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	<title>Flexponential &#187; spark</title>
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	<link>http://flexponential.com</link>
	<description>Programming under the influence of Flex</description>
	<lastBuildDate>Thu, 10 Nov 2011 18:44:53 +0000</lastBuildDate>
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		<title>AccordionList with Expanding Item Renderers</title>
		<link>http://flexponential.com/2011/11/10/accordionlist-with-expanding-item-renderers/</link>
		<comments>http://flexponential.com/2011/11/10/accordionlist-with-expanding-item-renderers/#comments</comments>
		<pubDate>Thu, 10 Nov 2011 18:44:53 +0000</pubDate>
		<dc:creator>Jason Szeto</dc:creator>
				<category><![CDATA[Flex 4.5]]></category>
		<category><![CDATA[Accordion]]></category>
		<category><![CDATA[custom item renderer]]></category>
		<category><![CDATA[Flex Mobile]]></category>
		<category><![CDATA[ItemRenderer]]></category>
		<category><![CDATA[List]]></category>
		<category><![CDATA[resize]]></category>
		<category><![CDATA[scrolling]]></category>
		<category><![CDATA[spark]]></category>
		<category><![CDATA[verticalScrollPosition]]></category>

		<guid isPermaLink="false">http://flexponential.com/?p=1229</guid>
		<description><![CDATA[A common use for a List is the master/detail UI pattern. When the user clicks on an item, it expands, revealing more detail about the item. Previously we&#8217;ve shown an example of a List with expanding item renderer. This post demonstrates a similar idea except will scroll items into view as they expand. The AccordionList [...]]]></description>
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		<slash:comments>3</slash:comments>
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		<title>orientation and deviceOrientation in Flex Mobile apps</title>
		<link>http://flexponential.com/2011/11/06/orientation-and-deviceorientation-in-flex-mobile-apps/</link>
		<comments>http://flexponential.com/2011/11/06/orientation-and-deviceorientation-in-flex-mobile-apps/#comments</comments>
		<pubDate>Sun, 06 Nov 2011 16:00:23 +0000</pubDate>
		<dc:creator>Tom Kraikit</dc:creator>
				<category><![CDATA[Flex Mobile]]></category>
		<category><![CDATA[orientation]]></category>
		<category><![CDATA[spark]]></category>

		<guid isPermaLink="false">http://flexponential.com/?p=1141</guid>
		<description><![CDATA[So you want to build a mobile app and tap into the 30+ billion app downloads that are estimated to happen in the next 5 years? Well, one of the first things you&#8217;ll have to think about is screen orientation: unlike in a desktop application, the user can rotate the screen through portrait and landscape [...]]]></description>
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		<slash:comments>3</slash:comments>
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		<title>Changing fontWeight of Spark DataGrid headers</title>
		<link>http://flexponential.com/2011/10/30/changing-fontweight-of-spark-datagrid-headers/</link>
		<comments>http://flexponential.com/2011/10/30/changing-fontweight-of-spark-datagrid-headers/#comments</comments>
		<pubDate>Sun, 30 Oct 2011 16:00:38 +0000</pubDate>
		<dc:creator>Kevin Lin</dc:creator>
				<category><![CDATA[Flex 4.5]]></category>
		<category><![CDATA[DataGrid]]></category>
		<category><![CDATA[fontWeight]]></category>
		<category><![CDATA[headerRenderer]]></category>
		<category><![CDATA[skinning]]></category>
		<category><![CDATA[spark]]></category>
		<category><![CDATA[spark skins]]></category>

		<guid isPermaLink="false">http://flexponential.com/?p=947</guid>
		<description><![CDATA[In Flex 4.5, we introduced the Spark version of DataGrid, which provides a vastly improved skinning experience. Unfortunately, a more flexible skin also means less tweaking through styles. One example is the DataGrid&#8217;s header&#8217;s label. By default, the &#8220;fontWeight&#8221; style is hard-coded to bold, along with some other text styles. Luckily, we&#8217;ve provided a relatively [...]]]></description>
		<wfw:commentRss>http://flexponential.com/2011/10/30/changing-fontweight-of-spark-datagrid-headers/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
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		<item>
		<title>Customizing Spark DataGrid row and column separators</title>
		<link>http://flexponential.com/2011/10/26/customizing-spark-datagrid-row-and-column-separators/</link>
		<comments>http://flexponential.com/2011/10/26/customizing-spark-datagrid-row-and-column-separators/#comments</comments>
		<pubDate>Wed, 26 Oct 2011 13:00:24 +0000</pubDate>
		<dc:creator>Kevin Lin</dc:creator>
				<category><![CDATA[Flex 4.5]]></category>
		<category><![CDATA[DataGrid]]></category>
		<category><![CDATA[skinning]]></category>
		<category><![CDATA[spark]]></category>
		<category><![CDATA[spark skins]]></category>

		<guid isPermaLink="false">http://flexponential.com/?p=1063</guid>
		<description><![CDATA[In Flex 4.5, we introduced the Spark version of DataGrid, which provides a vastly improved skinning experience. Spark DataGrid has a multitude of skin parts that can be customized and tweaked through its skin. These include the row backgrounds, row separators, column separators, selection indicators, caret indicator, hover indicator, etc&#8230; (see DataGrid Documentation). This post [...]]]></description>
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		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>Performance-Tuning Mobile Flex Applications</title>
		<link>http://flexponential.com/2011/10/05/performance-tuning-mobile-flex-applications/</link>
		<comments>http://flexponential.com/2011/10/05/performance-tuning-mobile-flex-applications/#comments</comments>
		<pubDate>Wed, 05 Oct 2011 20:18:59 +0000</pubDate>
		<dc:creator>Steven Shongrunden</dc:creator>
				<category><![CDATA[Flex Mobile]]></category>
		<category><![CDATA[performance]]></category>
		<category><![CDATA[spark]]></category>

		<guid isPermaLink="false">http://flexponential.com/?p=1033</guid>
		<description><![CDATA[Evtim and I gave a presentation at Adobe MAX this year that discusses some simple tips for optimizing the performance of item renderers and Views in mobile Flex applications. This session was inspired by our last talk at 360 Flex Denver. The first half is very similar, but the second half has some new content [...]]]></description>
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		<slash:comments>11</slash:comments>
		</item>
		<item>
		<title>Controlling scroll bar visibility in a mobile Scroller</title>
		<link>http://flexponential.com/2011/07/30/controlling-scroll-bar-visibility-in-a-mobile-scroller/</link>
		<comments>http://flexponential.com/2011/07/30/controlling-scroll-bar-visibility-in-a-mobile-scroller/#comments</comments>
		<pubDate>Sun, 31 Jul 2011 04:31:15 +0000</pubDate>
		<dc:creator>Steven Shongrunden</dc:creator>
				<category><![CDATA[Flex Mobile]]></category>
		<category><![CDATA[HScrollBar]]></category>
		<category><![CDATA[Scroller]]></category>
		<category><![CDATA[spark]]></category>
		<category><![CDATA[VScrollBar]]></category>

		<guid isPermaLink="false">http://flexponential.com/?p=821</guid>
		<description><![CDATA[The default behavior of scroll bars in a mobile Scroller is to always hide the scrollbars unless a touch scrolling operation is in effect. This post demonstrates how to customize this behavior so that the scroll bars are always visible. It also demonstrates how to have scrollbars automatically appear at startup then fade away after [...]]]></description>
		<wfw:commentRss>http://flexponential.com/2011/07/30/controlling-scroll-bar-visibility-in-a-mobile-scroller/feed/</wfw:commentRss>
		<slash:comments>12</slash:comments>
		</item>
		<item>
		<title>Extending LabelItemRenderer to look like iTunes on the iPad</title>
		<link>http://flexponential.com/2011/06/27/extending-labelitemrenderer-to-look-like-itunes-on-the-ipad/</link>
		<comments>http://flexponential.com/2011/06/27/extending-labelitemrenderer-to-look-like-itunes-on-the-ipad/#comments</comments>
		<pubDate>Mon, 27 Jun 2011 18:08:22 +0000</pubDate>
		<dc:creator>Steven Shongrunden</dc:creator>
				<category><![CDATA[Flex Mobile]]></category>
		<category><![CDATA[drawBackground]]></category>
		<category><![CDATA[IconItemRenderer]]></category>
		<category><![CDATA[LabelItemRenderer]]></category>
		<category><![CDATA[layoutContents]]></category>
		<category><![CDATA[spark]]></category>

		<guid isPermaLink="false">http://flexponential.com/?p=919</guid>
		<description><![CDATA[The native iTunes application on iPad has a nice two column item renderer to display song titles and artist names. This post demonstrates how to extend the spark LabelItemRenderer component to achieve this functionality in Flex. This was my general approach: override set data to decide whether a renderer is a heading or not override [...]]]></description>
		<wfw:commentRss>http://flexponential.com/2011/06/27/extending-labelitemrenderer-to-look-like-itunes-on-the-ipad/feed/</wfw:commentRss>
		<slash:comments>11</slash:comments>
		</item>
		<item>
		<title>Using drag and drop with a spark List in a mobile Flex application</title>
		<link>http://flexponential.com/2011/06/21/using-drag-and-drop-with-a-spark-list-in-a-mobile-flex-application/</link>
		<comments>http://flexponential.com/2011/06/21/using-drag-and-drop-with-a-spark-list-in-a-mobile-flex-application/#comments</comments>
		<pubDate>Wed, 22 Jun 2011 05:25:56 +0000</pubDate>
		<dc:creator>Steven Shongrunden</dc:creator>
				<category><![CDATA[Flex Mobile]]></category>
		<category><![CDATA[IconItemRenderer]]></category>
		<category><![CDATA[List]]></category>
		<category><![CDATA[spark]]></category>

		<guid isPermaLink="false">http://flexponential.com/?p=890</guid>
		<description><![CDATA[In a mobile Flex project the default interactionMode is touch. When in this mode drag and drop functionality on the spark List is not supported. This post demonstrates a workaround for adding drag and drop support to your mobile Lists by subclassing IconItemRenderer and dynamically changing the interactionMode on the fly. The approach I took [...]]]></description>
		<wfw:commentRss>http://flexponential.com/2011/06/21/using-drag-and-drop-with-a-spark-list-in-a-mobile-flex-application/feed/</wfw:commentRss>
		<slash:comments>6</slash:comments>
		</item>
		<item>
		<title>Flex Performance Tips &amp; Tricks</title>
		<link>http://flexponential.com/2011/04/20/flex-performance-tips-tricks/</link>
		<comments>http://flexponential.com/2011/04/20/flex-performance-tips-tricks/#comments</comments>
		<pubDate>Wed, 20 Apr 2011 21:17:52 +0000</pubDate>
		<dc:creator>Steven Shongrunden</dc:creator>
				<category><![CDATA[Flex Mobile]]></category>
		<category><![CDATA[Flex 4.5]]></category>
		<category><![CDATA[FXG]]></category>
		<category><![CDATA[ItemRenderer]]></category>
		<category><![CDATA[performance]]></category>
		<category><![CDATA[skinning]]></category>
		<category><![CDATA[spark]]></category>

		<guid isPermaLink="false">http://flexponential.com/?p=869</guid>
		<description><![CDATA[Evtim and I gave a presentation at 360Flex Denver this year about optimizing performance of item renderers and skins in Flex 4.5 applications. NOTE: The latest version of this presentation was given at Adobe MAX 2011 and is available here. A short summary: Join Flex engineers, Evtim Georgiev and Steve Shongrunden, as they highlight performance [...]]]></description>
		<wfw:commentRss>http://flexponential.com/2011/04/20/flex-performance-tips-tricks/feed/</wfw:commentRss>
		<slash:comments>15</slash:comments>
		</item>
		<item>
		<title>Scrolling to the bottom of a spark List</title>
		<link>http://flexponential.com/2011/02/13/scrolling-to-the-bottom-of-a-spark-list/</link>
		<comments>http://flexponential.com/2011/02/13/scrolling-to-the-bottom-of-a-spark-list/#comments</comments>
		<pubDate>Mon, 14 Feb 2011 05:44:53 +0000</pubDate>
		<dc:creator>Steven Shongrunden</dc:creator>
				<category><![CDATA[Flex 4]]></category>
		<category><![CDATA[getVerticalScrollPositionDelta]]></category>
		<category><![CDATA[List]]></category>
		<category><![CDATA[spark]]></category>
		<category><![CDATA[verticalScrollPosition]]></category>

		<guid isPermaLink="false">http://flexponential.com/?p=678</guid>
		<description><![CDATA[Scrolling to the bottom of a spark List after adding an item can be a little tricky especially when adding multiline text. This post demonstrates how to do it using a chat pod as a sample use case. This example validates the List then tries to scroll to the end using the getVerticalScrollPositionDelta() method on [...]]]></description>
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		<slash:comments>8</slash:comments>
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