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Recent questions tagged iPhone
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iphone - How to set a custom font for entire iOS app without specifying size
I'm trying to apply a custom font throughout my iOS app. I found that I could use: [[UILabel appearance] setFont ... but not size? Thanks a lot! See Question&Answers more detail:os...
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Oct 17, 2021
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iphone
0
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486
views
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iphone - Xcode "Use of undeclared identifier" errors, compiles/runs just fine
I've got an incredibly annoying issue that is hampering my workflow. In my project I have "User of undeclared ... derived data... Any ideas? See Question&Answers more detail:os...
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Oct 17, 2021
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623
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iphone - Get path to trace out a character in an iOS UIFont
Suppose I have a custom font "Foo" that I'm using in my iOS App. I've added it to my project, plist ... hints on how to accomplish this? Thanks! See Question&Answers more detail:os...
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Oct 17, 2021
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Technique[技术]
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iphone
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545
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answer
iphone - AVAudioPlayer: How to Change the Playback Speed of Audio?
I want to control the playback speed of audio in AVAudioplayer. Is this possible? If so, how would you do it? 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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iphone
0
votes
496
views
1
answer
iphone - Gesture problem: UISwipeGestureRecognizer + UISlider
Got a gesture related problem. I implemented UISwipeGestureRecognizer to get swipe left and right events and that is working ... //Do stuff } } 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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iphone
0
votes
465
views
1
answer
iphone - Split NSData objects into other NSData objects of a given size
I have an NSData object of approximately 1000kB in size. Now I want to transfer this via Bluetooth. It would be ... .?) Thank you in advance. 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
points)
iphone
0
votes
536
views
1
answer
iphone - Push-Notification Badge auto increment
I've been implementing the push service to my application, and I've been thinking about the application's ... counting system server-sided?? See Question&Answers more detail:os...
asked
Oct 17, 2021
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Technique[技术]
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71.8m
points)
iphone
0
votes
380
views
1
answer
iphone - How to know if a UITextField in iOS has blank spaces
I have a UITextField where user can enter a name and save it. But, user should not be allowed to enter ... enter only white spaces(blank spaces) 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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iphone
0
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434
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1
answer
iphone - UISlider to control AVAudioPlayer
I'm trying to implement a little function in my app. I am currently playing sounds as AVAudioPlayers and that ... Thanks to everyone in advance 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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iphone
0
votes
444
views
1
answer
iphone - How to convert ASCII value to a character in Objective-C?
I was wondering if anyone has the following php function equivalents in Objective-C for iPhone development: ord() ... ASCII value. Many thanks! 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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iphone
0
votes
430
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1
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iphone - Text in UITextField moves up after editing (center while editing)
I have a strange problem. I have an UITextField in which the user should write the amount of something, so the field ... 0.2 alpha, that's ok. 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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iphone
0
votes
477
views
1
answer
iphone - get current date from [NSDate date] but set the time to 10:00 am
How can I reset the current date retrieved from [NSDate date] but then change the time to 10:00 in the morning. 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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iphone
0
votes
409
views
1
answer
iphone - Passing through touches to UIViews underneath
I have a UIView with 4 buttons on it and another UIView on top of the buttons view. The top most view ... through it's touches to View3? 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)
iphone
0
votes
371
views
1
answer
iphone - Saving Geotag info with photo on iOS4.1
I am having major issues trying to save a photo to camera roll with geotag info on iOS4.1. I am using ... . Any help is greatly appreciated. See Question&Answers more detail:os...
asked
Oct 17, 2021
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Technique[技术]
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71.8m
points)
iphone
0
votes
540
views
1
answer
iphone - Getting video from ALAsset
Using the new asset library framework available in iOS 4 i see that I can get the url for a given video ... library? Thanks for your help. 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)
iphone
0
votes
659
views
1
answer
iphone - Catching error: Corrupt JPEG data: premature end of data segment
When creating an UIImage with corrupt/incomplete JPEG data, the console will print out <Error>: Corrupt JPEG data: ... way to catch the error? 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)
iphone
0
votes
372
views
1
answer
iphone - AVPlayer And Local Files
I am building a MP3 player for iOS that plays audio files hosted on the web. I want to offer the ability to ... and http files. Hope this helps! 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)
iphone
0
votes
373
views
1
answer
iphone - SQLite database on PhoneGap
I want to implement SQLite database for iPhone using PhoneGap. I know some basics SQLite database in iPhone ... SQLite database in PhoneGap? 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)
iphone
0
votes
420
views
1
answer
iphone - How can I manually switch between UIViewControllers in storyboard?
All I need is to view a UIView controller in same storyboard file manually with code. I use ... IBOutlet UIButton *AttackButtonPressed; @end 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)
iphone
0
votes
422
views
1
answer
iphone - Check iOS version at runtime?
This is sort of a follow on from my last question. I am using beginAnimations:context: to setup an animation ... to which statement to use? 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)
iphone
0
votes
398
views
1
answer
iphone - Getting an error from push notification
In my app, I need push notifications. I am implementing all the instructions from the push notifications docs. But I ... What I am doing wrong? 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)
iphone
0
votes
534
views
1
answer
iphone - Objective-C Category Causing unrecognized selector
My project has a UIImage category function that I want to call from another class. I properly import the ... -[CALayer layoutIfNeeded] + 111 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)
iphone
0
votes
423
views
1
answer
iphone - How do i compile a static library (fat) for armv6, armv7 and i386
I know this question has been posed several times, but my goal is slightly different with regard to what ... a traditional unix library. 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)
iphone
0
votes
446
views
1
answer
iphone - UTF8 character decoding in Objective C
I am trying to parse a feed from a json webservice on my iPhone however the utf8 conversion is not working the ... fix how to parse this feed. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
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深蓝
(
71.8m
points)
iphone
0
votes
509
views
1
answer
iphone - Jquery-ui sortable doesn't work on touch devices based on Android or IOS
Is there any fix to make Jquery-ui sortable work on touch devices based on Android or IOS? See Question&Answers more detail:os...
asked
Oct 17, 2021
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Technique[技术]
by
深蓝
(
71.8m
points)
iphone
0
votes
488
views
1
answer
iphone - How can you read a files MIME-type in objective-c
I am interested in detecting the MIME-type for a file in the documents directory of my iPhone application. A ... did not provide any answers. 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
(
71.8m
points)
iphone
0
votes
481
views
1
answer
iphone - Checkbox in iOS application
I need to add checkbox controls to my form. I know that there is no such control in iOS SDK. How could I do 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)
iphone
0
votes
377
views
1
answer
iphone - How to steal touches from UIScrollView?
Today on my creative time I did some quite comprehensive research on how to steal touches from a UIScrollView and send ... it). Thanks! :) 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)
iphone
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