Recent questions tagged objective

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objective c - *Accurately* calculating text height in Cocoa (for Mac, not iOS)

How can I calculate the height of a string within a particular label (NSTextField), for some given fixed width? ... (given a particular width)? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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680 views

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objective c - Get ALL views and subview of NSWindow

Is there a way I can get ALL the views and subviews and subviews of these subviews (you get the idea...) of an NSWindow? Thanks. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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503 views

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objective c - iPhone App : How to get default value from root.plist?

I am working on an iPhone app I read a key from root.plist like this : NSString *Key1Var = [[NSUserDefaults ... the first time? Regards, Harish See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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387 views

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objective c - What should I do if I can't find the GPUImage.h header for the GPUImage framework?

I have created a sample application to perform bump distortion, using the GPUImage framework. I added this ... my application to compile? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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507 views

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objective c - UITableView height based on number of cells

I have a UITableView with a variable number of rows (cells) - the height of these rows is constant. What I would ... , etc... Thanks in advance! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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389 views

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objective c - Xcode5 Code Coverage (from cmd-line for CI builds)

How can I generate code coverage with Xcode 5 and iOS7? Prior to upgrading I was getting code coverage just fine. ... or is this an Xcode bug? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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558 views

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objective c - Send email from Cocoa

How can I send an email from a Cocoa app without using any email clients ? I have NSURL but it opens ... send the email without this happening. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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454 views

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objective c - Key Value Observing - how to observe all the properties of an object?

I am happy with the use of Key Value Observing (KVO), and how to register to receive notifications of property ... for each and every property? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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412 views

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objective c - How to use Facebook deferred deep linking feature for new installs and to test the same before publishing iOS App to appStore?

I have done some exploration and have found the following things, this is what I have done so far: Implemented ... my iOS APP to appStore. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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497 views

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objective c - What is the correct way to declare a readonly property for ios using ARC

I am new to iOS development in general and have never dealt with manual reference counting (retain, release, ... object will be deallocated). See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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310 views

1 answer

objective c - iOS - 2d image turn into a 3d

I was checking out this cool app called Morfo. According to their product description - Use Morfo to quickly ... libraries they might be using? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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483 views

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objective c - Observing NSMutableDictionary changes

Is it possible to observe (subscribe to) changes to values stored under different keys in an NSMutableDictionary? In ... of luck in that case? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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292 views

1 answer

objective c - Static Library using frameworks in specific projects

I have created a static library containing all my generic classes. Some of these classes use frameworks. Now I ... that use my static library? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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421 views

1 answer

objective c - Building a distributable static library that uses cocoapods

I'm building a static library to be distributed to other iOS developers and having some trouble configuring the ... in the public headers? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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529 views

1 answer

objective c - Is a literal NSString autoreleased or does it need to be released?

When creating a string using the following notation: NSString *foo = @"Bar"; Does one need to release foo? Or is foo autoreleased in this case? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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354 views

1 answer

objective c - How to securely include secret key/signature in iOS/Cocoa apps

a long time ago I learned that this is a bad idea. Please don't try what I'm asking below I want to ... shouldn't be a concern. Thanks, M See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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580 views

1 answer

objective c - sort NSDictionary values by key alphabetical order

I can get an array of dictionary keys sorted by values, but how to I get an array of values sorted by ... with no luck. Any help appreciated. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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486 views

1 answer

objective c - How to programmatically make cocoa application active

I've got a background process that makes a transparent window appear when a hotkey is pressed: [window ... any assistance needed :-) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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464 views

1 answer

objective c - Rounded corners in a UITableView (iOS7)

In iOS7, how can I draw cell's rounded corners in a UITableView? See an example: See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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509 views

1 answer

objective c - lldb error: variable not available

Here are my two lines of code: NSString *frontFilePath = [[NSBundle mainBundle] pathForResource:[self.bookendFileNames ... , figure out why. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

504 views

1 answer

objective c - Xcode project how to detect target programmatically or how to use env vars

I want to do an Application test that parses some json, stores to core data, and reads out some objects. How ... I would be even more delighted. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

613 views

1 answer

objective c - Implicit declaration of function - C99

I am currently using Xcode 4, and in my .pch file I have this macro: #define localize(s) NSLocalizedString((s), ... so I don't get a warning? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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529 views

1 answer

objective c - Is Macro Better Than UIColor for Setting RGB Color?

I have this macro in my header file: #define UIColorFromRGB(rgbValue) [UIColor colorWithRed:((float)((rgbValue & ... is the better approach? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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372 views

1 answer

objective c - Core Data versioning and migrating with custom policy

I've found documentation very limited and my problem solution nowhere. I need to add new entity (with ... to accomplish this challenge? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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514 views

1 answer

objective c - check enough space on iphone device before downloading files

right now i am able to download remote files successfully, but this is only if user can select one file ... downloading? thank you in advance See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

371 views

1 answer

objective c - Google Maps iOS SDK move "My Location" button to bottom left hand corner

Using the Google Maps for iOS SDK, the "My Location" button is by default placed in the bottom right hand ... to work yet, apparently not. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

478 views

1 answer

objective c - AES256 NSString Encryption in iOS

My app encrypts and decrypts (or it should) an NSString (the text to be encrypted / decrypted) with another ... this code produce a result? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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347 views

1 answer

objective c - How do i resolve EXC_BAD_ACCESS errors encountered in iphone development

I'm trying to do a simple thing; read an image from the internet, save it to the app's documents ... the problem in the code originally. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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