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Diffstat (limited to 'docs/html/design/patterns/selection.jd')
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diff --git a/docs/html/design/patterns/selection.jd b/docs/html/design/patterns/selection.jd deleted file mode 100644 index 7ed6dcc..0000000 --- a/docs/html/design/patterns/selection.jd +++ /dev/null @@ -1,123 +0,0 @@ -page.title=Selection -page.tags=actionmode,navigation,contextual -@jd:body - -<a class="notice-designers-material" - href="http://www.google.com/design/spec/patterns/selection.html"> - <div> - <h3>Material Design</h3> - <p>Selection<p> - </div> -</a> - -<a class="notice-developers" href="{@docRoot}guide/topics/ui/menus.html#context-menu"> - <div> - <h3>Developer Docs</h3> - <p>Menus: Creating Contextual Menus</p> - </div> -</a> - - -<p>Android 3.0 changed the <em>long press</em> gesture—that is, a touch that's held in the same position for a moment—to be the global gesture to select data.. This affects the way you should -handle multi-select and contextual actions in your apps.</p> - -<div class="vspace size-1"> </div> - -<div class="layout-content-row"> - <div class="layout-content-col span-6"> - -<h4>What has changed?</h4> -<p>In previous versions of Android, the long press gesture was universally used to display contextual -actions for a given data item in a contextual menu.</p> -<p>This pattern changed with Android 3.0. The long press gesture is now used to select data, combining -contextual actions and selection management functions for selected data into a new element called -the contextual action bar (CAB).</p> - - </div> - <div class="layout-content-col span-7"> - - <img src="{@docRoot}design/media/selection_context_menu.png"> - <div class="figure-caption"> - Traditional use of the long press gesture to show contextual menus. - </div> - - </div> -</div> - -<h4>Using the contextual action bar</h4> -<p itemprop="description">The contextual action bar (CAB) is a temporary action bar that overlays your app's current action bar while data -is selected. It appears after the user long-presses on a selectable data item.</p> - -<img src="{@docRoot}design/media/selection_cab_big.png"> - -<div class="vspace size-1"> </div> - -<div class="layout-content-row"> - <div class="layout-content-col span-6"> - -<p>From here the user can:</p> -<ul> -<li>Select additional data items by touching them.</li> -<li>Trigger an action from the CAB that applies to all highlighted data items. The CAB then - automatically dismisses itself.</li> -<li>Dismiss the CAB via the navigation bar's Back button or the CAB's checkmark button. This removes - the CAB along with all selection highlights.</li> -</ul> - - </div> - <div class="layout-content-col span-7"> - - <img src="{@docRoot}design/media/selection_cab_example.png"> - - </div> -</div> - -<div class="layout-content-row"> - <div class="layout-content-col span-6"> - -<h4>Selecting CAB actions</h4> -<p>You can decide which actions and elements appear in the CAB. Use the guidelines in the <a href="actionbar.html">Action Bar -pattern</a> to decide which items to surface at the top level and which to move to the -action overflow.</p> -<h4>Dynamically adjust CAB actions</h4> -<p>In most cases you need to adjust the actions in the CAB dynamically as the user adds more items to -the selection. Actions that apply to a single selected data item don't necessarily apply to multiple -selected data items of the same kind.</p> - - </div> - <div class="layout-content-col span-7"> - - <img src="{@docRoot}design/media/selection_adjusting_actions.png"> - <div class="figure-caption"> - Adjusting actions in the CAB as additional items are selected. - </div> - - </div> -</div> - -<div class="note develop"> -<p><strong>Developer Guide</strong></p> - <p>For information about how to create a contextual action bar, read - <a href="{@docRoot}guide/topics/ui/menus.html#CAB">Using the contextual action mode</a>.</p> -</div> - - -<h2 id="checklist">Checklist</h2> - -<ul> -<li> -<p>Whenever your app supports the selection of multiple data items, make use of the contextual action - bar (CAB).</p> -</li> -<li> -<p>Reserve the long press gesture for selection exclusively. Don't use it to display traditional - contextual menus.</p> -</li> -<li> -<p>If you don't support multi-selection within a list, long press should do nothing.</p> -</li> -<li> -<p>Plan the actions you want to display inside of a CAB in the same way you would plan the actions - inside your app's action bar.</p> -</li> -</ul> |