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Recent questions tagged Objective
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objective c - dismissing the keyboard from a UITextField,UITextView as a subview of UIScrollView?
I have an application with UIScrollView added as a subview of UIView. i have added UITextField,UITextview as a subView ... how can i do this? See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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objective
0
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677
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1
answer
objective c - iphone imagepickerController picking video from photo library
I am now trying to implement a app like picking image and video from device photo album and uploading it to ... :ipc animated:YES]; ` See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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635
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objective c - Center UIButton programmatically
I have a UIButton which i add programmatically. No problems here, it stetches as it should and looks good ... ]; return footerView; } See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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71.8m
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objective
0
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695
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1
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objective c - Refresh NSManagedObjectContext
I am writing a WatchKit extension for an iPhone application. I share Core Data using App Groups. This is ... NSManagedObject doesn't support it. See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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71.8m
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objective
0
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520
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1
answer
objective c - Simple Passing of variables between classes in Xcode
I am trying to do an ios app but I am stuck at passing data between classes . This is my second app . The ... that i pressed to the next view See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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深蓝
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71.8m
points)
objective
0
votes
746
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1
answer
objective c - iOS - passing arguments in action:@selector()
I'm adding a button to a UITableViewCell programmatically. The method to be run when the button is pressed is ... Thoughts? Thanks in advance. See Question&Answers more detail:os...
asked
Oct 24, 2021
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Technique[技术]
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深蓝
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71.8m
points)
objective
0
votes
541
views
1
answer
objective c - Fetch aggregate data from NSManagedObject using another expression as argument to sum: expression
Is it possible to use expression as argument for sum: expression? I have entity (NSManagedObject class) Drink ... argument for sum: expression? See Question&Answers more detail:os...
asked
Oct 24, 2021
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Technique[技术]
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深蓝
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71.8m
points)
objective
0
votes
480
views
1
answer
objective c - iOS iBeacon / Bluetooth connectivity when app is dead and gone
What I need: A predictable, solid and reliable way of launching iBeacon delegate methods such as ... localizedDescription); } @end See Question&Answers more detail:os...
asked
Oct 24, 2021
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Technique[技术]
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深蓝
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71.8m
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objective
0
votes
493
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1
answer
objective c - Should I prefer to use literal syntax or constructors for creating dictionaries and arrays?
I am reading through the iOS Developer Guide to get familiarized with the Objective-C language and currently ... matter of personal preference? See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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深蓝
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71.8m
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objective
0
votes
673
views
1
answer
objective c - setNeedsDisplay, drawRect or CALayer causing dispatch_continuation_alloc_from_heap malloc memory leak iOS
I'm experiencing a memory leak in my application and it seems to originate from CALayer. It looks as though ... update my view visuals? Thanks. See Question&Answers more detail:os...
asked
Oct 24, 2021
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Technique[技术]
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深蓝
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71.8m
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objective
0
votes
853
views
1
answer
objective c - NSPredicate on array of arrays
I have an array, that when printed out looks like this: ( ( databaseVersion, 13 ), ( lockedSetId, 100 ) ) ... on how this might be done? See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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深蓝
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71.8m
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objective
0
votes
573
views
1
answer
objective c - UIViewControllerTransitioningDelegate method not called in iOS 7
I have created a custom transition animation for a modal view controller by implementing the methods in the ... :YES completion:nil]; See Question&Answers more detail:os...
asked
Oct 24, 2021
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Technique[技术]
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深蓝
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71.8m
points)
objective
0
votes
871
views
1
answer
objective c - mouseDown: not firing in WebView subclass
I think this should be quite simple, but I cannot make it work. I want to detect mouse clicks on a WebView... ... called... What am I missing? See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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深蓝
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71.8m
points)
objective
0
votes
592
views
1
answer
objective c - not able to use Google map sdk in ios
I am working a simple iOS app into which I am integrating Google Maps. but not getting any result . i ... simulator screen after running apps. See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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深蓝
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71.8m
points)
objective
0
votes
587
views
1
answer
objective c - Why am I getting this CPSqliteStatementPerform error in xcode console
I am getting the following errors in the xcode console, but I don't know what read only data base it is ... and how do I correct this? See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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深蓝
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71.8m
points)
objective
0
votes
738
views
1
answer
objective c - Resize UITableViewCell content when delete button shows up
Is there any way to use autoresizing masks to move my content so that the delete button doesn't cover it up? ... that I can do this manually? See Question&Answers more detail:os...
asked
Oct 24, 2021
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Technique[技术]
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深蓝
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71.8m
points)
objective
0
votes
680
views
1
answer
objective c - Saving a Video to the Photo Library - iPhone SDK
Is there any way for me to save a video in the Documents directory to the Photos Library? I have the link ... to the Photos app. Thanks, Kevin See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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深蓝
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71.8m
points)
objective
0
votes
699
views
1
answer
objective c - Writing text to a PDF via from an NSString
I am fairly new to iOS development and this one is killing me. I have not found one complete (simple) ... pdf I would sure appreciate it. See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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深蓝
(
71.8m
points)
objective
0
votes
695
views
1
answer
objective c - Lifetime of weak local variables with ARC
If I have a piece of code that looks like this: - (void)testSomething { __weak NSString *str = [[NSString alloc ... .e. until the method exits)? See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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深蓝
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71.8m
points)
objective
0
votes
544
views
1
answer
objective c - Xcode6 Creating Fat Static Library iOS Universal Framework
Since the upgrade to Xcode and iOS8, I've been having trouble building a fat static library. There are some pretty ... what I am doing wrong? See Question&Answers more detail:os...
asked
Oct 24, 2021
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Technique[技术]
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深蓝
(
71.8m
points)
objective
0
votes
658
views
1
answer
objective c - How to Extract AppleScript Data from a NSAppleEventDescriptor in Cocoa and Parse it
What I'm doing is executing an AppleScript inside of Cocoa. It returns some data as a NSAppleEventDescriptor, which NSLog ... for any help! :) See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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深蓝
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71.8m
points)
objective
0
votes
1.0k
views
1
answer
objective c - Does the DropBox app on iOS have a URL scheme?
I would like to be able to launch the DropBox app within my app. Therefore I would like to ... UIApplication sharedApplication] openURL:myURL]; See Question&Answers more detail:os...
asked
Oct 24, 2021
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Technique[技术]
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深蓝
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71.8m
points)
objective
0
votes
640
views
1
answer
objective c - IOS embed font in PDF
I am drawing a PDF file and cannot figure out how to embed the font into the PDF itself, could anyone ... Any help would be much appreciated! See Question&Answers more detail:os...
asked
Oct 24, 2021
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Technique[技术]
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深蓝
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71.8m
points)
objective
0
votes
746
views
1
answer
objective c - Make subview rotate too when device is rotated iPhone/iPad
Let me explain what I mean when I say that I want to rotate my subview too. I placed a lot of images to make my ... as well. How can I do that? See Question&Answers more detail:os...
asked
Oct 24, 2021
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Technique[技术]
by
深蓝
(
71.8m
points)
objective
0
votes
960
views
1
answer
objective c - CFNotificationCenter usage examples?
I'm still quite new to this but I've been learning really quickly with the help of examples. I'm ... ? Any help is greatly appreciated! See Question&Answers more detail:os...
asked
Oct 24, 2021
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Technique[技术]
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深蓝
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71.8m
points)
objective
0
votes
803
views
1
answer
objective c - Is it possible to detect the current keyboard input method on the iPhone?
I want to know the current input method the user is typing in such as En ( ... TextAndWebiPhoneOS/KeyboardManagement/KeyboardManagement.html See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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深蓝
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71.8m
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objective
0
votes
744
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1
answer
objective c - Play youtube videos in fullscreen auto
I am trying to play a youtube video using youtube embedded player in my ipad app. I want that as ... or documentation supporting this decision. See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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71.8m
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objective
0
votes
768
views
1
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objective c - How to determine Internet Connection in Cocoa?
I need to determine if Internet Connection is available or not. I don't care how it is connected (WI ... Internet). Something like (isConnected) See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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深蓝
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71.8m
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