How to Adapt Android Apps for Googlebook Desktops

Googlebook laptops bring Android apps to a full desktop environment. Partners including HP, Dell, Lenovo, Acer, and Asus ship high-resolution OLED touchscreens, dedicated keyboards, and precision trackpads. Apps that already use adaptive layouts scale without a separate codebase.

Users who move between phone and laptop expect higher information density, precise pointer input, and multitasking. Adaptive development handles free-form window resizing and multi-pane layouts so the same project looks native on both form factors. Google Play highlights optimized titles with desktop badging and featured collections. When a user sets up a new Googlebook from their Android phone, compatible apps appear for day-one transfer.

This guide shows how to prepare a Jetpack Compose app using the official adaptive skill, Navigation 3 scene strategies, and desktop input support.

Why adaptive layouts matter for Googlebook

Stretching a phone layout across a wide window produces long lines of text and tiny targets. Window size classes drive decisions instead of physical screen size. Compact, medium, and expanded classes trigger different compositions as the user resizes the window.

Navigation 3 scene strategies coordinate the back stack with available space. ListDetailSceneStrategy places a list beside a detail pane when the window is wide enough. SupportingPaneSceneStrategy adds a third pane for filters or tools. Scene decorators wrap the content with a persistent navigation rail suited to desktop use. Pair these with Grid and FlexBox layout primitives to organize dense content without hard-coded widths.

Jetpack Compose already supports physical keyboard navigation and pointer events. Contextual cursors change shape over text fields or resize handles. Hover states and right-click context menus become discoverable. The Keyboard Shortcuts Helper surfaces available shortcuts so users do not have to guess.

Install the adaptive skill

The adaptive skill gives coding agents the context they need to refactor mobile Compose screens into responsive containers. Install it through Android CLI so any ACP-compatible agent can use it.

First confirm Android CLI is present:

android --version

List available skills:

android skills list

Add the adaptive skill for the agents you use:

android skills add adaptive --agent=claude,codex

Or install it into the current project:

android skills add adaptive --project=.

The skill expects Compose screens and Navigation 3. If your app still uses Fragments or the older Navigation component, migrate those first with the matching skills. Once installed, open your agent and ask it to review a screen for desktop readiness. The skill supplies the steps for window size classes, scene strategies, and input handling.

Implement multi-pane layouts

Start with a single-pane phone layout. Identify the primary list and the detail content that should appear beside it. Create a scene strategy that inspects the current window size class.

When the class is Expanded, return a two-pane layout. When the class is Compact or Medium, fall back to the original single pane. Navigation 3 keeps the back stack consistent so the detail screen remains in the stack even when it is shown side-by-side.

Enable multi-instance support so users can open the same app in multiple free-form windows. Combine this with drag-and-drop so text, images, or files move between windows. Dropping an item onto an empty desktop area can launch a new instance for that content.

Customize the caption bar if your app needs a search field or tabs in the window header. Respect system controls so the minimize, maximize, and close buttons stay in their standard positions.

Test on the desktop emulator

Android Studio Canary includes a desktop emulator that runs a virtual free-form environment on your workstation. Create a virtual device configured for desktop mode. Resize the window, open multiple instances, and verify keyboard, trackpad, and mouse input. The emulator surfaces layout problems before you need physical hardware.

On a real Googlebook you can also use the on-device Linux terminal for agentic development. The isolated environment lets you build and test directly on the device.

Tips for a polished desktop experience

• Set maximum line lengths so paragraphs stay readable at larger type scales.
• Increase touch target sizes for pointer use and provide hover feedback.
• Support Continue On handoff so a task started on a phone resumes on the laptop with document position or tab state intact.
• Review the desktop app quality guidelines and the adaptive app quality tiers. Tier 2 qualifies the app for the large-screen Play badge.
• Watch for apps that already invested in tablet and foldable layouts. Notability scaled to Googlebook mainly by adjusting existing window size class logic, then spent time on Continue On and side-by-side study modes.

If you already connect external agents in Android Studio, the same adaptive skill works with Bring Your Own Agent. See the guide on Bring Your Own Agent in Android Studio Rabbit 2.

Conclusion

Googlebook expands the Android surface to laptop-class hardware without requiring a second codebase. Adaptive layouts driven by window size classes, Navigation 3 scene strategies, and the adaptive skill let agents help you modernize existing Compose screens. Test free-form resizing in the desktop emulator, add keyboard and pointer support, and ship an experience that feels native on both phone and laptop.

Start by installing the adaptive skill and asking your agent to review one primary screen. The same foundation also prepares the app for foldables, tablets, and future large-screen form factors.

Sources

• Android Developers Blog: Land your apps on Googlebook with adaptive development
• Android Developers: Build adaptive apps for Googlebook
• Android Developers: Android skills overview
• Android Dev Summit 2026 keynote (YouTube)