Recent questions tagged iPhone

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I am trying to create a simple and animated pie chart using CAShapeLayer. I want it to animate from ... limitation of CAShapeLayer animations? See Question&Answers more detail:os...

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

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515 views

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iphone - Calculate the contentsize of scrollview

I'm having a scrollview as the detailedview of tableview cell. There are multiple views on the detailedview like ... the content is dynamic? See Question&Answers more detail:os...

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

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350 views

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iphone - How do I find the size of my Core Data persistent store and the free space on the file system?

I am working on a database application using the Core Data framework. In this application I need to display how much ... any 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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iphone - UIView Popup like UIAlertView

I Want a UIView which can popup like UIAlertView and also can move. Any help please?? 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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503 views

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iphone - Gray UISearchBar w/matching scope bar programmatically

I'm trying to recreate this UISearchBar (as seen in the Table Search example code): alt text http: ... /screenshot20100527at944.png 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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364 views

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iphone - Invoke model method with block that will run on the main thread

one of the central tenets of the architecture of my latest app is that I'm going to call methods on the ... main thread I believe. many 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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470 views

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iphone - Converting UIImage into PDF File

Iam trying to saving an UIImage in PDF file. How can i do this? How i would save and image into pdf file and ... the issue i faced. 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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261 views

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iphone - How to Add Core Data to an existing Utility Application

I′ve created an utility Application which is nearly complete, but now I′m on a point were I really have to ... best practice for my situation? See Question&Answers more detail:os...

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

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504 views

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iphone - How to move UITextView correction suggestion above text

I'm using a UITextView to roughly replicate the SMS text box above the keyboard. I'm using a UITextView ... to replicate this behavior? 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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378 views

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iphone - Set to nil in viewDidUnload, but release in dealloc

I've been reading all day about why views should be set to nil in viewDidUnload and released in dealloc. All the ... OR self.label = nil; } See Question&Answers more detail:os...

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

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484 views

1 answer

iphone - Changing bounds of imageView of UITableViewCell

I'm trying to place various size images inside imageView of UITableViewCell. I get the image data asynch'ly, ... (null) Still no solution 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 - What is the proper way to use NSCache with dispatch_async in a reusable table cell?

I have been looking for a clear cut way to do this and have not found anywhere that will give an example and ... The cache returns nil for 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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568 views

1 answer

iphone - Expand UITableView cell in UITableViewstylePlain

I want to expand tableview cell on it's click. There is a tableview in which two cells are expandable and ... the above. 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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510 views

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iphone - Custom MKAnnotationView with frame,icon and image

I've been searching for a similar solution on how to design a custom MKAnnotationView like this one. I'v ... annotationView; } return nil; } See Question&Answers more detail:os...

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

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403 views

1 answer

iphone - Using iOS 5 rich text editor

as you know the Mail app in iOS 5 have a rich text editor is there any possible way to use this feature for a regular UITextView ? See Question&Answers more detail:os...

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

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467 views

1 answer

iphone - Filtering NSDictionary with predicate

I am using a NSDictionary that itself contains dictionaries some keys and its values.The format is like , { " ... should "vv" using NSPredicate. See Question&Answers more detail:os...

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

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546 views

1 answer

iphone - Getting visible cell from UITableView pagingEnabled

I have a UITableView with pagingEnabled. Each cell takes up the viewing area of the table. Meaning, each cell is ... part of the visible cells. See Question&Answers more detail:os...

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

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395 views

1 answer

iphone - Apple Push Notifications, how do I properly export my cert?

I can't seem to figure out how to properly export my cert for use in my iOS app with push notifications ... .p12 -out CertificateName.pem -nodes See Question&Answers more detail:os...

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

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480 views

1 answer

iphone - How do I change the text size and component width of a UIPickerView?

I have the following code to create a UIPickerView: pickerView = [[UIPickerView alloc] initWithFrame:CGRectMake(0.0f, ... to do this? 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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357 views

1 answer

iphone - UIImage ScaleToFit disable antialias?

is there any way to disable antialiasing when scaling images in uiimage? 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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301 views

1 answer

iphone - What is Delegate and Delegate Methods

Guys anyone please let me know difference between Delegate & Delegate Methods and its differences and its usages ??? See Question&Answers more detail:os...

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

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1.8k views

1 answer

iphone - center custom title in UINavigationBar?

I have a custom UINavigationBar title and a custom back button. My problem is that the title is not centered on ... to accomodate the button.... See Question&Answers more detail:os...

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

0 votes

268 views

1 answer

iphone - How to detect nearby devices with Bluetooth LE in iOS 7.1 both in background and foreground?

I have an app that needs to detect a nearby (in range for Bluetooth LE) devices running the same application and ... that option 2 would work? See Question&Answers more detail:os...

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

0 votes

565 views

1 answer

iphone - iOS 5 custom tab bar image vertical alignment

I'm getting some odd behaviour with my custom tab bar. The images seem to be aligned incorrectly. Here is a ... with the background in place: See Question&Answers more detail:os...

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

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345 views

1 answer

iphone - How can I create a count down timer for cocos2d?

I am developing a 2D iPhone game by using cocos2d. I need a countdown timer. How can I create a count down timer in cocos2d? See Question&Answers more detail:os...

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

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581 views

1 answer

iphone - Testing use of NSURLConnection with HTTP response error statuses

I'm writing an iPhone application that needs to get some data from a web server. I'm using NSURLConnection ... to handle HTTP error statuses? See Question&Answers more detail:os...

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

0 votes

442 views

1 answer

iphone - Core data: any way to fetch multiple entities?

I'm just getting started with Core Data, and as a learning exercise I'm building an app where I need to ... " and "Pirate" objects? Thanks. See Question&Answers more detail:os...

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

0 votes

544 views

1 answer

iphone - Storing NSAttributedString Core Data

I am trying to store an NSAttributedString to a Core Data SQL store. I have the property set as a " ... message? Please advise. 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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