Slow performance on Ionic page with input fields

My ionic app is experiencing slow performance on pages with inputs. For example, a select input with 4 items has a delay of approximately 800ms, and when dismissing the keyboard, a white blank block remains on screen for about 500ms.

This app consists of around 10 pages with forms, all of which are running slowly. I am seeking suggestions on better ways to implement high-performance forms.

Please review this sample code:

Sample Code :

<ion-content >

  <div class="confirmform" style="padding:5px;">

    <div class="confirmitem" *ngFor="let room of rooms; let i = index;">
      <ion-item class="roomheader">
        <ion-label>Room {{i+1}} Details</ion-label>

      </ion-item>
      <!-- item -->

      <!-- More content like adult information, children details, contact info follows -->

       <ion-row>
         <ion-col>
           <button ion-button color="primary" style="margin:0 auto;display:block" (click)="submitBooking()">Proceed to Booking</button>
         </ion-col>
       </ion-row>

   </div>

<!-- contact section -->

<div class="confirmitem">
    <ion-item class="roomheader">
        <ion-label>Contact Info</ion-label>
      </ion-item>
    </div>


</ion-content>

I would appreciate any advice or recommendations on how to enhance the performance of my application overall. Thank you!

Answer №1

If you want to enhance the performance of your page, consider following these suggestions:

  1. Transfer all inline styles to the relevant page's SCSS file or make use of the global app.scss file. It is not advisable to use inline styles as they are difficult to maintain and won't cache.

  2. Evaluate your app's performance on an actual device by utilizing the following CLIs:

    ionic cordova build android --prod
    
    ionic cordova build ios --prod
    

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