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Recent questions tagged objective
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objective c - UITabBarController Rotation Issues in ios 6
Ack! I had my tabbar rotation issues resolved finally in iOS 5, but iOS 6 and xcode seem to have broken things. ... it for a while Thanks, Zack See Question&Answers more detail:os...
asked
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Technique[技术]
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614
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objective c - How can I get the iOS device CPU architecture in runtime
Is there a way to identify the iOS device CPU architecture in runtime? Thank you. See Question&Answers more detail:os...
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Oct 17, 2021
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Technique[技术]
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329
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objective c - Saving a NSArray
I would like to save an NSArray either as a file or possibly use user defaults. Here's what I am hoping to do. ... if so how should I do this? See Question&Answers more detail:os...
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Oct 17, 2021
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0
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319
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answer
objective c - iOS: Compare two NSDate-s without time portion
I want to compare two dates: date1 and date2 2011-06-06 12:59:48.994 Project[419:707] firstDate:2011-06-06 ... in the NSLog null values, why?? See Question&Answers more detail:os...
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Oct 17, 2021
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Technique[技术]
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71.8m
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objective
0
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456
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1
answer
objective c - Alternate Icon in iOS 10.3
I have the info on how to set up alternate icons in iOS 10.3 adding the key in the Info.plist. However, ... s the rule on the alternate ones? See Question&Answers more detail:os...
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Oct 17, 2021
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Technique[技术]
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深蓝
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71.8m
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objective
0
votes
296
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answer
objective c - xcode 6 IB_DESIGNABLE- not loading resources from bundle in Interface builder
I am trying to make a custom control that updates live in Interface Builder using the new IB_DESIGNABLE option ... drawInRect:self.bounds]; See Question&Answers more detail:os...
asked
Oct 17, 2021
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Technique[技术]
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深蓝
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71.8m
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objective
0
votes
341
views
1
answer
objective c - How to know exactly when a UIScrollView's scrolling has stopped?
In short, I need to know exactly when the scrollview stopped scrolling. By 'stopped scrolling', I mean the ... the speed to something random. See Question&Answers more detail:os...
asked
Oct 17, 2021
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Technique[技术]
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深蓝
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71.8m
points)
objective
0
votes
859
views
1
answer
objective c - Default value of BOOL
What is the default value of a BOOL variable in Objective-C? See Question&Answers more detail:os...
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Oct 17, 2021
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Technique[技术]
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深蓝
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71.8m
points)
objective
0
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621
views
1
answer
objective c - NSString - Convert to pure alphabet only (i.e. remove accents+punctuation)
I'm trying to compare names without any punctuation, spaces, accents etc. At the moment I am doing the ... this more efficient. Any ideas? See Question&Answers more detail:os...
asked
Oct 17, 2021
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Technique[技术]
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深蓝
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71.8m
points)
objective
0
votes
392
views
1
answer
objective c - myView.frame.origin.x = value; does not work - But why?
I know that I can't use this: myView.frame.origin.x = 25.0; and that I have to use this instead: ... required as left operand of assignment". See Question&Answers more detail:os...
asked
Oct 17, 2021
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Technique[技术]
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深蓝
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71.8m
points)
objective
0
votes
388
views
1
answer
objective c - iOS storyboard passing data navigationViewController
I have problem with proper passing data between view's but not in standard way. Picture describing ... have independent Navigation Controllers? See Question&Answers more detail:os...
asked
Oct 17, 2021
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Technique[技术]
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深蓝
(
71.8m
points)
objective
0
votes
494
views
1
answer
objective c - How to correctly present a popover from a UITableViewCell with UIPopoverArrowDirectionRight or UIPopoverArrowDirectionLeft
I always try to present a popover from a cell inside a tableView this way: [myPopover presentPopoverFromRect:cell ... detailView of a splitView. See Question&Answers more detail:os...
asked
Oct 17, 2021
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Technique[技术]
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深蓝
(
71.8m
points)
objective
0
votes
421
views
1
answer
objective c - Find which child view was tapped when using UITapGestureRecognizer
How do I know on which of the the child views an event occurred when using UIGestureRecognizers? According to the ... will be the parent view. See Question&Answers more detail:os...
asked
Oct 17, 2021
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Technique[技术]
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深蓝
(
71.8m
points)
objective
0
votes
356
views
1
answer
objective c - Drawing incrementally in a UIView (iPhone)
As far as I have understood so far, every time I draw something in the drawRect: of a UIView, the ... (context); } Thanks everyone! See Question&Answers more detail:os...
asked
Oct 17, 2021
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Technique[技术]
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深蓝
(
71.8m
points)
objective
0
votes
417
views
1
answer
objective c - Xcode: Delete line hot-key
I'm looking for a way to map some hot-keys to "delete the line that my cursor is on" in Xcode. I ... the same thing if possible. Any ideas? See Question&Answers more detail:os...
asked
Oct 17, 2021
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Technique[技术]
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深蓝
(
71.8m
points)
objective
0
votes
403
views
1
answer
objective c - Why is this dispatch_sync() call freezing?
I'm using the Kiwi testing framework to test an authentication method in my app. The test freezes at a call to ... , if anyone has any hints. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
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深蓝
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71.8m
points)
objective
0
votes
434
views
1
answer
objective c - Keep iphone active while running program
how to set iPhone device to stay active ( to not lock ) while my app is running ? Any idea See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
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深蓝
(
71.8m
points)
objective
0
votes
271
views
1
answer
objective c - Why do all backgrounds disappear on UITableViewCell select?
My current project's UITableViewCell behavior is baffling me. I have a fairly straightforward subclass of UITableViewCell. ... I correct this? See Question&Answers more detail:os...
asked
Oct 17, 2021
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Technique[技术]
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深蓝
(
71.8m
points)
objective
0
votes
326
views
1
answer
objective c - iOS8 - constraints ambiguously suggest a height of zero
Has anyone got any idea how to debug this? Warning once only: Detected a case where constraints ambiguously suggest a ... seem to be happy... See Question&Answers more detail:os...
asked
Oct 17, 2021
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Technique[技术]
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深蓝
(
71.8m
points)
objective
0
votes
391
views
1
answer
objective c - How to implement an accordion view for an iPhone SDK app?
Has anyone seen an implementation of an "accordion" (maybe called "animated outline") view for the iPhone? I found ... to know it's possible! See Question&Answers more detail:os...
asked
Oct 17, 2021
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Technique[技术]
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深蓝
(
71.8m
points)
objective
0
votes
261
views
1
answer
objective c - UIWebView dones't resize correctly when orientation change?
I have add a webview,a titleLabel and a coverflowView on a viewcontroller's view as its subviews, I want it to ... //透明 [super viewDidLoad]; } See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
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深蓝
(
71.8m
points)
objective
0
votes
466
views
1
answer
objective c - Code sample for capturing audio from a Mac in Cocoa and saving to file?
I'm due to work on a small application that captures audio from the Mac's Audio Queue and needs to save it ... , agnostic of the input source. See Question&Answers more detail:os...
asked
Oct 17, 2021
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Technique[技术]
by
深蓝
(
71.8m
points)
objective
0
votes
278
views
1
answer
objective c - Animate infinite scrolling of an image in a seamless loop
Currently I have an image of clouds of 2048x435 that scrolls across a Landscaped oriented UIImageView of 1024x435 ... [super viewDidLoad]; } See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
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深蓝
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71.8m
points)
objective
0
votes
386
views
1
answer
objective c - Making some code only run once
I have some code that I would like to run only once in my MainViewController. It should run every time the user starts ... = 1; } } Any ideas? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
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深蓝
(
71.8m
points)
objective
0
votes
393
views
1
answer
objective c - In Cocoa do you prefer NSInteger or int, and why?
NSInteger/NSUInteger are Cocoa-defined replacements for the regular built-in types. Is there any benefit to using the ... / 64-bit platforms? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
objective
0
votes
591
views
1
answer
objective c - ios 11 UITabBar UITabBarItem positioning issue
I have built my app using new Xcode 9 beta for ios 11. I have found an issue with UITabBar where items are ... the left most corner of an iPad. See Question&Answers more detail:os...
asked
Oct 17, 2021
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Technique[技术]
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深蓝
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71.8m
points)
objective
0
votes
413
views
1
answer
objective c - Finding file's size
In my iPhone app I am using the following code to find a file's size. Even though the file exists, ... int fileSize = [fileAttributes fileSize]; See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
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深蓝
(
71.8m
points)
objective
0
votes
479
views
1
answer
objective c - How to identify previous view controller in navigation stack
I have 2 seperate navigationcontrollers, one with RootViewController A and the other with RootViewController B. I am able to ... to A or B? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
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深蓝
(
71.8m
points)
objective
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