Recent questions tagged iPhone

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iphone - Add UIView as subView on UIActionSheet

I am working on project where I want to show UIActionsheet with three buttons Change,Cancel and Done and at the ... showInView:self.view]; } See Question&Answers more detail:os...

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

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986 views

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iphone - Cocoa animationImages finish detection

I'm doing an animation using animationImages and animationRepeatCount = 1; How can I detect when the animation is done? Thanks, Tee See Question&Answers more detail:os...

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

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965 views

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iphone - Monotouch binding for TouchJSON?

The admob sdk for iPhone uses a proprietary libAdMobNoThumb.a library and an Objective-C source based TouchJSON ... problem? TIA, Mollyke. See Question&Answers more detail:os...

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

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990 views

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iphone - Division result is not correct

CGFloat result=100/126; NSLog(@"%0.5f",result); the output of above code is 0.00000 but when i check it on ... is 0.79365. what is the problem See Question&Answers more detail:os...

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

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1.0k views

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iphone - Not able to write to Plist

I have a very basic question about how to write to a plist. I added a "Here.plist" file to my resources ... wrong? Losing my head over this. See Question&Answers more detail:os...

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

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1.0k views

1 answer

iphone - How to make round corner button which supports all device in iOS

In my iPhone app i have profile pic button which should be round corner always.Right now if i will give corner ... work ? 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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1.1k views

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iphone - In dealloc method set any delegate to nil is needed or not needed

I have created tableview in my view by programmatic like below table = [[UITableView alloc] initWithFrame:CGRectMake ... what will happen Thanq 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

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iphone - NSArray to Description and vice versa

I have NSMutableArray like : NSMutableArray *x=[[NSMutableArray alloc]initWithObjects:@"a",@"b",@"c",@"d", ... the description is it possible ? 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

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iphone - JSON Parsing in Objective-C

I've done the Raywenderlich tutorial about JSON in iOS but I got difficulties to adapt it to my own JSON file ... ); } Log returns null. See Question&Answers more detail:os...

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

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929 views

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iphone - Change initial view controller after first launch of app

I have a two-view login to my app where a user enters two views worth of info. After the user has entered ... a certain point in the 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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963 views

1 answer

iphone - UIImageView Animation delay between frames?

I am trying to create an animation using a UIImageView with an array if images. It works great, except that I ... have had this forever. 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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897 views

1 answer

iphone - Must drawInRect: for a separate context be executed on the main thread?

[update: this problem has been resolved; the issue was not in drawInRect: but in UIGraphicsBeginImageContext()] In ... to the drawing board... See Question&Answers more detail:os...

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

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909 views

1 answer

iphone - AudioUnits causing universal skipping after returning from Springboard

I have a problem in my applications where I am using AudioUnits. All of the applications Audio (including ... TestAudioUnit app Audio will skip See Question&Answers more detail:os...

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

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992 views

1 answer

iphone - converting image to base64 and uploading in JSON format to server

I have a problem. I need to convert base64 string to JSON string and pass it to server. for example I have a ... , help me to solve this problem See Question&Answers more detail:os...

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

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921 views

1 answer

iphone - Setting label text in another class

In my viewcontroller, I am creating a label here. In another viewcontroller I am creating an instance of the first ... I am doing wrong here See Question&Answers more detail:os...

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

0 votes

932 views

1 answer

iphone - Upload picture selected using UIImagePickerController

I'm trying to upload the picture selected using UIImagePickerController. The UIImagePickerController gives UIImage object that ... ? Thank you See Question&Answers more detail:os...

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

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903 views

1 answer

iphone - What is the difference between these two ways of allocating memory in Objective-C?

I am confused about the proper means of allocating memory in Objective-C. Suppose I have an ... practice for allocating memory? 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 - Fast Rewind & Fast Forward in AVAudioPlayer

I am implementing AVAudioPlayer and fast-rewind,fast-forward functionality. I have made two button with gesture, ... Iphone/Ipod standard 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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1.0k views

1 answer

iphone - passing NSString from one class to the other

I have a NSString that is taken from a UITextField in a ViewController. Every of my other ViewController ... NSString to others ViewControllers? See Question&Answers more detail:os...

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

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1.0k views

1 answer

iphone - Unable to identify iOS OSStatus Code

I have a really strange behavior in an iOS App. I switched from iOS 6 to iOS 7. In iOS 6 everything ... kind of security logic? Any clues? See Question&Answers more detail:os...

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

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894 views

1 answer

iphone - Is it possible to call alert "Allow to use current location" manually?

Is it possible to call alert "Allow to use current location" manually when using CoreLocation framework? See Question&Answers more detail:os...

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

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876 views

1 answer

iphone - ReusableCellWithIdentifier issue in cellForRowAtIndexPath

In my app I have one imageView and one UILabel. For ImageView I have assigned asynch Image to it and ... .contentView addSubview: nameLabel]; } See Question&Answers more detail:os...

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

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1.0k views

1 answer

iphone - Help with CoreData making a NSPredicate - Recursive Searching

I am using CoreData for an iPhone project and I am stuck trying to build a predicate. My core data entity is ... for a entire chain? 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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943 views

1 answer

iphone - How can I post formatted text with local image on Facebook or Twitter?

I want to share my local saved image and formatted text on Twitter or Facebook using my application. For example, ... any APIs available for it? See Question&Answers more detail:os...

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

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960 views

1 answer

iphone - Problems with legend in Core-Plot (pieChart)

I have a problem drawing the legend of a pieChart with Core-Plot, because the name of each element of the ... Sorry because of my poor english. See Question&Answers more detail:os...

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

0 votes

1.0k views

1 answer

iphone - Calendar control for cocoa touch

I'm want to create a CRM app for me just for fun and to learn more about Cocoa, because CRM application evolve ... so many for the .NET world? See Question&Answers more detail:os...

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

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942 views

1 answer

iphone - IOS Swift and Facebook SDK

Let me apologize first, just learning swift, so I am not 100% on what I am doing. I have found many tutorials ... swift, I have no clue what.. 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 - NSArray - check if objects are in an array?

I have 2 arrays. One is a large static group of 600 objects, the other is a small varying group of 10 objects. ... is the best way to do this? See Question&Answers more detail:os...

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

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