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Recent questions tagged Iphone
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iphone - Making UILabel touchable
I have a UILabel and I would like to make it react to a touch. I tried putting a button on top of the ... ? Or is there some other solution? See Question&Answers more detail:os...
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iphone
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397
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iphone - Can I get my iOS app to appear on the lower left corner of the lock screen?
How do I get my app icon to show in the bottom left corner of the lock screen and have it link to the app ... having the app in the app store? See Question&Answers more detail:os...
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Oct 24, 2021
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487
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iphone - UISwitch setThumbTintColor causing crash (iOS 6 only)?
UPDATE: Got a mail from Apple saying that the bug/issue has been fixed now and the next SDK release won't ... cause if not the switch color? See Question&Answers more detail:os...
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Oct 24, 2021
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iphone
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433
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iphone - Canvas drawing and Retina display: doable?
Working with phoneGap implementing drawing with Canvas. The catch we've run into is that canvas expects specific ... with non-retina displays? See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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iphone
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428
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answer
iphone - how to cancel out of operation created with addOperationWithBlock?
I'm using NSOperationQueue's addOperationWithBlock. From within the block, how do I check to see if I'm ... this to use a NSBlockOperation? See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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iphone
0
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467
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answer
iphone - Using xib object inside another xib
I'm designing using IB a specific button (with some labels,and imageView and other stuff). I would like then ... to match the other view. See Question&Answers more detail:os...
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Oct 24, 2021
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iphone
0
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645
views
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iphone - Objective-C 2.0: class_copyPropertyList(), how to list properties from categories
I tried to list all properties of an Objective-C class like described in the Objective-C 2.0 Runtime Programming ... in case this is important). See Question&Answers more detail:os...
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Oct 24, 2021
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71.8m
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iphone
0
votes
335
views
1
answer
iphone - Xcode won't recognize my new provisioning profile
My app's development provisioning profile expired a couple of weeks ago, so I went to the provisioning portal to get a ... my app for it to use? See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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71.8m
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iphone
0
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441
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1
answer
iphone - How to handle different date time formats using NSDateFormatter
I have a String with a datetime format: "YYYY-MM-DD HH:MM:SS". I use this in my source code: ... *test2 = [formatter1 stringFromDate:test1]; See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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iphone
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504
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1
answer
iphone - UINavigationBar custom title position
I have a custom made UINavigationBar (different size, background etc) that has inside a custom title view. I used ... What I am missing? Thanks! See Question&Answers more detail:os...
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Oct 24, 2021
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iphone
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464
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iphone - NSLocale preferredLanguages objectAtIndex:0 always return "en"
Simulator's language already changed to Japanese, why [[NSLocale preferredLanguages] objectAtIndex:0] always return "en ... anything I missed? See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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iphone
0
votes
364
views
1
answer
iphone - How much memory can one iOS app use?
... when it's in the foreground. For the original iPad, with 256MB RAM, I found that my app could use up ... m fine with this tradeoff for now. See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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iphone
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414
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1
answer
iphone - NSArray + remove item from array
How to remove an item from NSArray. See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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71.8m
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iphone
0
votes
552
views
1
answer
iphone - Capturing Images from AVCaptureSession
I am learning about AVCaptureSession and how to capture multiple images with its delegate method - (void) ... with my intended intervals? See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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71.8m
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iphone
0
votes
396
views
1
answer
iphone - Opening native google maps in Xcode
Hi I have an iPhone application using maps and locations. I would like the user to be able to press a ... any help would be appreciated. Thanks See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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71.8m
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iphone
0
votes
561
views
1
answer
iphone - how to do facebook login in iOS 6?
My app uses the facebook login to authenticate the users, I heard about the facebook integration become inside the ... as a release target ? See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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71.8m
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iphone
0
votes
417
views
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answer
iphone - How To Rotate An MPMoviePlayerController
I am building an iPhone app that plays videos on demand from a web service. The videos play in an ... it play LandscapeLeft? Thanks, Dwaine See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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71.8m
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iphone
0
votes
403
views
1
answer
iphone - Convert html file to PDF Document in iOS using Cocoa-Touch
I want to convert local html file on iPhone to PDF document. I have used the following code I found online to ... , 612, 792),filename); } See Question&Answers more detail:os...
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Oct 24, 2021
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71.8m
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iphone
0
votes
382
views
1
answer
iphone - iOS 5.0 crash when reading data from an AVAssetReaderOutput
I have this snippet of code used to read data from an AVAssetReaderOutput, the method works fine in iOS 4.0, ... [data release]; } Thanks Daniel See Question&Answers more detail:os...
asked
Oct 24, 2021
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Technique[技术]
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71.8m
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iphone
0
votes
369
views
1
answer
iphone - Draw Line with gesture
I add a view as sub view using the following code imageview = [[UIImageView alloc] initWithFrame:[holderView ... regarding that any suggestion See Question&Answers more detail:os...
asked
Oct 24, 2021
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Technique[技术]
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71.8m
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iphone
0
votes
339
views
1
answer
iphone - NSRegularExpression to validate URL
I found this regular expression on a website. It is said to be the best URL validation expression out there ... (0, theText.length)]; See Question&Answers more detail:os...
asked
Oct 24, 2021
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Technique[技术]
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深蓝
(
71.8m
points)
iphone
0
votes
342
views
1
answer
iphone - Objective-c - Purpose of categories and protocols
I've been reading up on Objective-c Protocols and Categories and both seem rather pointless to me. They're ... =/ Thanks in advance, Christian See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
iphone
0
votes
471
views
1
answer
iphone - How to rotate and resize the image view with single finger
I am developing an app which has feature that resizing and rotating the imageview by dragging its bottom right corner ... touchStart.y); } } See Question&Answers more detail:os...
asked
Oct 24, 2021
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Technique[技术]
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深蓝
(
71.8m
points)
iphone
0
votes
465
views
1
answer
iphone - Cocoa Touch: When does an NSFetchedResultsController become necessary to manage a Core Data fetch?
I'm developing an iPhone application that makes heavy use of Core Data, primarily for its database-like features ... these platforms in mind. See Question&Answers more detail:os...
asked
Oct 24, 2021
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Technique[技术]
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深蓝
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71.8m
points)
iphone
0
votes
361
views
1
answer
iphone - Iphonesdk Merge three images two single image
i am working on iphone app where i have to merge three images and make them single image. ... (); UIGraphicsEndImageContext(); See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
iphone
0
votes
578
views
1
answer
iphone - UITextView change height instead of scroll
By default, the UITextView's contentView becomes scrollable when there is too much text to fit into the textview ... the same problem before? See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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深蓝
(
71.8m
points)
iphone
0
votes
406
views
1
answer
iphone keyboard without textview
is it possible to bring up the keyboard in an iphone app without a textview? or will i have to have an ... i can find use interface builder.. See Question&Answers more detail:os...
asked
Oct 24, 2021
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Technique[技术]
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深蓝
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71.8m
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iphone
0
votes
338
views
1
answer
iphone - is saving in NSDocumentDirectory okay?
My app is using the NSDocumentDirectory to save images in it, I just wanna ask if its the safe way to save images ... you so much for the help. See Question&Answers more detail:os...
asked
Oct 24, 2021
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Technique[技术]
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深蓝
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71.8m
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