Can a PWA guarantee popup/heads-up push notifications on Android & iOS?
I'm building a PWA with Web Push. Push notifications work fine, but on some devices they only appear in the notification center/tray instead of showing as a popup/banner.
Is there any way for a PWA to request or enable popup/heads-up notifications programmatically on Android or iOS?
Or is the popup/banner behavior completely controlled by the OS and user settings?
I'm looking for a production-safe solution for thousands of users, not device-specific hacks.
Has anyone solved this in a real-world PWA?