toolbar

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
                xmlns:tools="http://schemas.android.com/tools"
                xmlns:app="http://schemas.android.com/apk/res-auto"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:background="@color/background_grey"
                android:fitsSystemWindows="true"
                tools:context=".MainActivity">

    <android.support.v4.widget.DrawerLayout
        android:id="@+id/drawer"
        android:layout_height="match_parent"
        android:layout_width="match_parent"
        >

        <!-- Content -->
        <RelativeLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent">

            <FrameLayout
                android:id="@+id/main_frameLayout"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_marginTop="@dimen/shadow_margin_action_bar"/>

            <android.support.v7.widget.Toolbar
                android:id="@+id/toolbar"
                android:layout_height="@dimen/action_bar_height"
                android:layout_width="match_parent"
                android:background="@drawable/bg_toolbar"
                >

                <com.balysv.materialmenu.MaterialMenuView
                    android:id="@+id/action_bar_menu"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_gravity="center_vertical"
                    android:layout_marginLeft="@dimen/default_padding"
                    android:layout_marginRight="@dimen/default_padding"
                    app:mm_color="@android:color/white"/>

                <TextView
                    android:id="@+id/action_bar_title"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_gravity="center_vertical"
                    android:textAppearance="@style/TextAppearance.AppCompat.Title"
                    android:fontFamily="sans-serif-medium"
                    android:text="@string/app_name"
                    android:singleLine="true"
                    android:ellipsize="end"
                    android:textColor="@android:color/white"/>

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

            <tw.com.ezpay.twq.ezpaywallet.views.FloatingActionButton
                android:id="@+id/add_card_fab"
                android:layout_width="@dimen/fab_size"
                android:layout_height="@dimen/fab_size"
                android:padding="@dimen/fab_padding"
                android:src="@drawable/ic_add_white_24dp"
                app:button_float_action_background_color="@color/accent"
                app:button_float_action_ripple_color="@color/white_disabled"
                android:layout_alignParentRight="true"
                android:layout_marginTop="@dimen/fab_margin_top"
                android:layout_marginRight="@dimen/fab_margin_top"
                android:visibility="gone"
                />

        </RelativeLayout>

        <!-- Side Drawer -->
        <FrameLayout
            android:id="@+id/navigation_drawer_frameLayout"
            android:layout_width="@dimen/drawer_width"
            android:layout_height="match_parent"
            android:layout_gravity="start"/>

    </android.support.v4.widget.DrawerLayout>

</RelativeLayout>