266 lines
10 KiB
HTML
266 lines
10 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<title>
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Android Design - Dialogs
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</title>
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<link rel="shortcut icon" type="image/x-icon" href="/favicon.ico">
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<link rel="stylesheet" href="http://fonts.googleapis.com/css?family=Roboto:regular,medium,thin,italic,mediumitalic">
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<link rel="stylesheet" href="../static/yui-3.3.0-reset-min.css">
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</head>
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<body>
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<div id="page-container">
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<div id="page-header"><a href="../index.html">Android Design</a></div>
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<li class="nav-section">
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<div class="nav-section-header"><a href="../index.html">Get Started</a></div>
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<ul>
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<li><a href="../get-started/creative-vision.html">Creative Vision</a></li>
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<li><a href="../get-started/principles.html">Design Principles</a></li>
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<li><a href="../get-started/ui-overview.html">UI Overview</a></li>
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<div class="nav-section-header"><a href="../style/index.html">Style</a></div>
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<li><a href="../style/devices-displays.html">Devices and Displays</a></li>
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<li><a href="../style/themes.html">Themes</a></li>
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<li><a href="../style/metrics-grids.html">Metrics and Grids</a></li>
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<li class="nav-section">
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<div class="nav-section-header"><a href="../patterns/index.html">Patterns</a></div>
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<ul>
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<li><a href="../patterns/new-4-0.html">New in Android 4.0</a></li>
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<li><a href="../patterns/gestures.html">Gestures</a></li>
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<li><a href="../patterns/app-structure.html">App Structure</a></li>
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<li><a href="../patterns/navigation.html">Navigation</a></li>
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<li><a href="../patterns/actionbar.html">Action Bar</a></li>
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<li><a href="../patterns/multi-pane-layouts.html">Multi-pane Layouts</a></li>
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<li><a href="../patterns/swipe-views.html">Swipe Views</a></li>
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<li><a href="../patterns/selection.html">Selection</a></li>
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<li><a href="../patterns/notifications.html">Notifications</a></li>
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<li><a href="../patterns/compatibility.html">Compatibility</a></li>
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<li><a href="../patterns/pure-android.html">Pure Android</a></li>
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</li>
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<li class="nav-section">
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<div class="nav-section-header"><a href="../building-blocks/index.html">Building Blocks</a></div>
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<ul>
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<li><a href="../building-blocks/tabs.html">Tabs</a></li>
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<li><a href="../building-blocks/lists.html">Lists</a></li>
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<li><a href="../building-blocks/grid-lists.html">Grid Lists</a></li>
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<li><a href="../building-blocks/scrolling.html">Scrolling</a></li>
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<li><a href="../building-blocks/spinners.html">Spinners</a></li>
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<li><a href="../building-blocks/buttons.html">Buttons</a></li>
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<li><a href="../building-blocks/text-fields.html">Text Fields</a></li>
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<li><a href="../building-blocks/seek-bars.html">Seek Bars</a></li>
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<li><a href="../building-blocks/progress.html">Progress & Activity</a></li>
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<li><a href="../building-blocks/switches.html">Switches</a></li>
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<li><a href="../building-blocks/dialogs.html">Dialogs</a></li>
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<li><a href="../building-blocks/pickers.html">Pickers</a></li>
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<li>
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<div id="back-dac-section"><a href="../../index.html" target="_blank">Developers</a></div>
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</ul>
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<div id="content">
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<div class="layout-content-row content-header">
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<div class="layout-content-col span-9">
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<h2>Dialogs</h2>
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</div>
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<div class="paging-links layout-content-col span-4">
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<a href="#" class="prev-page-link">Previous</a>
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<a href="#" class="next-page-link">Next</a>
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</div>
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</div>
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<p>Dialogs prompt the user for decisions or additional information required by the app to continue a
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task. Such requests can range from simple Cancel/OK decisions to more complex layouts asking the
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user to adjust settings or enter text.</p>
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<img src="../static/content/dialogs_main.png">
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<div class="with-callouts">
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<ol>
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<li>
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<h4>Optional title region</h4>
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<p>The title introduces the content of your dialog. It can, for example, identify the name of a
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setting that the user is about to change, or request a decision.</p>
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</li>
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<li>
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<h4>Content area</h4>
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<p>Dialog content varies widely. For settings dialogs, a dialog may contain UI elements such as
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sliders, text fields, checkboxes, or radio buttons that allow the user to change app or system
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settings. In other cases, such as alerts, the content may consist solely of text that provides
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further context for a user decision.</p>
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</li>
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<li>
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<h4>Action buttons</h4>
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<p>Action buttons are typically Cancel and/or OK, with OK indicating the preferred or most likely
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action. However, if the options consist of specific actions such as Close or Wait rather than
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a confirmation or cancellation of the action described in the content, then all the buttons
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should be active verbs. As a rule, the dismissive action of a dialog is always on the left
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whereas the affirmative actions are on the right.</p>
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</li>
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</ol>
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</div>
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<img src="../static/content/dialogs_examples.png">
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<div class="figure-caption">
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Samples of typical dialog use in Android.
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</div>
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<h2 id="alerts">Alerts</h2>
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<p>Alerts inform the user about a situation that requires their confirmation or acknowledgement before
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proceeding. They differ slightly in appearance based upon the severity and impact of the message
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conveyed.</p>
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<div class="layout-content-row">
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<div class="layout-content-col span-8">
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<img src="../static/content/dialogs_w_no_title.png">
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</div>
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<div class="layout-content-col span-5">
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<h4>Alerts without title bars</h4>
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<p>Most alerts don't need titles. Usually the decision doesn't have a severe impact and can be summed
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up succinctly in a sentence or two. The content area should either ask a question (such as "Delete
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this conversation?") or make a clear statement whose relationship to the action buttons is obvious.</p>
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</div>
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</div>
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<div class="layout-content-row">
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<div class="layout-content-col span-8">
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<img src="../static/content/dialogs_w_title.png">
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</div>
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<div class="layout-content-col span-5">
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<h4>Alerts with title bars</h4>
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<p>Use alerts with title bars sparingly. They are appropriate only when a high-risk operation involving
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potential loss of data, connectivity, extra charges, and so on requires a clear question or
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statement (the title) and some additional explanation (in the content area).</p>
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<p>Keep the question or statement short: for example, "Erase USB storage?" Avoid apologies. A user
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should be able to skip the content completely and still have a clear idea of what choices are
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available based on the title and the text of the action buttons.</p>
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</div>
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</div>
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<h2 id="popups">Popups</h2>
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<p>Popups are lightweight version of dialogs that require a single selection from the user. Popups
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don't have have explicit buttons that accept or cancel the operation. Instead, making a selection
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advances the workflow, and simply touching outside the popup dismisses it.</p>
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<img src="../static/content/dialogs_popups_example.png">
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<h2 id="toasts">Toasts</h2>
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<div class="layout-content-row">
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<div class="layout-content-col span-6">
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<div class="vspace size-6"></div>
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<p>Toasts provide lightweight feedback about an operation in a small popup. For example, navigating
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away from an email before you send it triggers a "Draft saved" toast to let you know that you can
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continue editing later. Toasts automatically disappear after a timeout.</p>
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</div>
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<div class="layout-content-col span-7">
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<img src="../static/content/dialogs_toasts.png">
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</div>
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</div>
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<div class="layout-content-row content-footer">
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<div class="paging-links layout-content-col span-9"> </div>
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<div class="paging-links layout-content-col span-4">
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<a href="#" class="prev-page-link">Previous</a>
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<a href="#" class="next-page-link">Next</a>
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</div>
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</div>
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</div>
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<div id="page-footer">
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<p id="copyright">
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Except as noted, this content is licensed under
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<a href="http://creativecommons.org/licenses/by/2.5/" target="_blank">
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Creative Commons Attribution 2.5</a>.<br>
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For details and restrictions, see the
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<a href="http://developer.android.com/license.html" target="_blank">Content License</a>.
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</p>
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