Oppo How to Enable or Disable Screen Overlay
Oppo 5In order for apps like Messenger to show up on top of other apps, the "floating windows" feature must be enabled on the Oppo smartphone so that apps can show up on top of other apps and provide quick access to its features.
Android 10 (ColorOS 7.0)




- Open the Settings
- Tap on App management
- Tap on Display over other apps
- Enable or Disable desired App