128 lines
4.0 KiB
Plaintext
128 lines
4.0 KiB
Plaintext
page.title=Gestures
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page.tags=gesture,input,touch
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@jd:body
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<p>Gestures allow users to interact with your app by manipulating the screen objects you provide. The
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following table shows the core gesture set that is supported in Android.</p>
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<div class="vspace size-2"> </div>
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<div class="layout-content-row">
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<div class="layout-content-col span-4">
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<img src="{@docRoot}design/media/gesture_touch.png">
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<h4>Touch</h4>
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<p>Triggers the default functionality for a given item.</p>
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<ul>
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<li class="no-bullet with-icon action">
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<h4>Action</h4>
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<p>Press, lift</p></li>
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</ul>
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</div>
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<div class="layout-content-col span-4">
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<img src="{@docRoot}design/media/gesture_longtouch.png">
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<h4>Long press</h4>
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<p>Enters data selection mode. Allows you to select one or more items in a view and act upon
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the data using a contextual action bar. Avoid using long press for showing contextual menus.</p>
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<ul>
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<li class="no-bullet with-icon action">
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<h4>Action</h4>
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<p>Press, wait, lift</p></li>
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</ul>
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</div>
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<div class="layout-content-col span-4">
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<img src="{@docRoot}design/media/gesture_swipe.png">
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<h4>Swipe or drag</h4>
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<p>Scrolls overflowing content, or navigates between views in the same hierarchy. Swipes are
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quick and affect the screen even after the finger is picked up. Drags are slower and more precise,
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and the screen stops responding when the finger is picked up.</p>
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<ul>
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<li class="no-bullet with-icon action">
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<h4>Action</h4>
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<p>Press, move, lift</p></li>
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</ul>
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</div>
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</div>
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<div class="vspace size-2"> </div>
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<div class="layout-content-row">
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<div class="layout-content-col span-4">
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<img src="{@docRoot}design/media/gesture_drag.png">
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<h4>Long press drag</h4>
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<p>Rearranges data within a view, or moves data into a container (e.g. folders on Home Screen).</p>
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<ul>
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<li class="no-bullet with-icon action">
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<h4>Action</h4>
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<p>Long press, move, lift</p></li>
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</ul>
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</div>
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<div class="layout-content-col span-4">
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<img src="{@docRoot}design/media/gesture_doubletouch.png">
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<h4>Double touch </h4>
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<p> Scales up a standard amount around the target with each repeated gesture until reaching
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maximum scale. For nested views, scales up the smallest targetable view, or returns it to
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its original scale. Also used as a secondary gesture for text selection.</p>
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<ul>
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<li class="no-bullet with-icon action">
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<h4>Action</h4>
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<p>Two touches in quick succession</p>
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</li>
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</ul>
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</div>
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<div class="layout-content-col span-4">
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<img src="{@docRoot}design/media/gesture_doubletouchdrag.png">
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<h4>Double touch drag</h4>
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<p>Scales content by pushing away or pulling closer, centered around gesture.</p>
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<ul>
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<li class="no-bullet with-icon action">
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<h4>Action</h4>
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<p>A single touch followed in quick succession by a drag up or down:</p>
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<ul style="padding-left:1.5em;list-style-type:disc;">
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<li>Dragging up decreases content scale</li>
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<li>Dragging down increases content scale</li>
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<li>Reversing drag direction reverses scaling.</li>
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</ul>
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</li>
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</ul>
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</div>
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</div>
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<div class="vspace size-2"> </div>
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<div class="layout-content-row">
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<div class="layout-content-col span-4">
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<img src="{@docRoot}design/media/gesture_pinchopen.png" style="margin-left:-4px">
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<h4>Pinch open</h4>
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<p>Zooms into content.</p>
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<ul>
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<li class="no-bullet with-icon action">
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<h4>Action</h4>
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<p>2-finger press, move outwards, lift</p></li>
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</ul>
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</div>
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<div class="layout-content-col span-4">
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<img src="{@docRoot}design/media/gesture_pinchclose.png">
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<h4>Pinch close</h4>
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<p>Zooms out of content.</p>
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<ul>
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<li class="no-bullet with-icon action">
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<h4>Action</h4>
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<p>2-finger press, move inwards, lift</p>
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</li>
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</ul>
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</div>
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</div>
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