Recent questions tagged iPhone

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iphone - Unrecognized selector sent to instance

Anyone know why I am getting this error? Terminating app due to uncaught exception 'NSInvalidArgumentException', ... :YES]; } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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722 views

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iphone - toggle between UIBarButtonSystemItemPlay and UIBarButtonSystemItemPause

Have two UIBarButtonItems want to make it as one UIBarButtonItem and toggle between them UIBarButtonItem *systemItem1 = [[ ... i can do that. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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713 views

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iphone - UITableViewCell(s) with default image overwritten with other images upon scrolling

Oops,I am facing an issue with table view cells having no image,i.e. the cell with default image.Upon scrolling ... help me,thanks in advance :) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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958 views

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iphone - Console error: UICollectionView must be initialized with a non-nil layout parameter

I'm new to UICollectionView and I'm following a tutorial that I found on Youtube, but i'm ... .collectionView setCollectionViewLayout:flow]; } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

1 answer

iphone - iOS: formatting decimal numbers

I have an NSDecimalNumber representing a money amount. I want to print it as "999 999 999 999 999 999,00", ... res ); return res; } @end See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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710 views

1 answer

iphone - How to support iOs 9 feature(s), while keeping iOs 8 support?

Basically the question is in the title. I'm sure there's a way to ship your app to an earlier version ... talking about an enterprise/large app See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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806 views

1 answer

iphone - Custom actions for UIGestureRecognizers (with custom parameters)

Short version of my problem: I cannot figure out how to make the "action" for my UITapGestureRecognizer ... greatly appreciated. Thanks, Alex See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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705 views

1 answer

iphone - Core Data cannot resolve faults when object has "description" attribute?

Code: NSFetchRequest *fetchRequest = [[NSFetchRequest alloc] init]; NSEntityDescription *entity = [ ... internal introspection? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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713 views

1 answer

iphone - Incorrect number of objects getting added to mutable array

I have a view controller with table view that contains 8 cells(sections).I have created a textField and added ... if (self.navigationItem.rightBarButtonItem.title == @"Save") {...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.2k views

1 answer

iphone - UIImagePickerController didFinishPickingMediaWithInfo not being called

I'm having trouble with using a UIImagePickerController. Basically, though the picker is being displayed fine, the ... isn't being called? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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801 views

1 answer

iphone - Programmatically get the number of the incoming call

How can I programmatically get the number of the incoming call from Background application ? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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901 views

1 answer

iphone ShareKit with Video upload for facebook?

Does anyone know how i can use Sharekit to post a video to facebook? Should i customize it or is there ... extensions i can download? Thanks! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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904 views

1 answer

iphone - UINavigationController popViewControllerAnimated: crash in iOS 6

The code below works fine in iOS 4 and 5 but crashes in iOS 6 with EXC_BAD_ACCESS. I'd appreciate any help ... of using a custom pop animation. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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832 views

1 answer

iphone - Multiple Views in one Window

I'm writing a view based app, but I'm a bit confused about loading my views. I'd like to have four ... . Thanks in advance for the help. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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949 views

1 answer

iphone - Check if NSDecimalNumber is whole number

What's the easiest way to check if an instance of NSDecimalNumber is a whole number? Thanks! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

831 views

1 answer

iphone - iAd not working on iPad

I made an iPhone Application which uses iAd. On the iPhone Simulator and the Device it works fine. It already is ... (NSError *)error Any ideas? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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796 views

1 answer

iphone - iOS symbols not found for architecture i386

I have made a static library after going through http://www.icodeblog.com/2011/04/07/creating-static-libraries ... called MyLib. Any help please See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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802 views

1 answer

iphone - Directory 'X' following -L not found

I have two warnings for my project in xcode, both don't stop the app running but I want to make sure I ... is an image to help you understand: See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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786 views

1 answer

iphone - How can I change the look of ABPeoplePickerNavigationController so that i can see phone number type (home,mobile etc)

I am using ABPeoplePickerNavigationController in my app ,but client wants to see label of phone number infront ... this requirement? thanks See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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814 views

1 answer

iphone - How do I create a mutable array of CGImageRefs?

I want to keep a mutable collection of CGImageRefs. Do I need to wrap them in NSValue, and if so how do ... as the elements of the collection? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

817 views

1 answer

iphone - App not installed...because its resources have been modified

One user cannot install my app because they continue to receive the error: The application myapp was not ... all profiles. Any ideas? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

884 views

1 answer

iphone - Multiple red/destructive buttons UIActionSheet

Is there any way to have more than 1 red "destructive button" in an iPhone app's UIActionSheet? I need to have ... , so both need to be red. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

1 answer

iphone - NSURLRequest Timeout IOS

I need to set timeout 15sec or 30 sec with UIRequest, but it always takes default one. Is there any way to set minimum timeout to connection. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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931 views

1 answer

iphone - Sort NSArray using sortedArrayUsingFunction

Any good example of sorting a NSArray using sortedArrayUsingFunction ? TY! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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920 views

1 answer

iphone - JSONValue ARC issue

Im trying to use the built in JSON framework in iOS5, but i get an ARC issue when trying to compile ... ' declares the selector 'JSONValue' See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

892 views

1 answer

iphone - AudioFileSetProperty returning 'kAudioFileUnsupportedPropertyError (pty?)'

I'm having difficulties writing a audio file's metadata: AudioFileID fileID = nil; AudioFileOpenURL((__bridge ... metadata for audio files. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

936 views

1 answer

iphone - How to use CCCrypt() to encrypt a file?

when I encrypt a file(doc, pdf, etc.), I use: size_t bufferSize = dataLength + kCCBlockSizeAES128; CCCrypt( ... pass these params? thanks alot! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

781 views

1 answer

iphone - How can I test my iPad app on my actual iPad?

I am developing my first iPad app using the iOS SDK 4 and Xcode 3.2. I have written a simple Hello ... developers license for $99? Thanks, Mike See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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