Recent questions tagged cocoa

0 votes

755 views

1 answer

cocoa touch - Frosted Glass (iOS 7 Blur) Effect

I am trying to apply a frosted glass effect in a UIImageView. I tried to implement what I've found in this ... places. How can we reproduce it? See Question&Answers more detail:os...

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

0 votes

486 views

1 answer

cocoa - Mac App Store Receipt Validation Code?

Wondering if anyone has a tutorial or working code for the new Mac App Store's receipt validation? About ... other good references out there? See Question&Answers more detail:os...

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

0 votes

440 views

1 answer

cocoa - Object allocate and init in Objective C

What is the difference between the following 2 ways to allocate and init an object? AController *tempAController ... then release immediately? See Question&Answers more detail:os...

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

0 votes

662 views

1 answer

cocoa - How to convert CFStringRef to NSString?

NSString *aNSString; CFStringRef aCFString; aCFString = CFStringCreateWithCString(NULL, [aNSString UTF8String], ... from aCFString? See Question&Answers more detail:os...

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

0 votes

371 views

1 answer

cocoa - How to add these object with name to the array by this order?

I have some object with name , just like button 1 , button 2 , button 11 ,button 111 , I want to add this ... .why ? Thank you for your answer! See Question&Answers more detail:os...

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

0 votes

497 views

1 answer

cocoa - RestKit 2.0 : Mapping - second entitiy nil when not unique

I am trying to map an array of 'Comments' to a Comment entity that has a sub-entity 'testUser', the ... (with relationship t0)-> TestUser See Question&Answers more detail:os...

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

0 votes

646 views

1 answer

cocoa - NSMutableData datawithBytesNoCopy:length:freeWhenDone: seems to make a copy of the buffer provided to it

According to Apple documentation, the class method +datawithBytesNoCopy:length:freeWhenDone: inherited from NSData Creates ... any ownership? See Question&Answers more detail:os...

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

0 votes

509 views

1 answer

cocoa touch - Animating Frame of UILabel smoothly

I've been trying to figure out a decent way to smoothly animate a frame size change on a UILabel, without a ... ? Thanks for any help, Scott See Question&Answers more detail:os...

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

0 votes

447 views

1 answer

cocoa touch - Hit detection when drawing lines in iOS

I would like to allow the user to draw curves in such a way that no line can cross another line or even ... on how to accomplish this task? See Question&Answers more detail:os...

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

0 votes

565 views

1 answer

cocoa - Ideal way to single-instance apps on the Mac

On Windows, it's common practice to create a named mutex and use the presence of that to determine that an instance ... would assume 2 or 3... See Question&Answers more detail:os...

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

0 votes

526 views

1 answer

cocoa touch - Adding a UINavigationController as a subview of UIView

I'm trying to display a UILabel on top of a UINavigationController. The problem is that when I add the UILabel ... items of the navigation bar. See Question&Answers more detail:os...

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

0 votes

689 views

1 answer

cocoa - Getting a unique ID for a window of another application

I'm a newbie Cocoa developer and I'm developing my first application. I want to read a unique identifier from ... , I'd be eternally grateful. See Question&Answers more detail:os...

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

0 votes

456 views

1 answer

cocoa touch - How can I detect whether the iphone has been rebooted since last time app started

I'd like to detect from within my app whether the iPhone has been rebooted since last time my app was started ... ways to get this information? See Question&Answers more detail:os...

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

0 votes

432 views

1 answer

cocoa - Why are alloc and init called separately in Objective-C?

Note: I'm relatively new to Objective-C and am coming from Java and PHP. Could someone explain to me why I ... the Objective-C way. Thank you! See Question&Answers more detail:os...

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

0 votes

473 views

1 answer

cocoa - How do I add a third party Framework to iPhone project?

I am trying to use the PLDatabase framework in my iPhone app. I've added the framework to my Xcode project. ... on disk to be found. Thanks See Question&Answers more detail:os...

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

0 votes

507 views

1 answer

cocoa - NSURL Encoding in ObjC

How to do URL encoding in NSURL ? Thanks See Question&Answers more detail:os...

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

0 votes

422 views

1 answer

cocoa - Can i get a notification, when a new day begins?

In Cocoa, is there a notification i can register for, that informs me, when a new day begins - at 00h:00min:01s in the morning? See Question&Answers more detail:os...

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

0 votes

439 views

1 answer

cocoa touch - UITableViewHeaderFooterView in InterfaceBuilder

I want to create a custom header section view in a separate .xib using IB However in IB i cannot find ... to use the initWitReuseIdentifier.... See Question&Answers more detail:os...

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

0 votes

445 views

1 answer

cocoa touch - Pop-up modal with UITableView on iPhone

I need to pop up a quick dialog for the user to select one option in a UITableView from a list of roughly ... please straighten this out for me? See Question&Answers more detail:os...

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

0 votes

520 views

1 answer

cocoa touch - iPhone send email not using MessageUI

HI, I am looking for help, I am new to cocoa and iphone programming Is there a way to send an email, ... hearing a replay from you Thanks... See Question&Answers more detail:os...

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

0 votes

658 views

1 answer

cocoa touch - iPhone OS: Tap status bar to scroll to top doesn't work after remove/add back

Using this method to hide the status bar: [[UIApplication sharedApplication] setStatusBarHidden:YES animated:YES]; ... the respective view? See Question&Answers more detail:os...

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

0 votes

563 views

1 answer

cocoa - Xcode ARC (automatic reference counting), "release is unavailable"

For my first time using Xcode I was following a tutorial online. I did everything as the tutorial showed me, but I ... may I fix the ARC issue? See Question&Answers more detail:os...

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

0 votes

438 views

1 answer

cocoa touch - iOS: helpfulness of didReceiveMemoryWarning:

I'm at the part of my development process for tracking down crashing and memory leaks. As a strategy, ... even going forward with Instruments? See Question&Answers more detail:os...

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

0 votes

395 views

1 answer

cocoa touch - Anyone know whether there is a 5-star rating component on iPhone?

In Google groups and some other web sites, there is a 5-star rating component which is pretty neat, such as ... has clue where to start? Thanks See Question&Answers more detail:os...

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

0 votes

413 views

1 answer

cocoa - Using an NSArrayController in Multiple Storyboard Scenes

I have a Mac document-based Core Data application that uses storyboards. The storyboard has the following layout: Window ... it and bind to it? See Question&Answers more detail:os...

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

0 votes

719 views

1 answer

cocoa - Subclassing NSWindowController in Swift and init(windowNibName)

I am trying to start a new document based Cocoa project in Swift and want to create a subclass of ... to send to that initializer? See Question&Answers more detail:os...

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

0 votes

478 views

1 answer

cocoa - Xcode 6.1: file was built for x86_64 which is not the architecture being linked (i386)

I've created a Swift framework project for util/extensions that compiles and copies a .framework file to a ... projects, shouldn't it? See Question&Answers more detail:os...

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

0 votes

701 views

1 answer

cocoa touch - iOS: How to copy HTML into the cut-paste buffer?

I'm interested in letting my users copy the text they've entered into the cut-and-paste buffer, but I'd like to ... ? (I have no idea.) Thanks. See Question&Answers more detail:os...

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

Categories

Just Browsing Browsing

Most popular tags