Android P is already closer than nothing and is that the customizations are already starting to go full but with the new official launchers, wallpapers and now the experience of getting the notification bar in the new version of Android 9.0.
This application replace your factory notification panel with a notification bar similar to what Android P is, it detects gestures to see the quick and personalized settings.
As if that were not enough, you can also choose several factory themes such as Android Nougat and Oreo as well as a more complete customization taking base templates and color in the elements to your liking.
On the other hand, you will have quick answers so that you can answer all your messages directly from the application bar, it is worth mentioning that this can only be executed on Android 5.0 devices onwards.
Finally, this application is completely free in the Android application store, which should be mentioned that there are digital purchases as well as ads within it, we will leave you the direct link so you can download it and enjoy the new notification bar.