Recent questions tagged cocoa

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cocoa touch - Limiting text in a UITextView

I am trying to limit the text input into a UITextView in cocoa-touch. I really want to limit the amount of rows ... to checking for " "? Thanks. 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

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cocoa touch - Invalid redeclaration of UITableViewDataSource method?

I'm trying to implement the required methods of UITableViewDataSource but I'm getting a weird error: " ... NSIndexPath) -> UITableViewCell See Question&Answers more detail:os...

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

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465 views

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cocoa touch - How to send SMS from an iPhone app without opening the SMS interface?

I am making an iPhone app, where the requirement is such that user should be able to send SMS from iPhone ... Please Help and Suggest. Thanks. See Question&Answers more detail:os...

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

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426 views

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cocoa touch - Make UIAlertView blocking

I need make UIAlertView blocking. Because i have function and i need to return UIAlertView choice. But problem ... other suggestions ? Thanks See Question&Answers more detail:os...

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

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654 views

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cocoa - How do I draw an NSString at an angle?

Is there a set of string attributes I can specify that will draw the text at an angle when ... drawAtPoint:textStart withAttributes:attributes]; See Question&Answers more detail:os...

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

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486 views

1 answer

cocoa - How can I determine the running Mac OS X version programmatically?

I have a program which needs to behave slightly differently on Tiger than on Leopard. Does anybody know of a ... running machine. Thanks, Joe See Question&Answers more detail:os...

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

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455 views

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cocoa - Getting the list of running applications ordered by last use

I'd like to get the list of running applications in the same order they appear when doing ? + ? I.e. ... API available to get this information? See Question&Answers more detail:os...

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

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611 views

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cocoa - How can I display the spinning NSProgressIndicator in a different color?

I am using a "spinner" NSProgressIndicator in my cocoa app: I would like to display it in a different color ... front. Any help is appreciated. See Question&Answers more detail:os...

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

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476 views

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cocoa - Borderless NSButton turns gray when clicked

I am making a little application with three NSButtons with an image set. These buttons have no border nor background. ... I fix this? Thanks. See Question&Answers more detail:os...

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

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486 views

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cocoa - How to get a list of all open NSWindow from all running application?

Is there a way to get list of open or visible NSWindow from mac desktop? See Question&Answers more detail:os...

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

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406 views

1 answer

cocoa - Placing an NSTimer in a separate thread

Note: It's probably worth scrolling down to read my edit. I'm trying to setup an NSTimer in a ... screenshots broken and therefor removed. See Question&Answers more detail:os...

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

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488 views

1 answer

cocoa touch - Detect retina screen/iPhone 4 in iPhone SDK

In my application I am downloading some images from the web (from my server to be precise), in order to save ... very obvious but I missed 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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493 views

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cocoa touch - iPhone SDK: Orientation (Landscape and Portrait views)

Okay, I've got my normal app which is in portrait mode. I can force my app to go to landscape mode for a ... that doesn't work.. Any 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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492 views

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cocoa touch - Run MBProgressHUD in another thread?

I am using MBProgressHUD to display a "busy" animation to use user while a UITableView is being populated. ... occupies the main thread? See Question&Answers more detail:os...

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

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687 views

1 answer

cocoa - NSTableView with Plus and Minus buttons

How can I do something like that? I didn't find any appropriate object in the Interface Builder library. Any thoughts? See Question&Answers more detail:os...

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

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523 views

1 answer

cocoa - NSTimer not firing when runloop is blocked

I am just about finished with my app and beta testing found a bug in the stopwatch portion... The ... solution would be greatly appreciated. See Question&Answers more detail:os...

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

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608 views

1 answer

cocoa touch - Objective C - How do I use initWithCoder method?

I have the following method for my class which intends to load a nib file and instantiate the object: ... MyClass alloc] initWithCoder:aCoder]; See Question&Answers more detail:os...

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

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572 views

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cocoa touch - iOS 8 keyboard hides my textview

I have a UIViewController presented using self.accountViewController.modalPresentationStyle = UIModalPresentationFormSheet; and now ... 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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470 views

1 answer

cocoa - Respond to mouse events in text field in view-based table view

I have text fields inside a custom view inside an NSOutlineView. Editing one of these cells requires a ... ] makeFirstResponder:subview]; } See Question&Answers more detail:os...

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

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359 views

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cocoa - Instance Variables for Objective C Categories

I have a situation where it seems like I need to add instance variables to a category, but I know ... instance variables for future reference!) See Question&Answers more detail:os...

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

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347 views

1 answer

cocoa touch - How do I get -[NSString sizeWithFont:forWidth:lineBreakMode:] to work?

I updated my question "Sizing a UILabel (in the iPhone SDK) to fit?" with a description of my problem with a ... 273. That seems more like it. See Question&Answers more detail:os...

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

0 votes

464 views

1 answer

cocoa touch - How to display a progress indicator overlay/HUD on iPhone?

I want to display a progress indicator in a semi-transparent box that floats over a table view. In other words, ... UIViews on the iPhone may. See Question&Answers more detail:os...

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

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643 views

1 answer

cocoa - Strip Non-Alphanumeric Characters from an NSString

I'm looking for a quick and easy way to strip non-alphanumeric characters from an NSString. Probably something ... characters in a string. See Question&Answers more detail:os...

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

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536 views

1 answer

cocoa - Can I receive a callback whenever an NSPasteboard is written to?

I've read Apple's Pasteboard Programming Guide, but it doesn't answer a particular question I have. I'm trying to ... 'll take that too. Thanks! See Question&Answers more detail:os...

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

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570 views

1 answer

cocoa touch - iOS 7 and later: set status bar style per view controller

I tried many ways to set the status bar style (default or lightcontent) but can't get it to work on a per ... } but these methods don't work. See Question&Answers more detail:os...

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

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375 views

1 answer

cocoa touch - What happens to an iPhone app when iPhone goes into stand-by mode?

My app uses NSTimer and it appears that NSTimer doesn't fire when the iPhone goes into the stand-by mode ( ... iPhone is the stand-by mode? See Question&Answers more detail:os...

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

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460 views

1 answer

cocoa - Can I add my own code snippets to xcode 4?

It'd be really handy to have collection KVC accessor snippets in xcode, as they're a pain to do by hand. Has ... to talk about it now, right?) See Question&Answers more detail:os...

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

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539 views

1 answer

cocoa - Execute an Action when the Enter-Key is pressed in a NSTextField?

I have a small problem right now. I want to execute a method when the Enter key is pressed in a NSTextField. The ... as he hits the enter key. See Question&Answers more detail:os...

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

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