Android P rootless custom themes: Google says no

Android is a highly customizable operating system but there are still some things that you can't easily change. Almost ironically, the simplest customization, applying themes, isn't possible without rooting your device. In Android 8.0 Oreo, however, developers have found a way around that limitation, creating the Substratum app and subsequent themes around it. Starting Android P, however, that workaround will …