The ionic-header and ionic-toolbar is the red line and the ion-card is the purple line content. What I want is when scrolling down the content and the header will be hidden and scroll up the header will display back
<ion-header>
<ion-toolbar>
<ion-grid>
<ion-row>
<ion-col>
<ion-title size="small" id="titleFont">Welcome, {{memberName}}</ion-title>
</ion-col>
<ion-col id="SegmentBg">
<ion-segment @ionChange="clicked($event)" :scrollable="true" v-model="component">
<ion-segment-button value="Repurchase" >
<ion-img src="./assets/icon/Repurchase.png" alt="Repurchase" title="Repurchase"/>
<ion-label id="textSmall">Repurchase</ion-label>
</ion-segment-button>
<ion-segment-button value="Registration">
<ion-img src="./assets/icon/Registration.png" alt="Registration" title="Registration"/>
<ion-label id="textSmall">Registration</ion-label>
</ion-segment-button>
<ion-segment-button value="TripPoint">
<ion-img src="./assets/icon/Trip-Point.png" alt="Trip Point" title="Trip Point"/>
<ion-label id="textSmall">Trip Point</ion-label>
</ion-segment-button>
<ion-segment-button value="Voucher">
<ion-img src="./assets/icon/Voucher.png" alt="Voucher" title="Voucher"/>
<ion-label id="textSmall">Voucher</ion-label>
</ion-segment-button>
</ion-segment>
</ion-col>
</ion-row>
</ion-grid>
</ion-toolbar>
</ion-header>
<ion-card id="Border" >
<component v-bind:is="component"/>
</ion-card>