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<section id="scaling-adaptiveness">
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<h1>Scaling & Adaptiveness<a class="headerlink" href="#scaling-adaptiveness" title="Permalink to this headline">¶</a></h1>
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<p>GNOME supports a variety of device types, including desktops, laptops, convertibles, and phones. On the desktop, windows can also be used at a variety of sizes, and can sometimes be tiled alongside other windows. It is therefore important to ensure that app windows look and perform well at a range of sizes.</p>
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<section id="adaptive-design">
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<h2>Adaptive Design<a class="headerlink" href="#adaptive-design" title="Permalink to this headline">¶</a></h2>
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<p>The term “adaptive” refers to this approach to designing applications which adjust to different sizes. Adaptive apps scale from narrow sizes that are appropriate for phones or split screen, all the way up to very large desktop sizes, while always providing the same functionality.</p>
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<p>Some general guidance for designing and building adaptive apps:</p>
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<ul class="simple">
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<li><p>Following the GNOME design conventions for app structure and progressive disclosure will help to ensure that your app works well at a range of sizes. Windows that are sub-divided into numerous small panes or panels are hard to make adaptive.</p></li>
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<li><p>When designing UI layouts, start from the most constrained environment (smallest screen size, most limited input devices) and then work your way up to the least constrained one. This not only helps avoid designing layouts that will be impossible to scale down, but also helps focus the interface and ensure a clean structure.</p></li>
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<li><p>Using established patterns and widgets (such as <a class="reference internal" href="../patterns/nav/view-switchers.html"><span class="doc">view switchers</span></a>) generally makes things easier as they are often designed with adaptiveness in mind.</p></li>
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<li><p>Using list patterns for content is encouraged because they scale well to both very narrow and very wide view widths.</p></li>
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<li><p>Ensure that the width of each container always feels good, irrespective of the window width, without requiring manual resizing by the user. For example, sidebars should never look excessively wide or narrow in relation to the main window area.</p></li>
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<li><p>Resizing the window should be smooth and glitch-free. For example widgets should not jump around or disappear without an animation.</p></li>
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<li><p>Be mindful that hardware capabilities are often dynamic and can vary from what might be expected for a particular physical form factor. For example, large screens can have touch capacities, and devices with small screens can be paired with physical keyboards.</p></li>
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</ul>
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</section>
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<section id="small-size-handling">
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<h2>Small Size Handling<a class="headerlink" href="#small-size-handling" title="Permalink to this headline">¶</a></h2>
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<p>The smallest recommended display size for GNOME on desktop is currently 1024×600px, and this size should be supported by all applications. Apps that are appropriate for a phone form factor should scale down to 360×294px.</p>
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</section>
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<section id="large-size-handling">
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<h2>Large Size Handling<a class="headerlink" href="#large-size-handling" title="Permalink to this headline">¶</a></h2>
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<p>Large window sizes can present a number of challenges, including:</p>
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<ul class="simple">
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<li><p>related controls becoming physically distant</p></li>
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<li><p>lines of text becoming uncomfortably long</p></li>
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<li><p>visual structure like grids being lost</p></li>
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</ul>
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<p>To avoid these issues, place content within containers that have a maximum width. These can include both visible containers, like <a class="reference internal" href="../patterns/containers/boxed-lists.html"><span class="doc">lists</span></a>, or invisible containers which act as a restraining frame.</p>
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</section>
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<section id="technical-reference">
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<h2>Technical Reference<a class="headerlink" href="#technical-reference" title="Permalink to this headline">¶</a></h2>
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<ul class="simple">
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<li><p><a class="reference external" href="https://gnome.pages.gitlab.gnome.org/libadwaita/doc/main/adaptive-layouts.html">Adwaita: Adaptive Layouts</a></p></li>
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<li><a class="reference internal" href="#adaptive-design">Adaptive Design</a></li>
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<li><a class="reference internal" href="#small-size-handling">Small Size Handling</a></li>
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