Recent questions tagged objective

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i tried to use NSUserDefults to save and load a highscore(nsinteger) for my game. i created an void function that ... do i do wrong? 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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749 views

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objective c - Remove double quotes from NSString

How do I remove double quotes from an NSString. Example: //theMutableString: "Hello World" [ ... in the replaceOccurrencesOfString? See Question&Answers more detail:os...

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

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799 views

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objective c - Are synthesized instance variables generated as private instead of protected?

Since recent runtimes in iOS, we are able to define properties that will generate accessors for instance variables. ... your help!! Nicolas. See Question&Answers more detail:os...

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

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704 views

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objective c - Can we fire an event when ever there is Incoming and Outgoing call in iphone?

Can I fire an event when ever there is Incoming and Outgoing call ends on iphone? Axample of an event is calling a webservice . See Question&Answers more detail:os...

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

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574 views

1 answer

objective c - Limiting mouse to one display on Mac (Potentially using Cocoa)

I've been feverishly searching for a method by which to limit the user's mouse to one display in a multi- ... 500 pixel column. 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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1.2k views

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objective c - Open URL Schemes in IOS

I have 2 apps, which are meant for different purpose, where I should not allow user to use both apps in same ... else{ //App Not installed } See Question&Answers more detail:os...

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

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842 views

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objective c - UILabel doesn't show inputView

I would use a UILabel to allow users to select a date with UIDatePicker. To do this, I created an UILabel ... { return YES; } @end See Question&Answers more detail:os...

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

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999 views

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objective c - warning: duplicate protocol definition of '...' is ignored

How should I respond to this warning? warning: duplicate protocol definition of '...' is ignored My protocol ... @end Thanks for any advice. See Question&Answers more detail:os...

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

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835 views

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objective c - How to programmatically determine native pixel resolution of Retina MacBook Pro screen on OS X?

Given a CGDirectDisplayID returned from CGError error = CGGetActiveDisplayList(8, directDisplayIDs, &displayCount); for the ... Pro screen? See Question&Answers more detail:os...

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

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550 views

1 answer

objective c - programmatically identifing the iphone device

I want to identify the device on which my application is installed. That means, when I install the app on the ... or 3GS. please help me. See Question&Answers more detail:os...

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

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884 views

1 answer

objective c - iOS10 SFSafariViewController not working when alpha is set to 0

I'm using SFSafariViewController to grab user's cookie in my app. Here's is my code: ... to hide a SFSafariViewController? See Question&Answers more detail:os...

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

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1.2k views

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objective c - How can i customize UIAlertAction in UIAlertController for iOS8?

I need to add image in Action sheet item using UIAlertController. I add using: UIImage *image = [UIImage ... share some code. 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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649 views

1 answer

objective c - iPhone TBXML Looping And Parsing Data

Basically I have an XML response that is returned and a string, and i need to loops through the xml and store all the ... but I can't do this :( See Question&Answers more detail:os...

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

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853 views

1 answer

objective c - UIPageViewController and UIPageControl transparent background color - iOS

I'm making a tutorial when app launches for the first time and using UIPageViewController for that. Everything is ... ? Please help! Thanks. See Question&Answers more detail:os...

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

0 votes

740 views

1 answer

objective c - UILabel Over UISlider Thumb

How can i put an UILabel over the thumb of UISlider...so that when i move the thumb....UILabel will also move... ... on the thumb... Any idea?? See Question&Answers more detail:os...

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

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1.1k views

1 answer

objective c - Determining what a CFTypeRef is?

I have a function which returns CFTypeRef. I have no idea what it really is. How do I determine that? For example it might be a CFStringRef. See Question&Answers more detail:os...

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

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821 views

1 answer

objective c - Subclassing NSView to have a transparent background

I am creating an app where I need to have a transparent NSView with a transparent PNG image inside. The problem ... to add some text inside). See Question&Answers more detail:os...

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

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823 views

1 answer

objective c - How to crop the UIImage in iPhone?

In my application, I have set one image in UIImageView and the size of UIImageView is 320 x 170. but the ... image and display in UIImageView. See Question&Answers more detail:os...

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

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1.3k views

1 answer

objective c - what was the second parameter in "id (*IMP)(id, SEL, ...) " used for?

my question as the title says.obviously, the first parameter was used for this pointer , in some taste of c++. ... the second one? thak you. See Question&Answers more detail:os...

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

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686 views

1 answer

objective c - iOS Cache a UIWebView

I've written an iOS app that loads up an HTML5 web application inside a UIWebView. I'm trying to make the app ... do it? Thanks for any help! See Question&Answers more detail:os...

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

0 votes

788 views

1 answer

objective c - iOS Duration of Splash Screen (Default.png)

im using a Default.png file for my iPad-app. It appears correctly but i could'nt find a way to modify the ... find a solution for my problem. See Question&Answers more detail:os...

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

0 votes

588 views

1 answer

objective c - Region monitoring in ios 7

I should use region monitoring in my iOs app for 6 and 7 version. And if my app was ... sharedApplication] presentLocalNotificationNow:note]; } See Question&Answers more detail:os...

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

0 votes

904 views

1 answer

objective c - Delete cookies UIWebView

How to delete cookies in UIWebView? This code: NSArray* cookies = [[NSHTTPCookieStorage sharedHTTPCookieStorage] cookies ... solve this problem? See Question&Answers more detail:os...

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

0 votes

542 views

1 answer

objective c - create a simple chat view in ios

I need to create a simple chat view in which i can show messages from two ends (sender and receiver) like ... "; [field resignFirstResponder]; } See Question&Answers more detail:os...

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

0 votes

740 views

1 answer

objective c - iOS 7 rewind songs on lock screen using AVPlayer

I havn't found the way how to rewind song from lock screen iOS 7. Volume slider is available, all the ... using. Any help is appreciated! See Question&Answers more detail:os...

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

0 votes

706 views

1 answer

objective c - Get the Week Number in iOS SDK

I want to get the Week number of the year from the date.I tried the code as follow but gives me a wrong week ... me to solve this.. Thank you, See Question&Answers more detail:os...

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

0 votes

541 views

1 answer

objective c - KIF: How to auto-run/stress test an iOS app to find the cause of a rare UI bug?

Note: I added kif to the title just for search indexing puposes, considering that most of the answer turned out to ... t (with the above error): See Question&Answers more detail:os...

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

0 votes

691 views

1 answer

objective c - is FTS available in the iOS build of SQLite?

I am interested in using the full text search capability of SQLite. I understand it was not compiled in to the ... . Is this still the 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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