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Recent questions tagged objective
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objective c - How to calculate speed of our car using iphone
For my application I want to calculate my car/bike speed using iphone. How can i do that? Ideally, it should run continuously in the background. 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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497
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objective c - know the position of the finger in the trackpad under Mac OS X
I am developing an Mac application and I would like to know the position of the finger in the trackpad when there ... possible and if yes, how? See Question&Answers more detail:os...
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Oct 24, 2021
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839
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objective c - Language Translation API for iPhone
I want to implement language translation feature in my iPhone app, is there any API which is free that I can use, or any other way to 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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71.8m
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objective
0
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452
views
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answer
objective c - How to get array of float audio data from AudioQueueRef in iOS?
I'm working on getting audio into the iPhone in a form where I can pass it to a (C++) ... ->currentPacket += inNumberPacketDescriptions; } 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
519
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answer
objective c - How to launch iOS App from Apple Watch?
Is there any way to launch the iOS App from Apple Watch? Edit:- Tried using both api below but doesn't work: ... (void (^)(NSDictionary *))reply 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
337
views
1
answer
objective c - How do I rewrite the UIDatePicker component?
I've noticed that the UIDatePicker doesn't work with NSHebrewCalendar in iOS 5.0 or 5.1. I've decided to ... please post if you know anything. 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
561
views
1
answer
objective c - Adding libxml2 in XCode
I have added libxml2 to my Xcode 4 project following this guide. But it's not working. Xcode gives me error ... settings of my project: Thanks. 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
525
views
1
answer
objective c - How to call a method of super.super?
I want to call a method of super class of a super class, without breaking the inheritance chain. Something like ... foo method will be called. 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
709
views
1
answer
objective c - How to debug EXC_BAD_ACCESS bug
I received an error EXC_BAD_ACCESS code=2 at0xb0987654 I am wondering how to print out the value at 0xb0987654? 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
764
views
1
answer
objective c - iOS: Warning "attempt to present ViewController whose view is not in the window hierarchy"
I am getting following warning when I try to present a ActivityController on navigation controller, Attempt to present ... going wrong here ? 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
802
views
1
answer
objective c - setStatusBarHidden is deprecated in iOS 9.0
I am upgrading my code from iOS 8 to iOS 9. I have a code snippet in my program [[UIApplication ... me how to solve this problem? 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
540
views
1
answer
objective c - Get the Push-Notification list on iOS8
Is it possible to get the text of all the received push notifications on iOS 8? Has anyone found something on the ... d like to get it locally. 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
779
views
1
answer
objective c - Turning an NSImage* into a CGImageRef?
Is there an easy way to do this that works in 10.5? In 10.6 I can use nsImage CGImageForProposedRect: NULL ... REALLY rather not be using... 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
424
views
1
answer
objective c - Change to other space (MacOSX) programmatically
I am making a customised window (a NSWindow with NSBorderlessWindowMask) So far I have been able to handle dragging ... move my window there? 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
445
views
1
answer
objective c - SceneKit – Mapping physical 360 rotation
I am having a hard time mapping device motion (sensor fusion) to SceneKit node rotation. The premise of the problem ... am only glad to add. 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
961
views
1
answer
objective c - Guidelines for viewWillAppear, viewDidAppear, viewWillDisappear, viewDidDisappear
Are there any guidelines for using these methods in the right manner? In particular, I would like to know ... /unregister a NSNotification? etc. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
objective
0
votes
468
views
1
answer
objective c - iOS 8 PhotoKit. Get maximum-size image from iCloud Photo Sharing albums
How get access to the full-size images from iСloud? Every time I try to get this picture, I get image size ... and will be full-size quality. 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
464
views
1
answer
objective c - Check for ARC in precompile
I have an iOS refactoring library that I want to work with and without the ARC compilation option. Is there a ... #ifdef, if ARC is available? 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
479
views
1
answer
objective c - Xcode: Possible to auto-create stubs for methods required by Protocol interface?
Coming from an Eclipse / Java background, one of my favorite features is the ability to quickly stub out all the ... Is this possible in XCode? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
objective
0
votes
455
views
1
answer
objective c - Embed ImageView in ScrollView with Auto Layout on iOS 6
I am trying to make very simple element with new iOS 6 SDK with auto layout. I have an ImageView and Embed ... . Could anybody help me, please? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
objective
0
votes
517
views
1
answer
objective c - Cocoa NSView changing autosizing properties
Using interface builder you can select the corners an object should stick to when resizing. How can you do this programatically? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
objective
0
votes
436
views
1
answer
objective c - What describes nil best? What's that really?
Currently I understand it as a kind of "empty object". But what's it really? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
objective
0
votes
507
views
1
answer
objective c - iOS 7 Custom TableView Is Under TabBar
Im trying port my app to iOS7, but my custom TableViewController is showing the last row (cell) under the TabBar ... under the tabbar): Thanks. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
objective
0
votes
480
views
1
answer
objective c - How do I render a view which contains Core Animation layers to a bitmap?
I am using an NSView to host several Core Animation CALayer objects. What I want to be able to do is grab ... sample code for CARenderer at all. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
objective
0
votes
478
views
1
answer
objective c - Method for downloading iCloud files? Very confusing?
I have basic iCloud support in my application (syncing changes, making ubiquitous, etc.), but one crucial omission so ... What am I doing wrong? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
objective
0
votes
582
views
1
answer
objective c - @selector - With Multiple Arguments?
I have been using @selector today for the first time and have not been able to work out how to do the ... .e. more than 2) NSInvocation See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
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深蓝
(
71.8m
points)
objective
0
votes
466
views
1
answer
objective c - Changing the frame of an inputAccessoryView in iOS 8
Long time lurker - first time poster! I am having an issue while recreating a bar with a UITextView ... github.com/manuelmenzella/SocketChat-iOS See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
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深蓝
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71.8m
points)
objective
0
votes
504
views
1
answer
objective c - When should I remove observers? Error about deallocating objects before removing observers
I am trying to use key-value observing in one of my classes. I register the observers in the init method and ... , could this cause my problem? 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
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