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iPhone viewWillAppear not firing
I've read numerous posts about people having problems with viewWillAppear when you do not create your view hierarchy just right. My problem is I can't figure out what that means.
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二维码的生成细节及原理 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...是0-255的ISO-8859-1字符。有些二维码的扫描器可以自动检测是否是UTF-8的编码。
Kanji mode 这是日文编码，也是双字节编码。同样，也可以用于中文编码。日文和汉字的编码会减去一个值。如：在0X8140 to 0X9FFC中的字符会减去8140，在0...
How to access a mobile's camera from a web app?
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In iPhone iOS6 and from Android ICS onwards, HTML5 has the following tag which allows you to take pictures from your device:
<input type="file" accept="image/*" capture="camera">
Capture can take values like camera, ca...
How to draw a custom UIView that is just a circle - iPhone app
How would I go about drawing a custom UIView that is literally just a ball (a 2D circle)? Would I just override the drawRect method? And can someone show me the code for drawing a blue circle?
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iPhone : How to detect the end of slider drag?
How to detect the event when the user has ended the drag of a slider pointer?
16 Answers
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Can I embed a custom font in an iPhone application?
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iOS 3.2 and later support this. Straight from the What's New in iPhone OS 3.2 doc:
Custom Font Support
Applications that want to use custom fonts can now include those fonts in their application bundle and register those fonts with the system by including the UIAppFonts key in their...
What format string do I use for milliseconds in date strings on iPhone?
...f6456626%2fwhat-format-string-do-i-use-for-milliseconds-in-date-strings-on-iphone%23new-answer', 'question_page');
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Symbolicating iPhone App Crash Reports
I'm looking to try and symbolicate my iPhone app's crash reports.
25 Answers
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Gradients on UIView and UILabels On iPhone [duplicate]
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I realize this is an older thread, but for future reference:
As of iPhone SDK 3.0, custom gradients can be implemented very easily, without subclassing or images, by using the new CAGradientLayer:
UIView *view = [[[UIView alloc] initWithFrame:CGRectMake(0, 0, 320, 100)] autorelease];
CAGr...
What is the best way to unit test Objective-C code?
...pps) with a simple (or
not) target setup; or easy to package
into your iPhone project."
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