Recent questions tagged iPhone

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My app involves music(iPodMusic), and there is a UISwitch toggling play/pause. My goal is to be able to detect if ... and 'pause' if it isn't. See Question&Answers more detail:os...

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

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600 views

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iphone - Cocoa thread synchronisation when using [ALAssetsLibrary enumerateGroupsWithTypes:]

I have recently, like a few people, discovered that [ALAssetsLibrary enumerateGroupsWithTypes] likes to run its blocks on ... as always, 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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541 views

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iphone - How can I pass a parameter to this function?

I have the following code: [replyAllBtn addTarget:self.target action:@selector(ReplyAll:) forControlEvents: ... ReplyAll function? See Question&Answers more detail:os...

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

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681 views

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iphone - heightForRowAtIndexPath being called for all rows & how many rows in a UITableView before performance issues?

I thought I had read that for a UITableView that heightForRowAtIndexPath doesn't get called on all rows, but only on ... would one do this in? See Question&Answers more detail:os...

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

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550 views

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iphone - NSDateComponents - day method returning wrong day

I can't seem to figure out why the day doesn't change when I get to the 6th of November, 2011. All I'm doing ... 06:00:00 +0000 Day: 7 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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514 views

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iphone - What is the best way for supporting both screen resolution of iPhone4 and iPhone5 ? - Auto layout in only iOS6

Have anyone figured out how to support both screen resolution iPhone4 and iPhone 5 ? In iOS6 we have support ... applicable to all developers. See Question&Answers more detail:os...

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

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715 views

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iphone - Dynamically Changing Keyboard Type for a UISearchBar

I have an iPhone app that uses a UISearchBar and UISearchDisplayController. The search bar has three scope buttons. I ... it and then reshow 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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738 views

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iphone - Force viewDidLoad to fire on iOS

I have two window app and while I present first window I would like the view in second window to load and ... window is key and presented)? See Question&Answers more detail:os...

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

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706 views

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iphone - Update UITableViewCell without reload

So here's my situation: I have a UITableView where each cell has some buttons. In the cellForRowAtIndexPath I set ... there is a better way. See Question&Answers more detail:os...

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

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574 views

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iphone - Multiple UIInterfaceOrientations app with iOS 6

I'm having a bad time trying to set the new UIInterfaceOrientations from iOS 6. Resuming my app: My app have a ... this? Thank you 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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544 views

1 answer

iphone - Why is my EAGLVIew not rendering anymore in iOS 4.2?

Upgrading to the iOS SDK 4.2 I'm experiencing several misbehaviors in my application (another one is asked ... related to the view dimensions See Question&Answers more detail:os...

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

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759 views

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iphone - AVAudioPlayer Memory Leak - Media Player Framework

I am using AVAudioPlayer object to play an audio. I created an audioPlayer object initially. I play an ... Thanks and regards, krishnan. See Question&Answers more detail:os...

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

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533 views

1 answer

iphone - Passing Values Between Master and Detail in UISplitViewController Using Storyboards

I have defined the protocol in Customer.h file which is shown below: @class Customer; @protocol CustomerDelegate < ... .delegate = detail; } See Question&Answers more detail:os...

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

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634 views

1 answer

iphone - Max image width in Mobile Safari? Getting unwanted downscaling on panos

I want to display very wide, panoramic images in Mobile Safari (iPhone, iPod, iPad). These work fine in OS ... in JavaScript to be effective. See Question&Answers more detail:os...

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

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641 views

1 answer

iphone - UITableView does not respond to scrolling the first time it's loaded

I have found that the first time a UITableView loads, it does not respond to scrolling touches -- if it does not ... ] : nil; return cell; } See Question&Answers more detail:os...

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

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607 views

1 answer

iphone - How to read cell data from an Excel document with objective-c

I'm building an iPhone app that has to download an Excel (.xls) file from a website and perform a ... the individual cells using objective-c? See Question&Answers more detail:os...

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

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767 views

1 answer

iphone - Is it possible to customize the color of a UIMenuController?

The default background color is black. How can I change the color, similar to tintColor for navigation bars? See Question&Answers more detail:os...

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

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645 views

1 answer

iphone - iOS in-app-purchase restore returns many transactions

When I am restoring my previous purchase. Storekit is calling updateTransations with large number of previous transactions ... same product id? See Question&Answers more detail:os...

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

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646 views

1 answer

iphone - UIPickerview customisation

I would like to do some customization of the UIPickerView. End Goal: have a picker view rotating a few icon sized ... to do what i want). See Question&Answers more detail:os...

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

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609 views

1 answer

iphone - Why NSMutableDictionary don't want write to file?

- (void)viewDidLoad { [super viewDidLoad]; if ([[NSFileManager defaultManager] fileExistsAtPath:pathString]) { infoDict ... write a dictionary. See Question&Answers more detail:os...

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

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592 views

1 answer

iphone - Does IOS support all Unicode emojies?

Hello All, I have a problem regarding Unicode characters. I'm able to append Apple Art Work Unicode Characters in ... is not clear for 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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647 views

1 answer

iphone - Terminating app due to uncaught exception 'NSRangeException', reason: '*** -[NSMutableArray objectAtIndex:]: index 1 beyond bounds [0 .. 0]'

i'm receiving the following errors, very new to iphone dev and objective C. I am very much willing to ... "objc_exception_throw" resolved (gdb) See Question&Answers more detail:os...

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

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534 views

1 answer

iphone - Implementing UIScrollView programmatically

In the page control sample from apple there is a ScrollView in the interface builder. It is linked with the ... it still doesn't work. See Question&Answers more detail:os...

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

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576 views

1 answer

iphone - Adding a route to a MKMapView

I'm trying to add a routing feature to an app I'm working on. I found Craig Spitzkoff's article on ... my current position and another address? See Question&Answers more detail:os...

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

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622 views

1 answer

iphone - Callback for UITableView animations

Is there a delegate protocol that includes a callback for the end of animated changes to UITableView? Particularly reloadSection/Rows? See Question&Answers more detail:os...

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

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590 views

1 answer

iphone - Getting pixel data from UIImageView -- works on simulator, not device

Based on the responses to a previous question, I've created a category on UIImageView for extracting pixel data. This ... ]; } return color; } See Question&Answers more detail:os...

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

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750 views

1 answer

iphone - Add more than 20 regions to geofencing ios

I want to add 100 of regions to geofencing.(apple limit it to 20)any one have better idea for it.please help ... will be effect to the battery. 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 - Core Animation or OpenGL ES?

I want to do the following: Tap the screen and draw 3 cricles around the the tapped point. Is it better to do ... OpenGL ES? Where do I start? See Question&Answers more detail:os...

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

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