Google recently announced Android 12L — a feature drop for Android 12 that brings several optimizations and new features for large screen devices. The first Android 12L Developer Preview includes quite a few user-facing changes, including a new two-column UI, a taskbar, better multitasking capabilities, and letterboxing improvements. In addition, the first developer preview has a hidden change that lets you quickly switch wallpapers from the context menu on the homescreen.
AOSP Launcher3 from Android 12L DP1 includes a developer flag called “quick wallpaper picker.” As Mishaal Rahman revealed in a recent tweet, the flag enables a new wallpaper picker UI in the context menu on the homescreen. The wallpaper picker UI in the context menu shows the current wallpaper along with four other options, and you can tap on one of these options to change your homescreen wallpaper.
Screenshot: Mishaal Rahman
Google has also rearranged the options to show the new wallpaper picker UI at the top o…