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Recent questions tagged iphone
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iphone - Received memory warning. Level=1 when showing a UIImagePickerController
This is driving me crazy!!! I'm getting a "Received memory warning. Level=1" whenever I attempt to show a ... to anyone who can help :) See Question&Answers more detail:os...
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Oct 24, 2021
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iphone
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357
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iphone - UIImage created from CMSampleBufferRef not displayed in UIImageView?
I'm trying to display a UIImage in real-time coming from the camera, and it seems that my UIImageView is ... know if you need more information. See Question&Answers more detail:os...
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Oct 24, 2021
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433
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iphone - Resize UIImage and change the size of UIImageView
I have this UIImageView and I have the values of its max height and max width. What I want to achieve is ... would be much appreciated, thanks! See Question&Answers more detail:os...
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Oct 24, 2021
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iphone
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412
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iphone - What's the difference between KERN_INVALID_ADDRESS and KERN_PROTECTION_FAILURE?
What's the difference between KERN_INVALID_ADDRESS and KERN_PROTECTION_FAILURE on iPhone OS? I have two crash reports from ... in my code. See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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iphone
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348
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iphone - Returning multiple values from a method in Objective-C
I asked a similar question, but I couldn't get it working exactly. I'm building an iPhone app, and there is ... , how would I call this method? See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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iphone
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votes
374
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answer
iphone - How to draw a triangle programmatically
I have a triangle solver, I want a way to use the values I get from the answer to draw a triangle to the screen that matches it. See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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iphone
0
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351
views
1
answer
iphone - How do I set UITableViewCellSelectionStyle property to some custom color?
I am developing an iPhone application, in my table view I wanted custom color for Cell Selection Style, I ... reference? Thanks in advance. See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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71.8m
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iphone
0
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435
views
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answer
iphone - unichar and NSString - how interchangeable are these?
There is an NSString method -characterAtIndex: which returns an unichar. (unichar)characterAtIndex:(NSUInteger)index I ... of unichar items? See Question&Answers more detail:os...
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Oct 24, 2021
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71.8m
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iphone
0
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347
views
1
answer
iphone - Xcode 3.2.1 GCC CLANG and LLVM demystification
The readme included with the new Xcode 3.2.1 this week says the following: Static code analysis is fully ... for a high-level overview. See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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71.8m
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iphone
0
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384
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iphone - Save UIImage, Load it in Wrong Orientation
I am using the following code to save and load images that I pick from either the library or take ... always return as UIImageOrientationUp. See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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71.8m
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iphone
0
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409
views
1
answer
iphone - How to get Duration from AVPlayer (Not AVAudioPlayer)?
I would like to make a UISlider(scrubber) for my AVPlayer. But since this is not an AVAudioPlayer, it doesn' ... seems very hard to understand. See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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71.8m
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iphone
0
votes
525
views
1
answer
iphone - How to change the uitextview font size
can any one help to change the font size in UITextView. [textView setFont:[UIFont fontWithName:@"ArialMT" size:30]] ... one but it doesn't work. See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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71.8m
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iphone
0
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903
views
1
answer
iphone - HTTP "Content-Disposition: attachment" and downloading files on iOS web browser
I want my users to be able to download a PDF file and have the browser treat it as a file, not just ... Safari browser. Not a native app. See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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71.8m
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iphone
0
votes
565
views
1
answer
iphone - How to change uitableview delete button text
Hi there I am trying to change the text that is showing in the delete button when a user swipes a uitableviewcell ... not sure how to use this. See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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71.8m
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iphone
0
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371
views
1
answer
iphone - ObjectiveC Parse Integer from String
I'm trying to extract a string (which contains an integer) from an array and then use it as an int in a ... integer without a cast What's wrong? See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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71.8m
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iphone
0
votes
401
views
1
answer
iphone - How to implement water ripples?
I'm working on an iphone game. In that i had to produce water ripples. I dont know how to get that. I ... this concept. Can any one guide me? See Question&Answers more detail:os...
asked
Oct 24, 2021
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Technique[技术]
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71.8m
points)
iphone
0
votes
294
views
1
answer
iphone - UINavigationBar tintColor with gradient
I'd like to change programmaticaly the tintColor of a UINavigationBar and keep the gradient as in Interface Builder. ... is kept. Any ideas? See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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71.8m
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iphone
0
votes
331
views
1
answer
iphone - How to send post data and image file to server Xcode
How can I upload some text info (a text string) and an image file over the same http post request to server. ... text to work with it. Thanks! See Question&Answers more detail:os...
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Oct 24, 2021
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71.8m
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iphone
0
votes
370
views
1
answer
iphone - Using mergedModelFromBundles: and versioning (CoreData)
I'm trying to use the migration feature in CoreData. I've followed the Apple Documentation. I have a problem in the ... ". Do you have any idea? See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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71.8m
points)
iphone
0
votes
273
views
1
answer
iphone - How do I create/render a UIImage from a 3D transformed UIImageView?
After applying a 3d transform to an UIImageView.layer, I need to save the resulting "view" as a new UIImage... ... : contextInfo:), nil); } See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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71.8m
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iphone
0
votes
351
views
1
answer
iphone - How to get rid of the warning "file was built for unsupported file format" when linking with a static library?
I've an application which includes an external library I developed, and I'm getting the following warning message ... the same library? Thanks! See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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深蓝
(
71.8m
points)
iphone
0
votes
280
views
1
answer
iphone - How do I build an xcode project for the itunes store?
I've got my apps running on my iphone, great, however to list on the itunes store I need the "universal binary" ... for me with a few clicks? See Question&Answers more detail:os...
asked
Oct 24, 2021
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Technique[技术]
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深蓝
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71.8m
points)
iphone
0
votes
393
views
1
answer
iphone - UIWebView and local css file
I want to style a web page meant for the desktop so that it is presentable on a UIWebView on iPhone. I do ... Am I barking up the wrong tree? See Question&Answers more detail:os...
asked
Oct 24, 2021
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Technique[技术]
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深蓝
(
71.8m
points)
iphone
0
votes
397
views
1
answer
iphone - How to change tab bar item text color
How can I change the color of "More.." text in tabbar to match with its icon color. (Right now ... Any suggestions will be really helpful. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
iphone
0
votes
375
views
1
answer
iphone - Using ALAssetsLibrary and ALAsset take out Image as NSData
I wish to extract the image using ALAssetsLibrary and ALAsset directly in the form of a NSData object. Using a ... EXIF details. Please Help. See Question&Answers more detail:os...
asked
Oct 24, 2021
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Technique[技术]
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深蓝
(
71.8m
points)
iphone
0
votes
352
views
1
answer
iphone - What is a runloop?
After reading the documentation for NSRunLoop I did not understand very much. I am spawning a secondary thread that ... to explain it? Thanks. See Question&Answers more detail:os...
asked
Oct 24, 2021
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Technique[技术]
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深蓝
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71.8m
points)
iphone
0
votes
399
views
1
answer
iphone - UITableView scrollToRowAtIndexPath
I'm trying to make my table view remember it's last position, so that after the app is run again, it will ... .row forKey:@"content_row"]; } See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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71.8m
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iphone
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votes
361
views
1
answer
iphone - Calling setCollectionViewLayout:animated does not reload UICollectionView
I am using a UICollectionView with two custom layouts - which are subclassed from UICollectionViewFlowLayout When my view ... to what I want. See Question&Answers more detail:os...
asked
Oct 24, 2021
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Technique[技术]
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深蓝
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71.8m
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