1// change <ion-navbar> to <ion-toolbar>
2// before
3<ion-navbar primary  *navbar>
4  <ion-title>Bug</ion-title>
5  <ion-buttons end>
6    <button (click)="close()">
7      <ion-icon name="close" ></ion-icon>
8    </button>
9  </ion-buttons>
10</ion-navbar >
11
12// after
13<ion-toolbar primary >
14  <ion-title>Fixed</ion-title>
15  <ion-buttons end>
16    <button (click)="close()">
17      <ion-icon name="close" ></ion-icon>
18    </button>
19  </ion-buttons>
20</ion-toolbar>