Recent questions tagged objective

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

objective c - UISlider that snaps to a fixed number of steps (like Text Size in the iOS 7 Settings app)

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472 views 1 answer

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

objective c - How do you schedule a block to run on the next run loop iteration?

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404 views 1 answer

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

objective c - How to do a native "Pulse effect" animation on a UIButton - iOS

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592 views 1 answer

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

objective c - What does Apple mean when they say that a NSManagedObjectContext is owned by the thread or queue that created it?

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409 views 1 answer

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

objective c - Is there a way for Interface Builder to render IBDesignable views which don't override drawRect:

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453 views 1 answer

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

objective c - Screen size of iPhone 5

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582 views 1 answer

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

objective c - IBOutlet properties does not update when using prepareForSegue method

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690 views 1 answer

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

objective c - Map view annotations with different pin colors

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669 views 1 answer

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

objective c - How to Get time difference in iPhone

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758 views 1 answer

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

objective c - @property and @synthesize

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619 views 1 answer

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

objective c - Can we invite people to use our app or send friend request from the app via Facebook in iOS 5?

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620 views 1 answer

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

objective c - iOS 8 UIActivityViewController and UIAlertController button text color uses window's tintColor

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756 views 1 answer

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

objective c - How do I set up a NSPredicate to look for objects that have a nil attribute

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816 views 1 answer

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

objective c - Dot Notation vs Method Notation

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659 views 1 answer

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

objective c - Sort NSArray of custom objects based on sorting of another NSArray of strings

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765 views 1 answer

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

objective c - How to convert Hex to Binary iphone

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907 views 1 answer

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

objective c - Compare two arrays with the same value but with a different order

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657 views 1 answer

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

objective c - Assigning an existing CGColor to a CGColor property works in iOS Simulator, not iOS device. Why?

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685 views 1 answer

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

objective c - NSPrivateQueueConcurrencyType Not saving properly

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555 views 1 answer

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

objective c - isMemberOfClass returns no when ViewController is instantiated from UIStoryboard

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621 views 1 answer

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

objective c - Recognize Black patterns appearing on the four corners of the image ios using opencv or some other technique

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545 views 1 answer

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

objective c - Manually loading a different localized nib in iOs

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565 views 1 answer

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

objective c - insertNewObjectForEntityForName:

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622 views 1 answer

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

objective c - How can I get a hex string from UIColor or from rgb

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882 views 1 answer

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

objective c - Delivery report of sending remote push notifications using APNS - IOS

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530 views 1 answer

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

objective c - How do I get word wrap information with the new iOS 7 APIs?

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761 views 1 answer

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

objective c - iOS automatically add hyphen in text field

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553 views 1 answer

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

objective c - Iphone : How to Display Document Directory images in Image View?

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555 views 1 answer

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