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am 8125b0b4: am dcc910ea: Merge "docs: fix bug 5878445" into ics-mr1

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* commit '8125b0b4343b7f480196ce73103ca00cdf64f9e5':
  docs: fix bug 5878445
This commit is contained in:
Robert Ly
2012-03-01 12:47:44 -08:00
committed by Android Git Automerger
parent efa4943952 8125b0b434
commit b4afb9a89e
2 changed files with 11 additions and 8 deletions
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7
docs/html/guide/topics/graphics/hardware-accel.jd
View File

@ -42,19 +42,20 @@ parent.link=index.html
<li><a href="{@docRoot}guide/topics/graphics/opengl.html">OpenGL with the Framework <li><a href="{@docRoot}guide/topics/graphics/opengl.html">OpenGL with the Framework
APIs</a></li> APIs</a></li>
<li><a href="{@docRoot}guide/topics/renderscript/index.html">RenderScript</a></li> <li><a href="{@docRoot}guide/topics/renderscript/index.html">Renderscript</a></li>
</ol> </ol>
</div> </div>
</div> </div>
<p>Beginning in Android 3.0 (API level 11), the Android 2D rendering pipeline is designed to <p>Beginning in Android 3.0 (API level 11), the Android 2D rendering pipeline is designed to
better support hardware acceleration. Hardware acceleration carries out all drawing operations better support hardware acceleration. Hardware acceleration carries out all drawing operations
that are performed on a {@link android.view.View}'s canvas using the GPU.</p> that are performed on a {@link android.view.View}'s canvas using the GPU. Because of the
increased resources required to enable hardware acceleration, your app will consume more RAM.</p>
<p>The easiest way to enable hardware acceleration is to turn it on <p>The easiest way to enable hardware acceleration is to turn it on
globally for your entire application. If your application uses only standard views and {@link globally for your entire application. If your application uses only standard views and {@link
android.graphics.drawable.Drawable}s, turning it on globally should not cause any adverse android.graphics.drawable.Drawable}s, turning it on globally should not cause any adverse
effects. However, because hardware acceleration is not supported for all of the 2D drawing drawing effects. However, because hardware acceleration is not supported for all of the 2D drawing
operations, turning it on might affect some of your applications that use custom views or drawing operations, turning it on might affect some of your applications that use custom views or drawing
calls. Problems usually manifest themselves as invisible elements, exceptions, or wrongly calls. Problems usually manifest themselves as invisible elements, exceptions, or wrongly
rendered pixels. To remedy this, Android gives you the option to enable or disable hardware rendered pixels. To remedy this, Android gives you the option to enable or disable hardware

12
docs/html/guide/topics/manifest/activity-element.jd
View File

@ -307,7 +307,7 @@ attribute).
<dd>Whether or not an existing instance of the activity should be shut down <dd>Whether or not an existing instance of the activity should be shut down
(finished) whenever the user again launches its task (chooses the task on the (finished) whenever the user again launches its task (chooses the task on the
home screen) &mdash; "{@code true}" if it should be shut down, and "{@code false}" home screen) &mdash; "{@code true}" if it should be shut down, and "{@code false}"
if not. The default value is "{@code false}". if not. The default value is "{@code false}".
<p> <p>
If this attribute and If this attribute and
@ -321,13 +321,15 @@ activity is ignored. The activity is not re-parented, but destroyed.
Activity &mdash; "{@code true}" if it should be enabled, and "{@code false}" if Activity &mdash; "{@code true}" if it should be enabled, and "{@code false}" if
not. The default value is "{@code false}". not. The default value is "{@code false}".
<p>Starting from Android 3.0, a hardware-accelerated OpenGL renderer is <p>Starting from Android 3.0, a hardware-accelerated OpenGL renderer is
available to applications, to improve performance for many common 2D graphics available to applications, to improve performance for many common 2D graphics
operations. When the hardware-accelerated renderer is enabled, most operations operations. When the hardware-accelerated renderer is enabled, most operations
in Canvas, Paint, Xfermode, ColorFilter, Shader, and Camera are accelerated. in Canvas, Paint, Xfermode, ColorFilter, Shader, and Camera are accelerated.
This results in smoother animations, smoother scrolling, and improved This results in smoother animations, smoother scrolling, and improved
responsiveness overall, even for applications that do not explicitly make use responsiveness overall, even for applications that do not explicitly make use
the framework's OpenGL libraries. </p> the framework's OpenGL libraries. Because of the increased resources required to
enable hardware acceleration, your app will consume more RAM.</p>
<p>Note that not all of the OpenGL 2D operations are accelerated. If you enable <p>Note that not all of the OpenGL 2D operations are accelerated. If you enable
the hardware-accelerated renderer, test your application to ensure that it can the hardware-accelerated renderer, test your application to ensure that it can
@ -587,9 +589,9 @@ Permissions</a>.
</p></dd> </p></dd>
<dt><a name="proc"></a>{@code android:process}</dt> <dt><a name="proc"></a>{@code android:process}</dt>
<dd>The name of the process in which the activity should run. Normally, <dd>The name of the process in which the activity should run. Normally,
all components of an application run in the default process created for the all components of an application run in the default process created for the
application. It has the same name as the application package. The <code><a href="{@docRoot}guide/topics/manifest/application-element.html">&lt;application&gt;</a></code> element's application. It has the same name as the application package. The <code><a href="{@docRoot}guide/topics/manifest/application-element.html">&lt;application&gt;</a></code> element's
<code><a href="{@docRoot}guide/topics/manifest/application-element.html#proc">process</a></code> <code><a href="{@docRoot}guide/topics/manifest/application-element.html#proc">process</a></code>
attribute can set a different default for all components. But each component attribute can set a different default for all components. But each component
can override the default, allowing you to spread your application across can override the default, allowing you to spread your application across
@ -706,7 +708,7 @@ activity started for the first time.
A "{@code true}" setting ensures that the activity can be restarted in the A "{@code true}" setting ensures that the activity can be restarted in the
absence of retained state. For example, the activity that displays the absence of retained state. For example, the activity that displays the
home screen uses this setting to make sure that it does not get removed if it home screen uses this setting to make sure that it does not get removed if it
crashes for some reason. crashes for some reason.
</p></dd> </p></dd>
<dt><a name="aff"></a>{@code android:taskAffinity}</dt> <dt><a name="aff"></a>{@code android:taskAffinity}</dt>