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diff --git a/docs/html/design/patterns/selection.html b/docs/html/design/patterns/selection.html new file mode 100644 index 0000000..37dcab5 --- /dev/null +++ b/docs/html/design/patterns/selection.html @@ -0,0 +1,252 @@ +<!DOCTYPE html> +<html lang="en"> + <head> + <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> + <title> + +Android Design - Selection + </title> + <link rel="shortcut icon" type="image/x-icon" href="/favicon.ico"> + <link rel="stylesheet" href="http://fonts.googleapis.com/css?family=Roboto:regular,medium,thin,italic,mediumitalic"> + <link rel="stylesheet" href="../static/yui-3.3.0-reset-min.css"> + <link rel="stylesheet" href="../static/default.css"> + + </head> + <body> + + <div id="page-container"> + + <div id="page-header"><a href="../index.html">Android Design</a></div> + + <div id="main-row"> + + <ul id="nav"> + + <li class="nav-section"> + <div class="nav-section-header"><a href="../index.html">Get Started</a></div> + <ul> + <li><a href="../get-started/creative-vision.html">Creative Vision</a></li> + <li><a href="../get-started/principles.html">Design Principles</a></li> + <li><a href="../get-started/ui-overview.html">UI Overview</a></li> + </ul> + </li> + + <li class="nav-section"> + <div class="nav-section-header"><a href="../style/index.html">Style</a></div> + <ul> + <li><a href="../style/devices-displays.html">Devices and Displays</a></li> + <li><a href="../style/themes.html">Themes</a></li> + <li><a href="../style/touch-feedback.html">Touch Feedback</a></li> + <li><a href="../style/metrics-grids.html">Metrics and Grids</a></li> + <li><a href="../style/typography.html">Typography</a></li> + <li><a href="../style/color.html">Color</a></li> + <li><a href="../style/iconography.html">Iconography</a></li> + <li><a href="../style/writing.html">Writing Style</a></li> + </ul> + </li> + + <li class="nav-section"> + <div class="nav-section-header"><a href="../patterns/index.html">Patterns</a></div> + <ul> + <li><a href="../patterns/new-4-0.html">New in Android 4.0</a></li> + <li><a href="../patterns/gestures.html">Gestures</a></li> + <li><a href="../patterns/app-structure.html">App Structure</a></li> + <li><a href="../patterns/navigation.html">Navigation</a></li> + <li><a href="../patterns/actionbar.html">Action Bar</a></li> + <li><a href="../patterns/multi-pane-layouts.html">Multi-pane Layouts</a></li> + <li><a href="../patterns/swipe-views.html">Swipe Views</a></li> + <li><a href="../patterns/selection.html">Selection</a></li> + <li><a href="../patterns/notifications.html">Notifications</a></li> + <li><a href="../patterns/compatibility.html">Compatibility</a></li> + <li><a href="../patterns/pure-android.html">Pure Android</a></li> + </ul> + </li> + + <li class="nav-section"> + <div class="nav-section-header"><a href="../building-blocks/index.html">Building Blocks</a></div> + <ul> + <li><a href="../building-blocks/tabs.html">Tabs</a></li> + <li><a href="../building-blocks/lists.html">Lists</a></li> + <li><a href="../building-blocks/grid-lists.html">Grid Lists</a></li> + <li><a href="../building-blocks/scrolling.html">Scrolling</a></li> + <li><a href="../building-blocks/spinners.html">Spinners</a></li> + <li><a href="../building-blocks/buttons.html">Buttons</a></li> + <li><a href="../building-blocks/text-fields.html">Text Fields</a></li> + <li><a href="../building-blocks/seek-bars.html">Seek Bars</a></li> + <li><a href="../building-blocks/progress.html">Progress & Activity</a></li> + <li><a href="../building-blocks/switches.html">Switches</a></li> + <li><a href="../building-blocks/dialogs.html">Dialogs</a></li> + <li><a href="../building-blocks/pickers.html">Pickers</a></li> + </ul> + </li> + + <li> + <div id="back-dac-section"><a href="../../index.html">Developers</a></div> + </li> + + </ul> + + <div id="content"> + + + <div class="layout-content-row content-header"> + <div class="layout-content-col span-9"> + <h2>Selection</h2> + </div> + <div class="paging-links layout-content-col span-4"> + <a href="#" class="prev-page-link">Previous</a> + <a href="#" class="next-page-link">Next</a> + </div> + </div> + + + + +<p>Android 3.0 introduced the <em>long press</em> gesture—that is, a touch that's held in the same +position for a moment—as 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="../static/content/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 (CAB)</h4> +<p>The selection 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="../static/content/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="../static/content/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="../static/content/selection_adjusting_actions.png"> + <div class="figure-caption"> + Adjusting actions in the CAB as additional items are selected. + </div> + + </div> +</div> + +<h2>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> + + + + + <div class="layout-content-row content-footer"> + <div class="paging-links layout-content-col span-9"> </div> + <div class="paging-links layout-content-col span-4"> + <a href="#" class="prev-page-link">Previous</a> + <a href="#" class="next-page-link">Next</a> + </div> + </div> + + </div> + + </div> + + <div id="page-footer"> + + <p id="copyright"> + Except as noted, this content is licensed under + <a href="http://creativecommons.org/licenses/by/2.5/"> + Creative Commons Attribution 2.5</a>.<br> + For details and restrictions, see the + <a href="http://developer.android.com/license.html">Content License</a>. + </p> + + <p> + <a href="http://www.android.com/terms.html">Site Terms of Service</a> – + <a href="http://www.android.com/privacy.html">Privacy Policy</a> – + <a href="http://www.android.com/branding.html">Brand Guidelines</a> + </p> + + </div> + </div> + + <script src="../static/jquery-1.6.2.min.js"></script> + <script> + var SITE_ROOT = '../'; + </script> + <script src="../static/default.js"></script> + + + <script type="text/javascript"> + var gaJsHost = (("https:" == document.location.protocol) ? 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