Recent questions tagged iPhone

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iphone - Could not load NIB in bundle: 'NSBundle when using storyboarding

I am getting the following error when I use my app for a little while. Usually takes between 50 and 100 movements ... is in the iOS 5 simulator. 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

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iphone - How to add an integer value into NSMutableArray?

NSMutableArray * val; val = [[NSMutableArray alloc] initWithCapacity:15]; /*int outlineWidth = barOutlineWidth; int ... What should I do? See Question&Answers more detail:os...

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

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413 views

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iphone - restoreCompletedTransactions broken?

Is restoreCompletedTransactions broken in SDK 4.3 ? I am trying to restore my auto-renewable subscription. It is ... SKPaymentQueue *)queue { } See Question&Answers more detail:os...

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

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388 views

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iphone - purgeIdleCellConnections: found one to purge conn = 0x1d57ba00

What's going on here? This is the first time I've ever seen this in the log. I'm connected to NTP servers. ... doing anything else to my 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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333 views

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iphone - UITabBarController is possible to select the tab via code?

is it UITabBarController possible to select the tab in code?like UINavigationController we can use popViewController ... in tabbarcontroller? See Question&Answers more detail:os...

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

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308 views

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iphone - Passing array between view controllers?

I really need some more help! I am trying to pass an array from one view controller to another. I think ... Can anyone help please? Thanks James See Question&Answers more detail:os...

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

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378 views

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iphone - Blur Effect (Wet in Wet effect) in Paint Application Using OpenGL-ES

I am developing Paint application using OpenGL-ES for iPhone and i want to implement Gaussian blur effect(Wet ... highly appreciated.. 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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392 views

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iphone - Changing the position of custom UIButton in custom UITableViewCell

I need to change the position of UIButton dynamically. I do this in cellForRowAtIndexPath:. I alter the frame of ... ,button.frame.size.height); See Question&Answers more detail:os...

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

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347 views

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iphone - Are Apps using iAd compatible with older iOS

Can I add the UIBannerViewDelegate protocol to my UIViewController subclass while remaining compatible with pre-iOS 4 ... the delegate protocol. See Question&Answers more detail:os...

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

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269 views

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iphone - NSBlockOperation or NSOperation with ALAsset Block to display photo-library images using ALAsset URL

I am asking this question regarding my questions Display photolibrary images in an effectual way iPhone and Highly ... with ALAsset block!! See Question&Answers more detail:os...

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

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304 views

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iphone - Get the date of next saturday in Objective-C?

How would you get the date of the the first saturday that occurs after today in Objective-C for iOS? See Question&Answers more detail:os...

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

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243 views

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iphone - cellForRowAtIndexPath memory management

So, here's the code for my cellForRowAtIndexPath: - (UITableViewCell *)tableView:(UITableView *)tableView ... suggestions, thanks guys. See Question&Answers more detail:os...

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

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376 views

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iphone - UIWebView to Play Local and downloaded Video

I want to play downloaded video using UIWebview. I get webkiterrordomain code=204 error. but if i play video from ... :urlLocation]]; 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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417 views

1 answer

iphone - Displaying an EAGLView with transparent background on a UIImageView

I have an EAGLView displaying an OpenGL 3D model, and a UIImageView displaying an image. What I want is ... Any solution would be appreciated. See Question&Answers more detail:os...

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

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448 views

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iphone - how to sort an NSArray of float values?

I have an NSArray like this: how to sort NSarray float with value like this:122.00,45.00,21.01,5.90 See Question&Answers more detail:os...

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

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357 views

1 answer

iphone - UILocalNotification crash

could you please help me ? I'm setting up an UILocalNotification and It crashes when I try to set its userInfo ... : (null)' Any idea ? See Question&Answers more detail:os...

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

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301 views

1 answer

iphone - How to unerase an erased UIImage?

I am trying an image erasing code in my PanGesture. I am using the code below: UIImage * image = [UIImage ... How to unerase the same image? See Question&Answers more detail:os...

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

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642 views

1 answer

iphone - Releasing CGImage (CGImageRef)

I'm curious if I'm following proper memory management with CGImageRef, which I'm passing through several methods (since ... proper way to do so? See Question&Answers more detail:os...

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

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500 views

1 answer

iphone - AudioQueue does not output any sound

I have trouble getting sound output on my iPhone experiment and I'm out of ideas. Here is my callback to ... outputting linear PCM 16bit 44hz. See Question&Answers more detail:os...

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

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255 views

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iphone - Difference between class property mVar and instance variable self.mVar

I am some what confused as to the difference between accessing an instance variable via self or just by name (when working ... { self.x = x; } See Question&Answers more detail:os...

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

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329 views

1 answer

iphone - Dismiss popover using UIbutton

I can't figure out why it doesn't work as it should when I try to dismiss a popover by clicking on a ... Above is my code for my UIButton See Question&Answers more detail:os...

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

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375 views

1 answer

iphone - Delay in playing sounds using AVAudioPlayer

-(IBAction)playSound{ AVAudioPlayer *myExampleSound; NSString *myExamplePath = [[NSBundle mainBundle] pathForResource:@" ... Anyone please 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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322 views

1 answer

iphone - Action sheet doesn't display when the MFMailComposeViewController's cancel button is tapped

I'm trying to incorporate MFMailComposeViewController in my app. When I present it modally, the send button works ... URLWithString:email]]; } See Question&Answers more detail:os...

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

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333 views

1 answer

iphone - Xcode / Objective-C: Why is NSTimer sometimes slow/choppy?

I am developing an iPhone game and I have an NSTimer that animates all of the objects on the screen: EverythingTimer = ... or How can i fix 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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388 views

1 answer

iphone - iOS development app startup crash

I am currently working an iOS app, nothing serious, just a simple budget tracker. The workflow is the following: ... . What is happening here? See Question&Answers more detail:os...

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

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305 views

1 answer

iphone - Select videos using UIImagePickerController in 2G/3G

I am facing a problem where-in I cannot select videos from the photo album in iPhone 2G/3G device. The ... ? Thanks and Regards, Raj Pawan 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 - MFMailComposeViewController in other languages?

Does MFMailComposeViewController come only in English!? I am toying around with the idea of using ... language of MFMailComposeViewController? See Question&Answers more detail:os...

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

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284 views

1 answer

iphone - What is the point of @property and @synthesize?

I haven't been able to figure it out, and there are no websites which explain it clearly enough... what ... and @synthesize? 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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