crystal-wallet-android/app/src/main/res/layout/activity_settings.xml

<?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"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/main_content"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".activities.SettingsActivity">

    <android.support.design.widget.AppBarLayout
        android:id="@+id/appbar"
        android:layout_width="match_parent"
        android:layout_height="120dp"
        android:fitsSystemWindows="true"
        android:background="@color/colorPrimary"
        app:theme="@style/AppTheme.AppBarOverlay">

        <android.support.design.widget.CollapsingToolbarLayout
            android:id="@+id/toolbar_layout"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:fitsSystemWindows="true"
            app:contentScrim="@color/transparent"
            app:layout_scrollFlags="scroll|exitUntilCollapsed"
            app:toolbarId="@+id/toolbar">

            <SurfaceView
                android:id="@+id/surface_view"
                android:layout_width="match_parent"
                android:layout_height="match_parent" />

            <View
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:background="@color/colorPrimaryTransparent"/>

            <android.support.v7.widget.Toolbar
                android:id="@+id/toolbar"
                android:layout_width="match_parent"
                android:layout_height="?attr/actionBarSize"
                android:background="@color/transparent"
                android:layout_marginTop="8dp"
                app:layout_collapseMode="none"
                app:popupTheme="@style/AppTheme.PopupOverlay">

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

                    <ImageView
                        android:id="@+id/ivGoBack"
                        android:layout_width="30dp"
                        android:layout_height="30dp"
                        android:layout_marginStart="8dp"
                        app:srcCompat="@drawable/ic_arrow_back"
                        app:layout_constraintBottom_toBottomOf="parent"
                        app:layout_constraintStart_toStartOf="parent"
                        app:layout_constraintTop_toTopOf="parent"
                        android:contentDescription="@string/go_back_arrow" />

                    <TextView
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:layout_marginStart="8dp"
                        android:text="@string/settings2"
                        android:textStyle="bold"
                        android:textColor="@color/gray"
                        android:textSize="18sp"
                        app:layout_constraintBottom_toBottomOf="parent"
                        app:layout_constraintTop_toTopOf="parent"
                        app:layout_constraintStart_toEndOf="@id/ivGoBack" />

                    <ImageView
                        android:id="@+id/ivInfo"
                        android:layout_width="30dp"
                        android:layout_height="30dp"
                        android:layout_marginEnd="24dp"
                        app:srcCompat="@drawable/ic_info_outline"
                        android:contentDescription="@string/info_icon"
                        app:layout_constraintBottom_toBottomOf="parent"
                        app:layout_constraintEnd_toEndOf="parent"
                        app:layout_constraintTop_toTopOf="parent" />

                </android.support.constraint.ConstraintLayout>


            </android.support.v7.widget.Toolbar>

            <android.support.design.widget.TabLayout
                android:id="@+id/tabs"
                android:layout_gravity="bottom"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                app:layout_collapseMode="pin"
                android:animateLayoutChanges="true">

                <android.support.design.widget.TabItem
                    android:id="@+id/tabItem"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:text="@string/general" />

                <android.support.design.widget.TabItem
                    android:id="@+id/tabItem2"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:text="@string/security" />

                <android.support.design.widget.TabItem
                    android:id="@+id/tabItem3"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:text="@string/backups" />

                <android.support.design.widget.TabItem
                    android:id="@+id/tabItem4"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:text="@string/accounts" />

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

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

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

    <!-- change height -->
    <android.support.v4.view.ViewPager
        android:id="@+id/pager"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        app:layout_behavior="@string/appbar_scrolling_view_behavior" />

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