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Android Automotive OS (AAOS) includes 2 fully built, customizable reference
designs, accommodating both portrait and small landscape screens.
This section provides UX details for these two reference designs, which optimize
the AAOS system UI for
portrait
and
small landscape
screens. For more about the features of the reference designs and how to choose
between them, see below.
Choose a reference design
Car makers typically choose which reference design to use based on the display
format they're designing for:
portrait
or
small landscape.
The 2 reference designs share many design goals and features, with the larger
format of the portrait screen providing space for some extra capabilities.
Similarities
Both reference designs:
Include essential UI features such as navigation bar, status bar, and
media controls
Accommodate a range of screen configurations, adjusting for size,
reachability, aspect ratios, shapes, and number of displays. These designs
also accommodate various input methods and angles and bends on displays.
Allow customizations that reflect the car maker's brand and the
configurations of specific car models, while allowing some screen elements
to showcase app branding.
Differences
The main functional difference between the designs is that the portrait
reference design has space for more multitasking options. It can simultaneously
display a navigation app, a second app, and media controls. More features are
summarized below.
Small landscape reference design
Potrait reference design
Key features:
Optimized for smaller displays
Prioritizes a single-app experience (full frame)
Limited mutitasking via Home screen
Rotary enabled
Key features:
Optimized for portrait displays
Multliple-app experience, so navigation remains present
Robust multitasking, with media controls always available
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