Is it just me but when using the button inside a list it is taking two clicks to work.
<ion-slide >
<ion-list>
<button ion-item *ngFor="let item of menuslides;" (click)="mainmenu(item)">
<ion-avatar item-start>
<img [src]="'assets/images/menu/' + item.img + '.png'" >
</ion-avatar>
{{item.title}}
</button>
</ion-list>
</ion-slide>