Recent questions tagged iPhone

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iphone - NSMutableArray memory management

NSMutableArray *a1 = [[NSMutableArray alloc] init]; NSMutableArray *a2 = [NSMutableArray array]; TempObj *obj = [[ ... added them to the array? See Question&Answers more detail:os...

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

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594 views

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iphone - Grouped uitableview with shadow

Any ideas how to show a shadow around the grouped uitableview's border?(around all border at top, bottom, sides ... one, blue is the background) See Question&Answers more detail:os...

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

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346 views

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iphone - How to show and edit existing PDF files in ios application

I do not want to create new PDF file,that I had already done but want to show and edit existing pdf file in ... problem... 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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287 views

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iphone - How Can i Get the List of all Video files from Library in ios sdk

Hi I'm working On videos , i would like get the list of video files from library to Display and playing the Videos ... app. can any one help me. See Question&Answers more detail:os...

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

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435 views

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iphone - Cant find custom font - iOS

i have added a custom font - one which i have downloaded from from the net. it is in TTF format and can be ... in Font Book. is this the issue? See Question&Answers more detail:os...

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

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339 views

1 answer

iphone - How to create sqlite database programmatically?

I am new to iPhone development. I have created the database using the terminal in mac os x. Now i am ... tutorial? Please somebody help me. See Question&Answers more detail:os...

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

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420 views

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iphone - Convert UIImage to CMSampleBufferRef

I am doing video recording using AVFoundation. I have to crop the video to 320x280. I am getting the ... to CMSampleBufferRef? Thanks everyone! See Question&Answers more detail:os...

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

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362 views

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iphone - MFMailComposeViewController : how do I embed a clickable URL link into the email message body

I want my app using the MFMailComposeViewController to send an email such that the recipient can click on the ... this explicitly. 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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297 views

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iphone - Hide StatusBar from MPMoviePlayerController

I've been struggling with a very annoying problem all day long and I hope I could find help on this board. I ... on that one? 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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286 views

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iphone - Does renewing a provisioning profile affect keychain access when I submit an app update to the AppStore?

I have an iPhone app that uses the keychain for authentication-related storage. I also had an expiring Provisioning ... empty keychain. D'OH. See Question&Answers more detail:os...

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

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455 views

1 answer

iphone - Clean autorotation transitions in a paging UIScrollView

I have a paging UIScrollView in which the user pages horizontally through images, like Apple's Photos.app. That works, ... 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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326 views

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iphone - How to get UIButton Target, Action and Control events?

I am using UIImageView's with UIButtons a whole bunch. So, I created a custom class to permanently marry ... right direction? Thanks, -Martin See Question&Answers more detail:os...

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

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385 views

1 answer

iphone - How do you stop UITapGestureRecognizer from catching EVERY tap?

Hello I have an opengl view and on that I have a tab bar. I'm using a tap recognizer to tap different ... when I debug it returns TRUE always. See Question&Answers more detail:os...

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

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370 views

1 answer

iphone - AVCaptureVideoPreviewLayer: taking a snapshot

I'm trying to emulate the animation seen in the default camera app, where a snapshot of the cameras viewfinder is ... boos are most welcome. M. See Question&Answers more detail:os...

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

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273 views

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iphone - Opens apple maps app from ios app with directions

As the title states I would like to open the native maps app in the ios device from within my own app, by ... for all the replies 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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303 views

1 answer

iphone - What's the better way to addObserver/removeObserver with NSNotificationCenter?

I used to addObserver in viewDidLoad: and removeObserver in dealloc:. Code: - (void)viewDidLoad { [super ... way to addObserver/removeObserver? See Question&Answers more detail:os...

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

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382 views

1 answer

iphone - NSData & NSURL - url with space having problem

I have following code in my application. NSData *data=[NSData dataWithContentsOfURL:[NSURL URLWithString:pathOfThumbNail]] ... loaded in nsdata. See Question&Answers more detail:os...

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

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445 views

1 answer

iphone - How can I extract the Custom URL Scheme from a .ipa file?

I am trying to determine how to extract or get programmatically the Custom URL Scheme from a application .ipa file. Is this 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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473 views

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iphone - After Animation, View position resets

I am trying to make a view slide from top to bottom. This is not a big deal, I used CABasicAnimation for this ... awful. What am I doing wrong? See Question&Answers more detail:os...

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

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300 views

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iphone - How to link a .xib file to a class file with Xcode 4

have started a universal project under the new Xcode4. My Application works on both iPhone & iPad devices but not ... class? 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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338 views

1 answer

iphone - UINavigationBar UIBarButtonItems much larger click area than required

hopefully someone can help me out- iv'e scoured the net for the answer and cannot find one- the UIBarButtonItems ... ? thanks very much ;) See Question&Answers more detail:os...

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

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290 views

1 answer

iphone - Why must UIKit operations be performed on the main thread?

I am trying to understand why UI operations can't be performed using multiple threads. Is this also a requirement ... which I don't 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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426 views

1 answer

iphone - Does jQuery preserve touch events properties?

While this code produces the expected behavior of "1" when touching the screen: document.getElementById('someNodeId'). ... am I doing wrong? See Question&Answers more detail:os...

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

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360 views

1 answer

iphone - Where can I find a good example of a Core Data to-many relationship?

Does anyone have a tutorial or source code that shows a to-many relationship being used, where the user add ... it hasnt been much 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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335 views

1 answer

iphone - Converting Country Codes to Country Names

I need to convert a list of country codes to a country array. Here is what I have done so far ... pickerViewArray =[NSLocale ISOCountryCodes]; } See Question&Answers more detail:os...

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

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339 views

1 answer

iphone - Can I encode a subclass of NSManagedObject?

This is for an iPhone App, but I don't think that really matters. I need to send a custom object (which is ... correct? Am I missing any steps? See Question&Answers more detail:os...

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

0 votes

282 views

1 answer

iphone - How to detect "IAP crackers"?

I found out that many users use so-called "IAP crackers" instead of purchasing the items in in-app purchase ( ... there anybody who knows how? See Question&Answers more detail:os...

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

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322 views

1 answer

iphone - iAd error "Ad inventory unavailable" (Apple Sample code also not working)

I tried to include an ADBannerView into my application. But the ADBannerView always ends up in bannerView: ... on my testing device? See Question&Answers more detail:os...

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

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