignParentStart="true"
                    android:layout_centerVertical="true"
                    android:layout_centerHorizontal="true"
                    android:text="Adult course"
                    android:textStyle="bold"
                    android:textColor="@color/colorDarkBlue"
                    android:textAllCaps="true"
                    android:textSize="20sp"
                    android:layout_gravity="start|bottom"
                    android:layout_marginBottom="24dp"
                    android:layout_marginStart="24dp"

            />

            <include layout="@layout/layout_toolbar_catalog_class"
                     android:layout_width="match_parent"
                     android:layout_height="80dp"
                     android:layout_gravity="bottom"
                     android:id="@+id/toolbarCatalogClass"
            />

            <include layout="@layout/layout_toolbar_catalog_lesson"
                     android:layout_width="match_parent"
                     android:layout_height="80dp"
                     android:layout_gravity="bottom"
                     android:id="@+id/toolbarCatalogLesson"
            />

            <include layout="@layout/layout_toolbar_favourites"
                     android:layout_width="match_parent"
                     android:layout_height="80dp"
                     android:layout_gravity="bottom"
                     android:id="@+id/toolbarFavourites"
            />

            <include layout="@layout/layout_toolbar_user_lessons"
                     android:layout_width="match_parent"
                     android:layout_height="80dp"
                     android:layout_gravity="bottom"
                     android:id="@+id/toolbarUserLessons"
            />

            <include layout="@layout/layout_toolbar_user_profile"
                     android:layout_width="match_parent"
                     android:layout_height="80dp"
                     android:layout_gravity="bottom"
                     android:id="@+id/toolbarUserProfile"
            />



            <android.support.v7.widget.Toolbar
                    android:id="@+id/main.toolbar"
                    android:layout_width="match_parent"
                    android:layout_height="?attr/actionBarSize"
                    app:popupTheme="@style/ThemeOverlay.AppCompat.Light"
                    app:layout_collapseMode="pin">

                <android.support.constraint.ConstraintLayout
                        android:layout_width="match_parent"
                        android:layout_marginStart="22dp"
                        android:layout_height="match_parent">

                    <android.support.v7.widget.AppCompatImageView
                            android:id="@+id/ic_back"
                            android:layout_width="wrap_content"
                            android:layout_height="wrap_content"
                            android:background="@drawable/ic_back"
                            app:layout_constraintBottom_toBottomOf="parent"
                            app:layout_constraintStart_toStartOf="parent"
                            android:layout_marginStart="8dp" android:layout_marginTop="8dp"
                            app:layout_constraintTop_toTopOf="parent" android:layout_marginBottom="8dp"/>

                    <TextView
                            android:id="@+id/ic_back_text"
                            android:layout_width="wrap_content"
                            android:layout_height="wrap_content"
                            android:gravity="start"
                            android:layout_alignParentStart="true"
                            android:layout_centerVertical="true"
                            android:layout_centerHorizontal="true"
                            android:text="Классы"
                            android:textColor="@color/colorDarkBlue"
                            android:textAllCaps="true"
                            android:textSize="17sp"
                            app:layout_behavior="@string/appbar_scrolling_view_behavior"
                            app:layout_constraintBottom_toBottomOf="parent"
                            app:layout_constraintTop_toTopOf="parent"
                            app:layout_constraintVertical_bias="0.515" app:layout_constraintStart_toEndOf="@+id/ic_back"
                            android:layout_marginStart="8dp"/>

                    <ImageView
                            android:layout_width="0dp"
                            android:layout_height="wrap_content"
                            android:src="@drawable/ic_school_course"
                            android:id="@+id/icToolbar"
                            app:layout_behavior="@string/appbar_scrolling_view_behavior"
                            app:layout_constraintBottom_toBottomOf="parent"
                            app:layout_constraintTop_toTopOf="parent" app:layout_constraintStart_toStartOf="parent"
                            app:layout_constraintHorizontal_bias="0.5"
                            app:layout_constraintEnd_toStartOf="@+id/ic_search"/>

                    <TextView
                            android:id="@+id/icToolbarAdult"
                            android:layout_width="0dp"
                            android:layout_height="wrap_content"
                            android:gravity="center"
                            android:layout_alignParentStart="true"
                            android:layout_centerVertical="true"
                            android:layout_centerHorizontal="true"
                            android:text="Adult course"
                            android:textStyle="bold"
                            android:textColor="@color/colorDarkBlue"
                            android:textAllCaps="true"
                            android:textSize="20sp"
                            app:layout_behavior="@string/appbar_scrolling_view_behavior"
                            app:layout_constraintBottom_toBottomOf="parent"
                            app:layout_constraintTop_toTopOf="parent" app:layout_constraintStart_toStartOf="parent"
                            app:layout_constraintHorizontal_bias="0.5"
                            app:layout_constraintEnd_toStartOf="@+id/ic_search"/>

                    <ImageView
                            android:id="@+id/ic_search"
                            android:layout_width="wrap_content"
                            android:layout_height="wrap_content"
                            android:layout_alignParentEnd="true"
                            android:layout_centerVertical="true"
                            android:background="@drawable/ic_search"
                            android:layout_marginEnd="8dp" app:layout_constraintEnd_toEndOf="parent"
                            app:layout_constraintTop_toTopOf="parent"
                            app:layout_constraintBottom_toBottomOf="parent"
                    />

                </android.support.constraint.ConstraintLayout>

            </android.support.v7.widget.Toolbar>
        </android.support.design.widget.CollapsingToolbarLayout>
    </android.support.design.widget.AppBarLayout>

    <android.support.v4.widget.NestedScrollView
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            app:layout_behavior="@string/appbar_scrolling_view_behavior"
    android:id="@+id/nestedScrollView">

        <LinearLayout
                android:id="@+id/container"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_marginTop="0dp"
                android:paddingBottom="70dp"
                android:orientation="vertical">
        </LinearLayout>
    </android.support.v4.widget.NestedScrollView>

    <android.support.design.widget.BottomNavigationView
            android:id="@+id/navigationView"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:background="@color/colorGreyLight"
            android:layout_gravity="bottom"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintLeft_toLeftOf="parent"
            app:layout_constraintRight_toRightOf="parent"
            app:labelVisibilityMode="labeled"
            tools:override="true"
            app:itemBackground="@color/colorGreyLight"
            app:itemIconTint="@color/bottom_bar_item_selector"
            app:itemTextColor="@color/colorGrey"
            app:menu="@menu/navigation"/>

</android.support.design.widget.CoordinatorLayout>