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Android Design - Typography
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<h2>Typography</h2>
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<p>The Android design language relies on traditional typographic tools such as scale, space, rhythm,
and alignment with an underlying grid. Successful deployment of these tools is essential to help
users quickly understand a screen of information. To support such use of typography, Ice Cream
Sandwich introduced a new type family named Roboto, created specifically for the requirements of UI
and high-resolution screens. The current TextView framework supports regular, bold, italic, and bold
italic weights by default.</p>
<img src="../static/content/typography_alphas.png">
<p><a href="../static/download/Roboto_Hinted_20111129.zip">Download Roboto</a></p>
<p><a href="../static/download/RobotoSpecimenBook.pdf">Specimen Book</a></p>
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<h4>Default type colors</h4>
<p>The Android UI uses the following default color styles: <code>textColorPrimary</code> and
<code>textColorSecondary</code>. For light themes use <code>textColorPrimaryInverse</code> and
<code>textColorSecondaryInverse</code>. The framework text color styles also support variants for
touch feedback states when used inside UI elements.</p>
<img src="../static/content/typography_defaults.png">
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<h4>Typographic Scale</h4>
<p>Contrast in type sizes can go a long way to create ordered, understandable layouts. However, too
many different sizes in the same UI can be messy. The Android framework uses the following limited
set of type sizes:</p>
<img src="../static/content/typography_sizes.png">
<p>Users can select a system-wide scaling factor for text in the Settings app. In order to support
these accessibility features, type should be specified in scale-independent pixels
(<acronym title="Scale-independent pixels. One sp is one pixel on a 160 dpi screen if the user's global text scale is set to 100%.">sp</acronym>)
wherever possible. Layouts supporting scalable types should be tested against these settings.</p>
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