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    I can request a video PHAsset using the Photos framework in iOS8. I'd like to know how big the file ... (Using Photos framework not required) See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I defined a series of string constants like below, in macro way, #define EXT_RESULT_APPID @"appid" #define ... these related string constants? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have a UIScrollView created in interface builder with a bunch of UITextView and UIImageView objects already added. ... cause of this behavior? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    i only know it Crash not run out of memory. how did i know which it cause of error? Incident Identifier: ... > /usr/lib/libbsm.0.dylib See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I am working on creating a dynamic list using SwiftUI. Does the SwiftUI List container reuse the cells similar to UITableView? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I am trying to make an application with sound. I have asked a question before how to add sound to an app ... help that would be great! 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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    I have a Storyboard in Xcode 5.1 with a base Localization of English, and a second Localization in French. ... works in different languages.. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I want to crop a video to square, but i couldn't do that. I converted this code to swift but i only ... outputURL = exportUrl What am i missing? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I can turn my flashlight on with one button and turn it off with another. But I want to do it with ... flashlight right now is overly complex. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I just downloaded xcode 9 beta, but there is no simulator within it. Try to add new simulator but the create ... the create button doesn't work See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I appear to have a leaky UIDatePicker. I have noted memory leaks for setting the datePickerMode to show date ... Does anyone have a workaround? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I pass a contact Identifier from Contacts tableview controller to another Location tableview controller. So I define a ... continue } } } } See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I created a popup alert using alert controller and added two alert actions(ok and cancel) as below. UIAlertController ... add it. Please 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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    When trying to pod install a new Podfile into an existing Xcode (iOS) project, I get the following error message ... of such a file would like. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I'm building an app using Swift with Core Data. At one point in my app, I want to have a ... of an NSManagedObject subclass in Swift? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I'm trying to get WKWebView to display locally downloaded images in a WKWebView. The webview normally displays HTML, ... course of action here? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I'm having some issues when deleting the last row of my (only) section in my tableView. Any other row works ... 't think that's the problem. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I'm trying to upload screenshots of my app on iPhone 6 and 6+ and I'm getting a baffling error message: ... properties below. What am I missing? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I want to show a formatted date in the section header of a table view.. I used the following code.but its ... release]; } return tempDate; } See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Im working on universal link to open the application while tap the url. I am using https server and done all ... t know what it mean exactly. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I created a new project in xcode 9. I want to add image file to project. When I delete this file from desktop ... 8 its working fine, 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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    Simple and regular approach to animate a bump effect for a button but not simple in SwiftUI. I'm trying to change ... , touchEnd: touchEnd)) } } See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Is there an API via which I can tell if the Apple device (iPad/iPod/iPhone) that my App is running on supports Bluetooth Low Energy (BTLE). See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I want to create something like an image gallery in my ViewController. For this, I'd need multiple webViews, ... if necessary? Is it possible? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Using ARWorldTrackingSessionConfiguration get and error on iPhone 6 plus Unable to run the session, configuration is not ... What can it be? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have to add separator between section in TabBar as in image below: I tried to set the background image for ... with any advice ? 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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    I train in the creation of programs for the iPhone using MFMailComposeViewController. However, an error occurs when ... ? Thanks in advance! See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have not found relevant and up to date answers in the posts related to this question. I would like to load all ... do that is Swift ? 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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