Toggle button in Toolbar before set of buttons

Ionic Framework ionic-v3
#1

I try to do something like this in an ion-toolbar to get a toogle button betwenn ion-buttons

<ion-toolbar primary>
    <button menuToggle>
      <ion-icon name="menu"></ion-icon>
    </button>
    <ion-title>LanthingsHA</ion-title>
    <ion-toggle disabled checked="false"></ion-toggle>
    <ion-buttons end>
        <button royal>
            <ion-icon name="search"></ion-icon>
        </button>
        <button royal>
            <ion-icon name="notifications"></ion-icon>
        </button>
        <button royal>
            <ion-icon name="more"></ion-icon>
        </button>
    </ion-buttons>
</ion-toolbar>

the result should be like this

image