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diff --git a/docs/html/sdk/preview/features.jd b/docs/html/sdk/preview/features.jd index 81b4ff6..55d0f8d 100644 --- a/docs/html/sdk/preview/features.jd +++ b/docs/html/sdk/preview/features.jd @@ -1,4 +1,185 @@ -sdk.redirect=true - +page.title=Introduction to Honeycomb @jd:body +<p>Welcome to the Honeycomb preview SDK. Honeycomb is the next major release of the Android +platform and is optimized for tablet devices. This document provides an introduction to the new +platform features and APIs available in Honeycomb.</p> + + +<h2>Fragments</h2> + +<div class="figure" style="width:400px"> + <img src="{@docRoot}images/preview_hc/fragments_layout.png" alt="" /> + <p class="img-caption"><strong>Fragment Layout.</strong> An activity with two +fragments: one with a list view, on the left, and one that displays selected content on the +right. This demo is available in the samples package.</p> +</div> + + +<p>A new framework component that allows you to separate distinct elements of an activity into +self-contained modules that define their own UI and lifecycle—defining what may be +considered "sub-activities".</p> +<ul> + <li>Multiple fragments can be combined in a single activity to build a multi-pane UI in which +each pane manages its own lifecycle and user inputs</li> + <li>Fragments are self-contained and can be reused in multiple activities</li> + <li>Fragments can be added, removed, replaced and animated inside the activity</li> + <li>Fragment can be added to a back stack managed by the activity, preserving the state of +fragments as they are changed and allowing the user to navigate backward through the different +states</li> + <li>By <a +href="{@docRoot}guide/topics/resources/providing-resources.html#AlternativeResources">providing +alternative resources</a>, you can mix and match fragments, based +on the screen size and orientation</li> + <li>Fragments have direct access to their container activity and can contribute items to the +activity's Options Menu</li> +</ul> + +<p>For more information, see the <a +href="{@docRoot}guide/topics/fragments/index.html">Fragments</a> developer guide.</p> + + +<h2>Action Bar</h2> + +<p>A replacement for the traditional title bar, which provides users quick access to global +actions and different navigation modes.</p> +<ul> + <li>Provides quick access to items from the Options Menu ("action items") and interactive +widgets ("action views")</li> + <li>Includes the application logo in the left corner, which can perform actions when tapped +and can be replaced with a custom logo</li> + <li>Provides breadcumbs for navigating backward through fragments</li> + <li>Offers built in navigation modes, including tabs and a drop-down list</li> + <li>Can be customized with themes and custom backgrounds</li> + <li>And more</li> +</ul> + +<img src="{@docRoot}images/preview_hc/actionbar.png" alt="" /> +<p class="img-caption"><strong>Action Bar.</strong> An action bar with a custom logo, +tabs, and Options Menu. This demo is available in the samples package.</p> + +<p>For more information, see the <a +href="{@docRoot}guide/topics/ui/actionbar.html">Action Bar</a> developer guide.</p> + + +<h2>System Clipboard</h2> + +<p>Applications can copy and paste data (beyond mere text) to and from the system-wide +clipboard.</p> + +<ul> + <li>Clipped data can be plain text, a URI, or an intent</li> + <li>The new {@link android.content.ClipData} class represents a complex data type for the +clipboard</li> + <li>The new {@link android.content.ClipboardManager} class allows apps to add {@link +android.content.ClipData} to the clipboard (copy) and read {@link +android.content.ClipData} from the clipboard (paste)</li> + <li>The {@link android.content.ContentProvider} class has been extended to generate byte +streams based on data types added to the clipboard and point to data hosted in a +content provider</li> +</ul> + +<p>See {@link android.content.ClipData} and {@link android.content.ClipboardManager} +for more information. You can also see an example implementation of copy/paste in an updated +version of the NotePad application (available in the samples package).</p> + + +<h2>Drag and Drop</h2> + +<p>New APIs to perform drag and drop operations, leveraging the system clipboard APIs to +transport data.</p> + +<ul> + <li>Any {@link android.view.View} can be used for a drag and drop event and a thumbnail of that +view is generated and used during the drag</li> + <li>{@link android.view.ViewGroup}s that can receive the object are notified during hover and drop +events</li> + <li>The new {@link android.view.DragEvent} class describes a drag event relating to a view, +including the item's current coordinates, the type of action (whether the drag has entered the +view, exited the view, started, dropped, etc.), and provides access to the {@link +android.content.ClipData} being carried</li> + <li>The new {@link android.view.View.OnDragListener} interface defines a callback that views +can register in order to be notified of drag events being dispatched to the view; view's can +register a drag listener with {@link android.view.View#setOnDragListener setOnDragListener()}</li> +</ul> + +<p>See {@link android.view.DragEvent} and {@link android.view.View.OnDragListener} for more +information.</p> + + +<h2>New Animations</h2> + +<p>An all new animation framework.</p> + +<ul> + <li>A flexible animation system that allows you to animate the properties of any object (View, +Drawable, Fragment, Object, anything)</li> +</ul> + +<p>See the {@link android.animation} package.</p> + + +<h2>Extended App Widgets</h2> + +<p>App widgets can now be more interactive and accept finger gestures.</p> + +<ul> + <li>The complete list of supported widgets for an app widget is now: {@link +android.widget.AnalogClock}, {@link android.widget.Button}, {@link android.widget.Chronometer}, +{@link android.widget.ImageButton}, {@link android.widget.ImageView}, {@link +android.widget.ProgressBar}, {@link android.widget.TextView}, {@link +android.widget.ViewFlipper}, {@link android.widget.AdapterViewFlipper}, {@link +android.widget.StackView}, {@link android.widget.ListView}, and {@link +android.widget.GridView}.</li> +</ul> + + +<h2>Extended Status Bar Notifications</h2> + +<p>The {@link android.app.Notification} class has been extended to support more content-rich +status bar notifications when on xlarge screens.</p> + +<ul> + <li>New {@link android.app.Notification.Builder} class helps you easily create new {@link +android.app.Notification} objects</li> + <li>Support for a title in the status bar ticker (in addition to the normal ticker text)</li> + <li>Support for a large "sender" icon in the notification—a second icon intended for +social applications to show the contact photo of the person who is the source of the +notification</li> + <li>Support for custom layouts in the status bar ticker</li> + <li>Support for buttons in the expanded notification that deliver custom intents +(such as to control ongoing music in the background)</li> +</ul> + + +<h2>Plus Android 2.3</h2> + +<p>Honeycomb includes all platform changes introduced for Android 2.3.</p> + +<p>To take full advantage of Honeycomb, you should also be aware of the new features +and APIs introduced for Android 2.3. To learn more, read the <a +href="{@docRoot}sdk/android-2.3.html">Android 2.3 release notes</a>.</p> + +<div class="special"> +<p>To set up your preview SDK and start developing apps for Honeycomb, see the <a +href="{@docRoot}sdk/preview/installing.html">Getting Started</a> guide.</p> +</div> + + + + + + + + + + + + + + + + + + + |