Recent questions tagged objective

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

objective c - Failed to download and open a PDF file with error failed to find PDF header in ios

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951 views 1 answer

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

objective c - On lazy instantiation and convenience methods

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1.0k views 1 answer

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

objective c - Quicker if-statement: if `variable` is "value" or "value"

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1.0k views 1 answer

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

objective c - IOS: UIImageView border white with radius display a strange dark line in 4 corners

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976 views 1 answer

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

objective c - sample code for collision detection in iPhone sdk

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886 views 1 answer

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

objective c - ios7 - iPhone 5 giving white space at the top

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926 views 1 answer

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

objective c - XCode How to evaluate String formula with an X expression inside

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981 views 1 answer

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

objective c - UIScrollView and cancel a zooming pinch gesture

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1.1k views 1 answer

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

objective c - iphone imagepickerController picking video from photo library

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930 views 1 answer

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

objective c - Download font .ttf file from web and store on iPhone

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1.1k views 1 answer

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

objective c - How to invalidate an iOS push notification on iPad when handled on iPhone?

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952 views 1 answer

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

objective c - App States with BOOL flags

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1.1k views 1 answer

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

objective c - How can I get the text from PDF page?

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1.1k views 1 answer

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

objective c - iOS iBeacon / Bluetooth connectivity when app is dead and gone

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805 views 1 answer

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

objective c - iOS local notification not firing second time but shows in getpendingnotificationrequests

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939 views 1 answer

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

objective c - Get integer value from another class

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913 views 1 answer

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

objective c - Difference between setting a property directly and using its setter?

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1.1k views 1 answer

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

objective c - How to force iOS camera to take a picture programmatically using AVFoundation?

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1.0k views 1 answer

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

objective c - iOS Concurrency - Not reaching anywhere's near theoretical maximum

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820 views 1 answer

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

objective c - Cocoa: NSRectFill on button click does not work

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1.0k views 1 answer

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

objective c - drawing cocos2d v3 no longer has ccDraw* functions, how do I draw without making nodes?

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1.0k views 1 answer

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

objective c - Finding a particular instance in an array by a property

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975 views 1 answer

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

objective c - wifi on iphone simulator

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1.0k views 1 answer

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

objective c - iOS -deprecated permission-facebook friends birthday using Graph API

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1.2k views 1 answer

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

objective c - dismissViewControllerAnimated crash at ios5

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1.0k views 1 answer

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

objective c - Circular Cropper Camera with UIImagePickerController iOS?

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874 views 1 answer

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

objective c - Delegate - How to Use?

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1.0k views 1 answer

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

objective c - AVAssetExportSession in ios 10 not working for iPhone 7

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880 views 1 answer

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