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	<title>Mobile Developer Tips</title>
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	<link>http://MobileDeveloperTips.com</link>
	<description>iOS and Objective-C Tips, Tricks and Tutorials.</description>
	<lastBuildDate>Mon, 21 May 2012 06:36:37 +0000</lastBuildDate>
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		<title>Convert Signed Or Unsigned Integers To Binary In NSString</title>
		<link>http://MobileDeveloperTips.com/objective-c/convert-signed-or-unsigned-integers-to-binary-in-nsstring.html</link>
		<comments>http://MobileDeveloperTips.com/objective-c/convert-signed-or-unsigned-integers-to-binary-in-nsstring.html#comments</comments>
		<pubDate>Mon, 21 May 2012 06:36:37 +0000</pubDate>
		<dc:creator>John Muchow</dc:creator>
				<category><![CDATA[Objective-C]]></category>

		<guid isPermaLink="false">http://MobileDeveloperTips.com/?p=11760</guid>
		<description><![CDATA[The code below shows how to convert an integer, either signed or unsigned, into a binary value that is stored in an NSString object. The trick is get the number of bits (sizeof times 8 bits per byte), and for each bit, determine if it is a 1 or 0. Notice the number passed into [...]
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<li><a href='http://MobileDeveloperTips.com/c/converting-between-c-and-objective-c-strings.html' rel='bookmark' title='Converting Between C and Objective-C Strings (NSString)'>Converting Between C and Objective-C Strings (NSString)</a></li>
<li><a href='http://MobileDeveloperTips.com/cocoa/compare-nsstrings-objects.html' rel='bookmark' title='Compare NSString Objects (Updated)'>Compare NSString Objects (Updated)</a></li>
<li><a href='http://MobileDeveloperTips.com/cocoa/nsrange-and-nsstring-objects.html' rel='bookmark' title='NSRange and NSString Objects'>NSRange and NSString Objects</a></li>
</ol>]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Sort A Dictionary By Value Of Each Key-Value Pair</title>
		<link>http://MobileDeveloperTips.com/data-file-management/sort-a-dictionary-using-the-value-in-key-value-pair.html</link>
		<comments>http://MobileDeveloperTips.com/data-file-management/sort-a-dictionary-using-the-value-in-key-value-pair.html#comments</comments>
		<pubDate>Wed, 16 May 2012 08:30:07 +0000</pubDate>
		<dc:creator>John Muchow</dc:creator>
				<category><![CDATA[Data / File Management]]></category>

		<guid isPermaLink="false">http://MobileDeveloperTips.com/?p=11734</guid>
		<description><![CDATA[You can sort the values in a dictionary using the method keysSortedByValueUsingSelector:. The result is an array of keys from the dictionary, which represent the sorted values of the key-value pair. Let&#8217;s say for example that you have a dictionary that has key-value pairs with an account name and balance: NSDictionary *dict = &#91;NSDictionary dictionaryWithObjectsAndKeys: [...]
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<li><a href='http://MobileDeveloperTips.com/data-file-management/read-and-write-array-dictionary-and-other-collections-to-files.html' rel='bookmark' title='Read and Write Array, Dictionary and Other Collections to Files'>Read and Write Array, Dictionary and Other Collections to Files</a></li>
<li><a href='http://MobileDeveloperTips.com/data-file-management/add-comma-separators-to-numbers.html' rel='bookmark' title='Add Comma Separators to Numbers'>Add Comma Separators to Numbers</a></li>
<li><a href='http://MobileDeveloperTips.com/objective-c/introduction-to-blocks-in-objective-c-%e2%80%93-part-2.html' rel='bookmark' title='Introduction to Blocks in Objective-C – Part 2'>Introduction to Blocks in Objective-C – Part 2</a></li>
</ol>]]></description>
		<wfw:commentRss>http://MobileDeveloperTips.com/data-file-management/sort-a-dictionary-using-the-value-in-key-value-pair.html/feed</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Add Comma Separators to Numbers</title>
		<link>http://MobileDeveloperTips.com/data-file-management/add-comma-separators-to-numbers.html</link>
		<comments>http://MobileDeveloperTips.com/data-file-management/add-comma-separators-to-numbers.html#comments</comments>
		<pubDate>Mon, 14 May 2012 11:11:55 +0000</pubDate>
		<dc:creator>John Muchow</dc:creator>
				<category><![CDATA[Data / File Management]]></category>

		<guid isPermaLink="false">http://MobileDeveloperTips.com/?p=11715</guid>
		<description><![CDATA[Seems a common question, how can I format a number such as 123456 to look like 123,456? The NSNumberFormatter makes this quite easy. NSNumberFormatter *formatter = &#91;&#91;&#91;NSNumberFormatter alloc&#93; init&#93; autorelease&#93;; &#91;formatter setNumberStyle:NSNumberFormatterDecimalStyle&#93;; &#160; double d = 234567.89; int i = 1234567890; &#160; NSString *strFloat = &#91;formatter stringFromNumber:&#91;NSNumber numberWithDouble:d&#93;&#93;; NSString *strInt = &#91;formatter stringFromNumber:&#91;NSNumber numberWithInt:i&#93;&#93;; &#160; [...]
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<li><a href='http://MobileDeveloperTips.com/cocoa/formatting-numbers-nsnumberformatter-examples.html' rel='bookmark' title='Formatting Numbers &#8211; NSNumberFormatter Examples'>Formatting Numbers &#8211; NSNumberFormatter Examples</a></li>
<li><a href='http://MobileDeveloperTips.com/cocoa/nsnumber-and-nsinteger.html' rel='bookmark' title='NSNumber versus NSInteger'>NSNumber versus NSInteger</a></li>
<li><a href='http://MobileDeveloperTips.com/cocoa/date-formatter-examples-take-4-setting-locale.html' rel='bookmark' title='Date Formatter Examples &#8211; Take 4: Setting Locale'>Date Formatter Examples &#8211; Take 4: Setting Locale</a></li>
</ol>]]></description>
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		<slash:comments>0</slash:comments>
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		<item>
		<title>Should MobileDeveloperTips.com Expand to Include Android?</title>
		<link>http://MobileDeveloperTips.com/general/should-mobiledevelopertips-com-expand-to-include-android.html</link>
		<comments>http://MobileDeveloperTips.com/general/should-mobiledevelopertips-com-expand-to-include-android.html#comments</comments>
		<pubDate>Sat, 12 May 2012 16:30:17 +0000</pubDate>
		<dc:creator>John Muchow</dc:creator>
				<category><![CDATA[General]]></category>

		<guid isPermaLink="false">http://MobileDeveloperTips.com/?p=11706</guid>
		<description><![CDATA[Since August of 2008, this blog (formerly known as iOS Developer Tips) has focused on iOS application development. Long story short, the rename of the blog was to move away from trademarked names in the domain, artwork, etc. One positive side-effect of the name/domain change is the opportunity to expand the site to include Android [...]
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<li><a href='http://MobileDeveloperTips.com/announcements/announcing-iphone-developer-tips-google-group-share-your-tips-and-tricks.html' rel='bookmark' title='Announcing iPhone Developer Tips Google Group: Share Your Tips and Tricks!'>Announcing iPhone Developer Tips Google Group: Share Your Tips and Tricks!</a></li>
<li><a href='http://MobileDeveloperTips.com/general/show-your-support-for-iphonedevelopertips-com.html' rel='bookmark' title='Show Your Support for iPhoneDeveloperTips.com'>Show Your Support for iPhoneDeveloperTips.com</a></li>
</ol>]]></description>
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		<slash:comments>20</slash:comments>
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		<item>
		<title>iOS Open Source : Semi-Modal View</title>
		<link>http://MobileDeveloperTips.com/open-source/ios-open-source-semi-modal-view.html</link>
		<comments>http://MobileDeveloperTips.com/open-source/ios-open-source-semi-modal-view.html#comments</comments>
		<pubDate>Fri, 11 May 2012 07:45:37 +0000</pubDate>
		<dc:creator>John Muchow</dc:creator>
				<category><![CDATA[Open Source]]></category>

		<guid isPermaLink="false">http://MobileDeveloperTips.com/?p=11687</guid>
		<description><![CDATA[Kent Nguyen has created a category that extends UIViewController, displaying another view which partially covers the current view. Take a look at the screenshot below to get an idea of how this looks. The original view (on the top) is partially hidden and the new view on the bottom is modal. The screenshot below demonstrates [...]
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<li><a href='http://MobileDeveloperTips.com/open-source/ios-open-source-mgimageutilities.html' rel='bookmark' title='iOS Open Source : MGImageUtilities'>iOS Open Source : MGImageUtilities</a></li>
<li><a href='http://MobileDeveloperTips.com/open-source/ios-open-source-jmtabview.html' rel='bookmark' title='iOS Open Source :  Custom TabView JMTabView'>iOS Open Source :  Custom TabView JMTabView</a></li>
</ol>]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Volume Control Alert</title>
		<link>http://MobileDeveloperTips.com/audio/volume-control-alert.html</link>
		<comments>http://MobileDeveloperTips.com/audio/volume-control-alert.html#comments</comments>
		<pubDate>Thu, 10 May 2012 09:35:22 +0000</pubDate>
		<dc:creator>John Muchow</dc:creator>
				<category><![CDATA[Audio]]></category>

		<guid isPermaLink="false">http://MobileDeveloperTips.com/?p=11668</guid>
		<description><![CDATA[If you need a quick and dirty volume control, an alert specifically tailored for this purpose is included in the MediaPlayer framework. The alert looks as follows:: To display the alert, adding the following code and include the MediaPlayer framework in your project: #import &#60;MediaPlayer/MediaPlayer.h&#62; &#160; ... &#160; // Show the volume control alert MPVolumeSettingsAlertShow&#40;&#41;; [...]
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<li><a href='http://MobileDeveloperTips.com/user-interface/ios-5-uistepper-control.html' rel='bookmark' title='iOS 5 : UIStepper Control'>iOS 5 : UIStepper Control</a></li>
<li><a href='http://MobileDeveloperTips.com/open-source/ios-open-source-reveal-sidebar-control.html' rel='bookmark' title='iOS Open Source : Reveal Sidebar Control'>iOS Open Source : Reveal Sidebar Control</a></li>
</ol>]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>SaleOrigin &#8211; Tracking From App Campaigns To App Installs</title>
		<link>http://MobileDeveloperTips.com/sponsors/saleorigin-analytics-for-all-aspects-of-your-mobile-app.html</link>
		<comments>http://MobileDeveloperTips.com/sponsors/saleorigin-analytics-for-all-aspects-of-your-mobile-app.html#comments</comments>
		<pubDate>Wed, 09 May 2012 07:11:41 +0000</pubDate>
		<dc:creator>John Muchow</dc:creator>
				<category><![CDATA[Sponsors]]></category>

		<guid isPermaLink="false">http://MobileDeveloperTips.com/?p=11640</guid>
		<description><![CDATA[I&#8217;d like to introduce a new sponsor of Mobile Developer Tips, SaleOrigin. SaleOrigin focuses on tracking how mobile app campaigns leads to installs, and also includes app analytics and app store data. There are many ways to promote applications designed for smartphones: - Your own blog or an affliated website - Ad networks (Google Adwords, [...]
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</ol>]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Get Image Data Including Depth, Color Model, DPI and More</title>
		<link>http://MobileDeveloperTips.com/data-file-management/get-image-data-including-depth-color-model-dpi-and-more.html</link>
		<comments>http://MobileDeveloperTips.com/data-file-management/get-image-data-including-depth-color-model-dpi-and-more.html#comments</comments>
		<pubDate>Tue, 08 May 2012 07:12:51 +0000</pubDate>
		<dc:creator>John Muchow</dc:creator>
				<category><![CDATA[Data / File Management]]></category>

		<guid isPermaLink="false">http://MobileDeveloperTips.com/?p=11604</guid>
		<description><![CDATA[Although you can get some basic information if you load an image into a UIImage object, at times it can be helpful to more about an image, for example, the color model (RGB, CMYK, Gray&#8230;), resolution in dots-per-inch (DPI), etc. One way to gather such information is through a CGImageSource object. Often times this object [...]
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<li><a href='http://MobileDeveloperTips.com/graphics/convert-an-image-uiimage-to-grayscale.html' rel='bookmark' title='Convert an Image (UIImage) to Grayscale'>Convert an Image (UIImage) to Grayscale</a></li>
<li><a href='http://MobileDeveloperTips.com/graphics/how-to-crop-an-image.html' rel='bookmark' title='How to Crop an Image'>How to Crop an Image</a></li>
</ol>]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>iOSDeveloperTips.com Is Now MobileDeveloperTips.com</title>
		<link>http://MobileDeveloperTips.com/announcements/iosdevelopertips-com-is-now-mobiledevelopertips-com.html</link>
		<comments>http://MobileDeveloperTips.com/announcements/iosdevelopertips-com-is-now-mobiledevelopertips-com.html#comments</comments>
		<pubDate>Sat, 05 May 2012 20:24:49 +0000</pubDate>
		<dc:creator>John Muchow</dc:creator>
				<category><![CDATA[Announcements]]></category>

		<guid isPermaLink="false">http://MobileDeveloperTips.com/?p=11578</guid>
		<description><![CDATA[iOSDeveloperTips.com has moved to a new domain: MobileDeveloperTips.com I&#8217;ve tried to make the change as transparent as possible, including redirection and search engine notifications. With that said, there are new Twitter and Facebook pages. Twitter is now located here: MobileDevTips If you were following the previous Twitter account (iOSDevTips), there is no change required on [...]
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<li><a href='http://MobileDeveloperTips.com/giveaway/iconkit-giveaway-1-register-to-win-a-set-of-450-ios-icons.html' rel='bookmark' title='Update: Iconkit Giveaway #1 &#8211; Win a Set of 450 iOS Icons &#8211; Winner Announced'>Update: Iconkit Giveaway #1 &#8211; Win a Set of 450 iOS Icons &#8211; Winner Announced</a></li>
<li><a href='http://MobileDeveloperTips.com/dmca/content-stolen-from-iosdevelopertips-com-week-of-feb-20.html' rel='bookmark' title='Content Stolen from iOSDeveloperTips.com &#8211; Week of Feb 20'>Content Stolen from iOSDeveloperTips.com &#8211; Week of Feb 20</a></li>
</ol>]]></description>
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		</item>
		<item>
		<title>iOS Open Source : Circular Rotating Menu</title>
		<link>http://MobileDeveloperTips.com/open-source/ios-open-source-circular-rotating-menu.html</link>
		<comments>http://MobileDeveloperTips.com/open-source/ios-open-source-circular-rotating-menu.html#comments</comments>
		<pubDate>Fri, 04 May 2012 08:33:58 +0000</pubDate>
		<dc:creator>John Muchow</dc:creator>
				<category><![CDATA[Open Source]]></category>

		<guid isPermaLink="false">http://MobileDeveloperTips.com/?p=11569</guid>
		<description><![CDATA[CDPieMenu is an open source project that provides a configurable, circular control for menu selection. The look is similar to the rotating hardware control on the original iPod. In the screenshot above I&#8217;ve set the control to contain 10 images, each the same (white arrow). The control handles the UI from layout of the images [...]
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</ol>]]></description>
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