Juggleware Developers' Blog » Programming http://www.juggleware.com/blog news and random thoughts from your friendly neighborhood independent developers at juggleware, llc Mon, 30 Jan 2012 22:42:00 +0000 en hourly 1 http://wordpress.org/?v=3.3.1 Drawing Text on an Arc in CocoaTouch http://www.juggleware.com/blog/2011/08/drawing-text-on-an-arc-in-cocoatouch/ http://www.juggleware.com/blog/2011/08/drawing-text-on-an-arc-in-cocoatouch/#comments Thu, 18 Aug 2011 21:41:41 +0000 alec http://www.juggleware.com/blog/?p=381 CoreText is available now in iOS, but it’s not an easy framework to use. After trying several other approaches to draw text on an arc at this Stack Overflow page,  I adapted Apple’s sample code  CoreTextArcCocoa for Mac …

]]> http://www.juggleware.com/blog/2011/08/drawing-text-on-an-arc-in-cocoatouch/feed/ 0 How to get the Return key to dismiss a UITextView http://www.juggleware.com/blog/2010/07/how-to-get-the-return-key-to-dismiss-a-uitextview/ http://www.juggleware.com/blog/2010/07/how-to-get-the-return-key-to-dismiss-a-uitextview/#comments Thu, 15 Jul 2010 20:05:07 +0000 alec http://www.juggleware.com/blog/?p=280 Need to dismiss they keyboard in a UITextView? Changing the Return key to read “Done” doesn’t make the iPhone keyboard to go away.  Put this code in the delegate for your UITextView and your return key can behave more like …

]]> http://www.juggleware.com/blog/2010/07/how-to-get-the-return-key-to-dismiss-a-uitextview/feed/ 2 plist > JSON > XML http://www.juggleware.com/blog/2010/07/plist-json-xml/ http://www.juggleware.com/blog/2010/07/plist-json-xml/#comments Mon, 12 Jul 2010 16:14:48 +0000 alec http://www.juggleware.com/blog/?p=266 Having developed 4 or 5 iPhone apps now that download remote XML data from servers and populate tables view and other content, I can tell you without reservation that it is the slowest way to go.

Performance using JSON is …

]]> http://www.juggleware.com/blog/2010/07/plist-json-xml/feed/ 0 How To Place a UIWebView inside a UIScrollView http://www.juggleware.com/blog/2010/07/how-to-place-a-uiwebview-inside-a-uiscrollview/ http://www.juggleware.com/blog/2010/07/how-to-place-a-uiwebview-inside-a-uiscrollview/#comments Fri, 09 Jul 2010 16:53:36 +0000 alec http://www.juggleware.com/blog/?p=247 To display several pieces of content on a screen, I needed several views. A scroll view (UIScrollView) was necessary to encompass the headline, photo and story text; I had the headline and photo at the top in a …

]]> http://www.juggleware.com/blog/2010/07/how-to-place-a-uiwebview-inside-a-uiscrollview/feed/ 10 Making annotations fit on a Map View. http://www.juggleware.com/blog/2010/03/making-annotations-fit-on-a-map-view/ http://www.juggleware.com/blog/2010/03/making-annotations-fit-on-a-map-view/#comments Tue, 16 Mar 2010 22:33:15 +0000 admin http://www.juggleware.com/blog/?p=227 After struggling with formulae that convert degrees longitude and latitude to meters, I found a much better way to get annotations to fit on a Map View, thanks to this site:

http://codisllc.com/blog/zoom-mkmapview-to-fit-annotations/…

]]> http://www.juggleware.com/blog/2010/03/making-annotations-fit-on-a-map-view/feed/ 0 Helpful Core Data debugging http://www.juggleware.com/blog/2010/03/helpful-core-data-debugging/ http://www.juggleware.com/blog/2010/03/helpful-core-data-debugging/#comments Tue, 16 Mar 2010 05:45:55 +0000 admin http://www.juggleware.com/blog/?p=225 Core Data is really great, but if your app crashes without warning it can be a major headache. Replacing the default error handling code with this more involved approach saved me hours of time debugging:

http://www.designcodeexecute.com/2009/08/28/iphone-sdk-coredata-debugging-error-1560-1570…

]]> http://www.juggleware.com/blog/2010/03/helpful-core-data-debugging/feed/ 0 Can not use an object as parameter to a method (Obj-C errors, part 2) http://www.juggleware.com/blog/2010/03/objc-errors-part-2/ http://www.juggleware.com/blog/2010/03/objc-errors-part-2/#comments Mon, 15 Mar 2010 19:13:23 +0000 admin http://www.juggleware.com/blog/?p=220 This is an easy one to seasoned X-coders, but one that tripped me up a few times when I first got started.

BAD CODE:

-(void) makePhotoFromImage: (UIImage )image;

ERROR:

can not use an object as parameter to a method

TRANSLATION…

]]> http://www.juggleware.com/blog/2010/03/objc-errors-part-2/feed/ 0 Objective C compiler errors: translations for newbs http://www.juggleware.com/blog/2010/03/objective-c-compiler-errors/ http://www.juggleware.com/blog/2010/03/objective-c-compiler-errors/#comments Thu, 04 Mar 2010 22:53:14 +0000 admin http://www.juggleware.com/blog/?p=212 I’m pretty new at Xcode and Objective C, so there may not be a one-to-one correspondence here between errors and the most probable cause, but this helps me so it may help you.

This will be a work in progress; …

]]> http://www.juggleware.com/blog/2010/03/objective-c-compiler-errors/feed/ 0 Dump mySQL database design into OmniGraffle http://www.juggleware.com/blog/2009/11/dump-mysql-database-design-into-omnigraffle/ http://www.juggleware.com/blog/2009/11/dump-mysql-database-design-into-omnigraffle/#comments Mon, 09 Nov 2009 22:52:30 +0000 alec http://www.juggleware.com/blog/2009/11/dump-mysql-database-design-into-omnigraffle/ Check out this blog entry on Designweenie if you are a Mac user that uses OmniGraffle to design mySQL databases.

One important note: you will need to run AppleScript Editor in 32-bit mode if you are using Snow Leopard (Mac …

]]> http://www.juggleware.com/blog/2009/11/dump-mysql-database-design-into-omnigraffle/feed/ 0 mySQL to SQLite cheatsheet for iPhone developers http://www.juggleware.com/blog/2009/09/mysql-to-sqlite-cheatsheet-for-iphone-developers/ http://www.juggleware.com/blog/2009/09/mysql-to-sqlite-cheatsheet-for-iphone-developers/#comments Wed, 02 Sep 2009 17:17:26 +0000 alec http://www.juggleware.com/blog/?p=140 Although I started writing this as a cheat-sheet for myself (after many hours of struggling with this by trial-and-error), I figured it would be helpful for other iPhone developers who’d like to take a mySQL database online and migrate it …

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