Recent questions tagged iPhone

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iphone - UITextView ruled line background but wrong line height

I have a UITextView where the user can create notes and save into a plist file. I want to be able to ... is another solution to my problem? See Question&Answers more detail:os...

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

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391 views

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iphone - Reject binary with state waiting for review (can't find reject binary button)

I want to reject binary which is waiting for review and when I go to the path that Developer Guide specifies I ... button to reject the binary. See Question&Answers more detail:os...

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

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484 views

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iphone - Pre-buffering for AVQueuePlayer

Does anyone know if AVQueuePlayer starts buffering the next AVPlayerItem when the current item is about to finish ... of behavior or not. See Question&Answers more detail:os...

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

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361 views

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iphone - The executable was signed with invalid entitlements

I am having a problem with ad-hoc distribution on my iPhone. I have developed an application with SDK 3.0. I ... Please help me with this issue. See Question&Answers more detail:os...

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

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571 views

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iphone - Round double value to 2 decimal places

I have a double value as 22.368511 I want to round it to 2 decimal places. i.e. it should return 22.37 How can I do that? See Question&Answers more detail:os...

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

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407 views

1 answer

iphone - How to make a circular UIView

I want to make a UIView or UIImageView that is a circle. Or a circle that i can change the size of using ... the color of with a pickerview. See Question&Answers more detail:os...

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

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320 views

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iphone - Blur specific part of an image (rectangular, circular)?

I want to blur image rectangular or circular. After googling, I found that it is easy to blur whole image but ... possible ??? Thanks in advance See Question&Answers more detail:os...

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

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447 views

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iphone - How to use beginBackgroundTaskWithExpirationHandler for already running task in iOS

In my app, I am uploading images to server from iPhone. While sync if user press home button, App will ... "? Please share your ideas. See Question&Answers more detail:os...

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

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iphone - Is there a UIView resize event?

I have a view that has rows and columns of imageviews in it. If this view is resized, I need to rearrange ... when this view is being resized? See Question&Answers more detail:os...

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

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379 views

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iphone - How do I use the NSString draw functionality to create a UIImage from text

I would like to draw the content of a NSString variable in a UIImage, but I have absolutely no idea how to do ... with the text drawn into it. See Question&Answers more detail:os...

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

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401 views

1 answer

iphone - Changing the background color of a UIAlertView?

I want to change the background color of my UIAlertView, but this doesn't appear to have a color attribute. See Question&Answers more detail:os...

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

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468 views

1 answer

iphone - NSMutableString as retain/copy

I have aa number of NSMutableString's in my app (almost 10-11); all defined as ivar/property @property (nonatomic, ... me know if that is fine. See Question&Answers more detail:os...

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

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640 views

1 answer

iphone - CALayer: add a border only at one side

I can add a border to a CALayer in this way: [webView.layer setBorderColor: [[UIColor colorWithRed:0.6 ... corners-and-border-to-uiwebview.html See Question&Answers more detail:os...

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

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610 views

1 answer

iphone - How to add a 'Done' button to numpad keyboard in iOS

So, the numpad keyboard doesn't come with a 'Done' or 'Next' button by default so I'd like to add one. In iOS ... poor (and it is kind of ugly). See Question&Answers more detail:os...

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

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429 views

1 answer

iphone - Figure out UIBarButtonItem frame in window?

UIBarButtonItem does not extend UIView, so there is nothing like a frame property. But is there any way I ... to the application UIWindow? See Question&Answers more detail:os...

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

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505 views

1 answer

iphone - Core Data Primary Key

This may seem stupid, but I still couldn't figure out how to mark a attribute as a primary key in ... write a validation method or something? See Question&Answers more detail:os...

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

0 votes

296 views

1 answer

iphone - How To add custom View in map's Annotation's Callout's

Here is my code. I want to add my own custom callout view instead of iOS default. I know there is only ... view; return userAnnotationView; } } See Question&Answers more detail:os...

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

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438 views

1 answer

iphone - Getting a list of files in the Resources folder - iOS

Let's say I have a folder in my "Resources" folder of my iPhone application called "Documents". Is there a ... Documents...]; Is this possible? See Question&Answers more detail:os...

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

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673 views

1 answer

iphone - Finding distance from RSSI value of Bluetooth Low Energy enabled device

I am working on Bluetooth low energy concept project. I am getting the RSSI value between 1 and 100. ... advertisementData RSSI:(NSNumber *)RSSI See Question&Answers more detail:os...

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

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366 views

1 answer

iphone - Linking a static library to an iOS project in Xcode 4

I have a project (AQGridView) that compiles to a static library, but I can't seem to add it to my project. ... use it in an Xcode 4 project? See Question&Answers more detail:os...

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

0 votes

466 views

1 answer

iphone - Checkbox image toggle in UITableViewCell

I need some guidance on creating a UITableViewCell that has an image on the left which can be toggled. ... performing a [tableView reloadData]? See Question&Answers more detail:os...

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

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513 views

1 answer

iphone - addSubview animation

I have main UIView where I display different data. Then I put a button, which displays subview like this: - ( ... . Is there some simple code? See Question&Answers more detail:os...

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

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345 views

1 answer

iphone - Watching memory usage in iOS

Is there any way to find out how much memory is available in iOS? I know that the system will pass low ... even guaranteed to work. Thanks! Ron See Question&Answers more detail:os...

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

0 votes

389 views

1 answer

iphone - Orientation in a UIView added to a UIWindow

I have a UIView which is supposed to cover the whole device (UIWindow) to support an image zoom in/out ... added to the UIWindow directly. See Question&Answers more detail:os...

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

0 votes

365 views

1 answer

iphone - How to manage Enterprise Distribution certificate expiration?

Our customer has just joined the iOS Developer Enterprise Program. They have signed the app (developed by us) ... wait for the resigned apps? See Question&Answers more detail:os...

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

0 votes

402 views

1 answer

iphone - How to add a push pin to a MKMapView(IOS) when touching?

I had to get the coordinate of a point where the user touch on a MKMapView. I'm not working with the Interface ... Can you give me one example? See Question&Answers more detail:os...

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

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327 views

1 answer

iphone - NSFetchedResultsController with sections created by first letter of a string

Learning Core Data on the iPhone. There seem to be few examples on Core Data populating a table view with sections. The ... Root"]; //.... } See Question&Answers more detail:os...

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

0 votes

391 views

1 answer

iphone - UIImagePickerController in Landscape

I have been searching for an answer to this, but cannot come up with anything. Apparently, iPhone SDK 3.0 made ... for me. Thanks for any help! See Question&Answers more detail:os...

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

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