2014/10/15 下午 10:13:08

iphone Programming Glossary: range.location

HTML Content fit in UIWebview without zooming out

http://stackoverflow.com/questions/10666484/html-content-fit-in-uiwebview-without-zooming-out

url encoding NSString defaultCStringEncoding error nil NSRange range html rangeOfString @ body if range.location NSNotFound Adjust style for mobile float inset 40 NSString style NSString stringWithFormat @ style div max width fpx style..

Optimized Image Loading in a UIScrollView

http://stackoverflow.com/questions/1098234/optimized-image-loading-in-a-uiscrollview

NSRange range UIScrollView scrollView UIScrollView self.view subviews objectAtIndex 0 for int i 0 i range.length range.location i scrollView.subviews count i UIView subview scrollView.subviews objectAtIndex range.location i if subview nil subview isKindOfClass.. int i 0 i range.length range.location i scrollView.subviews count i UIView subview scrollView.subviews objectAtIndex range.location i if subview nil subview isKindOfClass ThumbnailView class ThumbnailView thumbView ThumbnailView subview if thumbView.loaded.. NSRange range UIScrollView scrollView UIScrollView self.view subviews objectAtIndex 0 for int i 0 i range.length range.location i scrollView.subviews count i UIView subview scrollView.subviews objectAtIndex range.location i if subview nil subview isKindOfClass..

Control cursor position in UITextField

http://stackoverflow.com/questions/1500233/control-cursor-position-in-uitextfield

input atRange NSRange range UITextPosition start input positionFromPosition input beginningOfDocument offset range.location UITextPosition end input positionFromPosition start offset range.length input setSelectedTextRange input textRangeFromPosition..

Replacing Text in a UITextView

http://stackoverflow.com/questions/1628422/replacing-text-in-a-uitextview

NSMutableString updatedText NSMutableString alloc initWithString textView.text updatedText insertString text atIndex range.location NSRange replaceRange range endRange range if text.length 1 handle paste replaceRange.length text.length else handle normal..

iPhone: Disable the “double-tap spacebar for .” shortcut?

http://stackoverflow.com/questions/2576561/iphone-disable-the-double-tap-spacebar-for-shortcut

textField shouldChangeCharactersInRange NSRange range replacementString NSString string Check for double space return range.location 0 string length 0 NSCharacterSet whitespaceCharacterSet characterIsMember string characterAtIndex 0 NSCharacterSet whitespaceCharacterSet..

How to get matches in iOS using regular expression?

http://stackoverflow.com/questions/4184845/how-to-get-matches-in-ios-using-regular-expression

NSRange range string rangeOfString expression options NSRegularExpressionSearch NSCaseInsensitiveSearch if range.location NSNotFound return nil NSLog @ @ string substringWithRange NSRange range.location range.length It will give me the total.. NSCaseInsensitiveSearch if range.location NSNotFound return nil NSLog @ @ string substringWithRange NSRange range.location range.length It will give me the total string back stackoverflow.html but I am only interested in that whats in . . I want.. I would do this NSInteger firstPartLength 5 NSInteger secondPartLength 5 NSLog @ @ string substringWithRange NSRange range.location firstPartLength range.length firstPartLength secondPartLength It gives me the propert result 'overflow'. But the problem..

Set the maximum character length of a UITextField

http://stackoverflow.com/questions/433337/set-the-maximum-character-length-of-a-uitextfield

in this example return NO to prohibit the change. When typing in a single character at the end of a text field the range.location will be the current field's length and range.length will be 0 because we're not replacing deleting anything. Inserting into.. be 0 because we're not replacing deleting anything. Inserting into the middle of a text field just means a different range.location and pasting multiple characters just means string has more than one character in it. Deleting single characters or cutting..

Retrieving a filename for an ALAsset

http://stackoverflow.com/questions/5048640/retrieving-a-filename-for-an-alasset

toExternalForm if self.scheme isEqualToString @ assets library NSRange range self.absoluteString rangeOfString @ if range.location NSNotFound URLParser parser URLParser alloc initWithURLString self.absoluteString autorelease NSString extention parser.. identifier NULL return NSURL URLWithString NSString stringWithFormat @ @ @ @. @ self.absoluteString substringToIndex range.location EXTERNAL_TOKEN identifier extention return self assets library asset asset.JPG id 1000000001 ext JPG 1000000001.JPG NSString.. if self.scheme isEqualToString @ assets library NSRange range self.absoluteString rangeOfString @ if range.location NSNotFound URLParser parser URLParser alloc initWithURLString self.absoluteString autorelease NSString extention parser..

How to know if a UITextField in iOS has blank spaces

http://stackoverflow.com/questions/8238691/how-to-know-if-a-uitextfield-in-ios-has-blank-spaces

whitespace anywhere in the text you can do it like this NSRange range rawString rangeOfCharacterFromSet whitespace if range.location NSNotFound There is whitespace. If you want to prevent the user from entering whitespace at all see @Hanon's solution. ..