Issue with displaying modal and backdrop specifically on iPhone in Angular 13

Within our Angular 13 application, we have a modal component. The component's CSS includes the :host selector for the root element, which also serves as the style for the backdrop:

:host {
  position: absolute;
  background: rgba(0, 0, 0, 0.5);
  width: 100%;
  height: 100%;
  left: 0;
  top: 0;
  display: flex;
  justify-content: flex-end;
  overflow-x: hidden;
}

Strangely, when viewing this modal on iPhones (works fine on Windows 11 and Android phones), the entire component—including the backdrop and its content, such as the modal itself—is not visible at all.

Any insights into why this might be happening?

This issue does not occur with other modals or components in the application.

Answer №1

So, this situation is quite unusual and I must admit that I'm a bit puzzled by it. It appears that the iPhone displayed the

:host { position: absolute }

differently than other devices. With absolute positioning, the modal appeared on the left side of the iPhone screen, seemingly positioned "outside" of it:

https://i.sstatic.net/N6dBD.jpg

The solution to this issue, if we can call it that, was to change the position to fixed:

https://i.sstatic.net/EccEx.jpg

If you have any insight or explanation for why this occurred, please share it with me!

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