Fresh screenshots from an internal Android Open Source Project build suggest Android 17 is shaping up to be a quietly consequential update, with a native app lock, a revamped screen recording interface for phones, and a round of translucent UI polish. The build, which labels itself “Baklava,” offers a credible peek at features Google has been refining behind the scenes — and signals a push to unify privacy and productivity tools across devices.
System-level app lock emerges in the Android launcher
The standout addition is a system-level app lock. In the leaked build, a long-press on an app icon surfaces a “Lock” action, and system messaging explicitly ties app access to the device’s screen lock. That implies unlocking a protected app would require your existing authentication method — PIN, pattern, password, or biometrics — rather than a separate code, simplifying the experience and avoiding duplicate security prompts.

Google appears to be aiming for a per-app privacy layer that complements, rather than replaces, features like Private Space and work profiles. For everyday users, this means you can lock down a banking app or messages folder quickly, without shuffling accounts or containers. For enterprise administrators, it could become another policy-controlled switch alongside existing device management tools exposed through Android Enterprise APIs.
Earlier strings spotted in development builds hinted at notification behavior when an app is locked. Expect options to hide notification content, redact sensitive previews, or block quick actions until authentication. That approach mirrors what leading OEMs have long offered — Samsung’s Secure Folder or Xiaomi’s App Lock, for example — but a first-party implementation would reduce fragmentation and bring consistent UX across the 3 billion+ active Android devices reported by Google.
Screen Recording Tools Expand to Android Phones
Another notable change is a refreshed screen recording UI previously seen targeting tablets and external displays — now appearing on phones. The interface looks purpose-built to prevent accidental data exposure, with controls that suggest recording a single app or window instead of the entire display. That’s a big win for privacy: no stray notifications, no sudden home screen cameos.
Expect finer audio controls (device audio, mic, or both), clearer countdown and indicator states, and potentially smarter touch indicators. For creators and educators, this lowers the friction of producing clean, focused clips on a phone. For developers and IT support, it streamlines reproducible bug captures without collateral information leaking into recordings — a common concern in regulated industries.
Translucent System UI and Broader Visual Polish
The build also shows more of Android 17’s evolving visual language with translucent, “liquid glass” elements, including a see-through volume slider. Material You’s dynamic color remains, but it’s now paired with subtle blur and transparency that make system overlays feel lighter and less intrusive. The challenge for Google is balancing flair with legibility — expect contrast-aware adjustments and accessibility checks so the new gloss doesn’t cost readability in bright light or high-motion scenarios.

These UI touches aren’t just aesthetic. Translucent surfaces can reduce cognitive load by keeping context visible beneath overlays, whether you’re adjusting volume during video playback or managing quick settings mid-task. It’s a small but meaningful quality-of-life improvement when multiplied across daily interactions.
How Firm Are These Features in Pre-release Builds
The screenshots originate from a Telegram user operating an internal OEM AOSP build, and while the “Baklava” label lines up with Android’s internal codenames, features in test images are never guaranteed. Google routinely prototypes in AOSP, then refines or shelves ideas before public betas arrive. Some of what’s shown here could debut first on Pixel devices, with broader AOSP adoption following partner testing cycles.
That said, the pieces fit a coherent roadmap: a privacy-forward app lock, a safer and more flexible screen recorder, and UI polish that modernizes everyday surfaces. Taken together, these changes read less like headline-grabbing gimmicks and more like the steady, user-centered upgrades that define a mature platform release.
Why These Android 17 Changes Could Matter to Users
Android’s native app lock could eliminate the need for redundant third-party lockers, reduce security pitfalls from inconsistent implementations, and give families, small businesses, and IT teams a single, trustworthy control. The upgraded recorder is poised to help everyone from YouTubers to support staff produce cleaner clips without manual editing. And the translucent UI is the kind of refinement users immediately notice, even if they can’t name it.
If these previews hold, Android 17 is less about spectacle and more about trust, clarity, and time saved — the sorts of improvements that end up being used 100% of the time by 100% of users.