Recent questions tagged iPhone

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500 views

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iphone - How to enable zoom in UIScrollView

How do I enable zooming in a UIScrollView? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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337 views

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iphone - Can you use cancel/isCancelled with GCD/dispatch_async?

I've been wondering, can you use cancel/cancelAllOperations/.isCancelled with a thread you have launched with GCD ... helps someone, sometime! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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609 views

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iphone - Resize font size to fill UITextView?

How would I set the font size of text in a UITextView such that it fills the entire UITextView? I'd ... UITextView. Any help is appreciated! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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489 views

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iphone - Get zip code from latitude, longitude?

I want to get zip code from users current location(Latitude, Longitude), I had used MKReverse Geocoder delegate ... other idea or clue? Thanks See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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395 views

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iphone - How do I get the CoreData Debug argument to output to the console?

According to Apple documentation on debugging Core Data it says we should be able to pass an argument to the ... 1 is the second parameter. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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415 views

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iphone - Black screen instead of launch image on iPad

I am developing an iPhone app for iOS 6.1 and 7 (using Xcode 5). I have a problem with iPad launch images ... Asset Catalog. What am I missing? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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388 views

1 answer

iphone - How do I get the CoreData Debug argument to output to the console?

According to Apple documentation on debugging Core Data it says we should be able to pass an argument to the ... 1 is the second parameter. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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388 views

1 answer

iphone - Black screen instead of launch image on iPad

I am developing an iPhone app for iOS 6.1 and 7 (using Xcode 5). I have a problem with iPad launch images ... Asset Catalog. What am I missing? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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470 views

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iphone - How to search an NSSet or NSArray for an object which has an specific value for an specific property?

How to search an NSSet or NSArray for an object which has an specific value for an specific property? Example: I ... this kind of stuff, right? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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489 views

1 answer

iphone - Custom Arabic font in iOS

I am trying to make an iphone application that displays mainly Arabic language content. I want to use a custom Arabic ... , and it worked!... See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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487 views

1 answer

iphone - How to detect a pause in input for UISearchBar/UITextField?

I have the following UISearchbar code: - (void)searchBar:(UISearchBar *)searchBar textDidChange:(NSString *)searchText { [ ... can I do this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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403 views

1 answer

iphone - How to detect a pause in input for UISearchBar/UITextField?

I have the following UISearchbar code: - (void)searchBar:(UISearchBar *)searchBar textDidChange:(NSString *)searchText { [ ... can I do this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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457 views

1 answer

iphone - Dynamically getting height of UILabel according to Text return different Value for iOS 7.0 and iOS 6.1

I am using the this method for getting the height of the UILabel Dynamically: +(CGSize) GetSizeOfLabelForGivenText ... a different value. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

465 views

1 answer

iphone - Interface orientation in iOS 6.0

How to use the following methods to support interface orientation in iOS 6.0: shouldAutorotate ... answers. Thanks. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

478 views

1 answer

iphone - iTunes api, lookup by bundle ID?

Is there any way to use the iTunes API to lookup information based on the unique app bundleId? I have an ... when/if apple makes API change. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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381 views

1 answer

iphone - XCode 5 Crashes on AppStore Validation

I'm new to iOS Development and may very well have missed something relevant. I have an app developed in ... .dylib 0x00007fff8edcb7e1 start + 1 See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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696 views

1 answer

iphone - How does -performSelector:withObject:afterDelay: work?

I am currently working under the assumption that -performSelector:withObject:afterDelay: does not utilize threading, but ... time to complete? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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652 views

1 answer

iphone - What is __NSArrayI and __NSArrayM? How to convert to NSArray?

What is __NSArrayI and __NSArrayM? __NSArrayI(or M) cause "unrecognized selector" error. How to convert to ... object is __NSArrayM class. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

480 views

1 answer

iphone - App submission failed due to icon dimensions (0 x 0)

I am trying to submit an app which is only for iPhone. The error showed " iPhone/iPod Touch: Icon.png ... Could anyone knows the problem? Thanks See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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460 views

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iphone - drawRect not being called in my subclass of UIImageView

I have subclassed UIImageView and tried to override drawRect so I could draw on top of the image using Quartz ... I incorrectly overridden it? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

737 views

1 answer

iphone - "Pushing the same view controller instance more than once is not supported" exception

I am using the following code to retrieve some messages and putting them into my inbox. MyInboxVC *inboxVC=[MyInboxVC ... What am I doing wrong? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

585 views

1 answer

iphone - SKPaymentQueue addTransactionObserver asking for App Store password on startup after in-app purchase

My app is using in-app purchases, and most of my users can purchase just fine without any problems. For ... can you prune the SkPaymentQueue? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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908 views

1 answer

iphone - Why Safari shows "No Inspectable Applications" during remote debugging with iOS 6 device?

When I connect my iOS 6 device for remote debugging for testing my mobile web application, The safari develop menu ... . Why this is happening? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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356 views

1 answer

iphone - How to present a splash/login view controller using storyboards

I've seen this question in various forms without a clear answer. I'm going to ask and answer here. ... be cleanly contained somewhere obvious. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

427 views

1 answer

iphone - iOS: Get pixel-by-pixel data from camera

I'm aware of AVFoundation and its capture support (not too familiar though). However, I don't see any readily ... that's been JPEG-compressed? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

588 views

1 answer

iphone - kCVPixelFormatType_420YpCbCr8BiPlanarFullRange frame to UIImage conversion

I have an app that capture live video in kCVPixelFormatType_420YpCbCr8BiPlanarFullRange format to process Y channel. According ... } Thank you! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

351 views

1 answer

iphone - Adding Images to UITextView

In my app I have a UITextView and a button just below the text view to insert a photo into the UITextView ... 's app's own UITextView: See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

422 views

1 answer

iphone - How to customize UILabel clickable

What I want: In an iPhone app, I'd like to show information in a tableView. In each cell, the text is like: ... all in one line in the sample. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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