Recent questions tagged objective

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objective c - How can I get a console readout at runtime in an application?

For debugging purposes, I'd like to access console printouts at runtime in a way similar to the Console app ... important. Any insight? 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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466 views

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objective c - Using app access token in IOS

Since Facebook changed their policy on having a access token or not I am now forced to include an access token to ... my code? Thnx 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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496 views

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objective c - iOS 7 BarButtonItem with image and title

I'm trying to figure out how can I achieve something like this: This is a toolbar and I'd like to keep the ... I release the tap. Any ideas? See Question&Answers more detail:os...

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

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789 views

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objective c - Custom UISlider - Increase "hot spot" size

I have a custom UISlider that is relatively tough for big fingered people to grab hold of and slide ... png"] forState:UIControlStateNormal]; See Question&Answers more detail:os...

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

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696 views

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objective c - focus a NSTextField

I have a NSTextField and I want to set its content if I klick on a button and than set the cursor on this ... which alread is in the textfield. See Question&Answers more detail:os...

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

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651 views

1 answer

objective c - Seek to a certain position in AVPlayer right after the asset was loaded

This works: I have an AVPlayer which plays a video right after it was loaded. And this works fine. This doesn' ... 0 as the value and timescale. See Question&Answers more detail:os...

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

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699 views

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objective c - UIImageView+AFNetworking setImageWithURL with animation

With AFNetworking, is very simple to download an image from a server and put into an UIImageView: [imageView ... with a lot of images. See Question&Answers more detail:os...

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

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475 views

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objective c - Does a NSURLConnection retain its delegate?

Summary of my question: Does NSURLConnection retain its delegate? Detailed question and scenario: I have a custom ... Anyone have an ideas? See Question&Answers more detail:os...

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

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561 views

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objective c - What is the 'correct' way to identify the currently active application in OSX 10.6+?

I'm trying to identify which OSX application is currently active. I understand that in OSX 10.5, this could be ... :) Any suggestions welcome.) See Question&Answers more detail:os...

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

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298 views

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objective c - What is the context parameter used for in Key value observing

What's the use of context parameter in following method which is used to register for key value notifications. The ... purpose behind it ... See Question&Answers more detail:os...

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

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328 views

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objective c - Change app language in iOS without restarting the app

I have seems some apps can change the language internally within the app without the need of restarting the app ... without restarting the app? See Question&Answers more detail:os...

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

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562 views

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objective c - Possible to reset state of dispatch_once in unit test, to make them run again

Is it possible to reset the state of dispatch_once code in a unit test tearDown? I think it would be ... singletons made with dispatch once. See Question&Answers more detail:os...

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

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443 views

1 answer

objective c - iOS check if application has access to microphone

With the introduction of iOS 7, applications have to request microphone access when they want to record audio. How do I ... { // Do something } See Question&Answers more detail:os...

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

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543 views

1 answer

objective c - Should I call [super awakeFromNib]?

If i implement my own version of awakeFromNib, should I call [super awakeFromNib] at the end of my method? See Question&Answers more detail:os...

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

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442 views

1 answer

objective c - Why don't I declare NSInteger with a *

I'm trying my hand at the iPhone course from Stanford on iTunes U and I'm a bit confused about pointers. In ... need to do that for NSInteger? 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

1 answer

objective c - How to use NSOutputStream's write message?

I want to send a UIImage to a server through a socket. a)I open the outputstream: - (IBAction)send:(id ... , what might be the problem? See Question&Answers more detail:os...

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

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375 views

1 answer

objective c - iOS bounds change after rotating to landscape, then back to portrait

When my application launches, an NSLog of my view's bounds shows the following: NSLog(@"My view frame: %@", ... up because of the bounds values) See Question&Answers more detail:os...

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

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442 views

1 answer

objective c - Multiple checkMark when row selected in UITableView IOS

I have a UITableView that displays checkmarks when a row is selected. The problem is that When ... =UITableViewCellAccessoryCheckmark; } } See Question&Answers more detail:os...

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

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469 views

1 answer

objective c - How to simulate the Local Notification in apple Watch App?

I am trying to simulate the local notification view in apple watch simulator. Does any one known how to ... not for the LOCAL NOTIFICATION. See Question&Answers more detail:os...

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

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344 views

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objective c - CoreData Edit/Overwrite Object

I am playing around with a new project, a split view iPad app using Core Data, and I was wondering, ... selected. Appreciate any help thanks. See Question&Answers more detail:os...

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

0 votes

395 views

1 answer

objective c - Lock iOS app in single app mode programmatically

Note : I don't want to submit this app to app store. What i want to achieve : I want simple app with ... achieve this ? Thanks in advance !! See Question&Answers more detail:os...

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

0 votes

499 views

1 answer

objective c - Difference between NSLog and DLog

Can anyone tell me what the difference is between NSLog and DLog? I found about this DLog when I was looking ... .com/p/iphone-socks-proxy/ See Question&Answers more detail:os...

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

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546 views

1 answer

objective c - Add UIView banner above status bar iOS 7

I'm trying to add a banner above the status bar when receiving an in-app push notification. From what I've been ... I'm looking to do this: See Question&Answers more detail:os...

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

0 votes

543 views

1 answer

objective c - Clean NSLog - No timestamp and program name

I almost finishing a clean NSLog with this code: #define NSLog(FORMAT, ...) printf("%s ", [[NSString ... use comma when have more arguments. See Question&Answers more detail:os...

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

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346 views

1 answer

objective c - Toll free bridges

As a newcomer to iPhone development and Objective-C in general over the last few weeks I have come across ... article about how TFB works See Question&Answers more detail:os...

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

0 votes

407 views

1 answer

objective c - Insert line break using SKLabelNode in SpriteKit

Simple question on how to insert a line break using SKLabelNode class in SpriteKit. I have the following code but it ... ]; Please help me out! See Question&Answers more detail:os...

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

0 votes

471 views

1 answer

objective c - How to add done button on keyboard on top of keyboard in IOS?

I want to add the Done button on the top of keyboard on right side in iOS for a textView.Please tell ... something similar to the above keyboard See Question&Answers more detail:os...

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

0 votes

452 views

1 answer

objective c - Capture groups not working in NSRegularExpression

Why is this code only spitting out the entire regex match instead of the capture group? Input @"A long string ... s built in for this task. See Question&Answers more detail:os...

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

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