Recent questions tagged iOS

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ios - getting data from each UITableView Cells Swift

I have searched the internet countless times and have not found a solution to my situation. Things that may be a ... the world is the problem? See Question&Answers more detail:os...

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

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ios - Objective C implementing a UIPickerView with a "Done" button

I am trying to implement a "Done" button in a UIPickerView Similar to the one under this link I looked in the ... but I couldn t find it Thanks See Question&Answers more detail:os...

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

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ios - UISearchDisplayController Without Dimming?

I am writing a SplitView iPad app. Inside the DetailViewController, there's a little view that contains a ... good? Thanks in advance. See Question&Answers more detail:os...

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

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ios - How to enumerate ALL nodes in a Sprite Kit scene?

I want to enumerate all the nodes in my scene. Not just the ones that are a child of the scene itself, but ... how deep the node tree goes? See Question&Answers more detail:os...

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

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ios - Sprite Kit pin joints appear to have an incorrect anchor

I'm testing out pin joints with Sprite Kit, and I'm finding something unusual happening. My desired setup ... missing something really obvious? See Question&Answers more detail:os...

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

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ios - Forcing iPhone Microphone as Audio Input

I am developing an iOS application (targetted specifically for iPhone, at the moment) that requires the application ... doing this? Thanks! See Question&Answers more detail:os...

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

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ios - How to use HTTP Live Streaming protocol in iPhone SDK 3.0

I have developed on IPhone application and submitted to App store. But my application got rejected based on below ... code? Thanks in advance! See Question&Answers more detail:os...

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

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ios - CKQuery from private zone returns only first 100 CKRecords from in CloudKit

Is there any limit to the result of a query to Cloudkit private default zone? I have no clue why I only receive ... *1000) (++i)") } See Question&Answers more detail:os...

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

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ios - Passing variables between view controllers

I am using this function to switch between views in Xcode 4.3. [self performSegueWithIdentifier:@"NextView" sender:self] ... How can I do that? See Question&Answers more detail:os...

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

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ios - Maximum number of peripherals on CoreBluetooth?

I am interested in working with BLE proximity sensor on iOS and have been looking up for a few answers ... alerted while not affecting others? See Question&Answers more detail:os...

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

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234 views

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ios - Union UIBezierPaths rather than apend path

I have an app where I take a UIBezierPath and use it as a brush by a series of appendPath: calls. ... with maybe 1000 original paths. See Question&Answers more detail:os...

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

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ios - How to set Http header Fields in Objective-C?

I want to call web service in Objetive C which returning xml data and I have to pass some information in ... good solution. please help me. See Question&Answers more detail:os...

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

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418 views

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ios - Hide device Volume HUD view while adjusitng volume with MPVolumeView slider

I was implementing a video player with MPMoviePlayer in my iPad Application, used MPVolumeView for the ... forState:UIControlStateNormal]; } See Question&Answers more detail:os...

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

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469 views

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ios - Searching NSArray of NSDictionary objects

I've contacts array where each contact is a dictionary. Each contact has a key "contact_type" which is an NSNumber. ... me on how to do it? See Question&Answers more detail:os...

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

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249 views

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ios - How to properly group a list fetched from CoreData by date?

For the sake of simplicity lets assume I want to create a simple todo app. I have an entity Todo in my ... an efficient way to group data? See Question&Answers more detail:os...

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

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275 views

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ios - How do I draw a point using Core Graphics?

I see APIs in Quartz for drawing lines and circles. But all I want to do is to specify the (x,y) cartesian ... value. How do I do that? See Question&Answers more detail:os...

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

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422 views

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ios - NSNotificationCenter Swift 3.0 on keyboard show and hide

I am trying to run a function when the keyboard shows and disappears and have the following code: let ... Help would be greatly appreciated See Question&Answers more detail:os...

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

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275 views

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ios - UIImagePicker cameraOverlayView appears on Retake screen

I am struggling with a problem. I am capturing a video, and i had put an UIImageView with an UIImage in it ... the "retake or cancel" screen? See Question&Answers more detail:os...

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

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216 views

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ios - How to round CGFloat

I made this method + (CGFloat) round: (CGFloat)f { int a = f; CGFloat b = a; return b; } It works as ... it fast? Or is there a better solution? See Question&Answers more detail:os...

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

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ios - Combining 'AND' and 'OR' Condition in NSPredicate

Back again needing more help with constructing my NSPredicates :( Category { name:string subs<-->>SubCategory } SubCategory ... ]); abort(); } See Question&Answers more detail:os...

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

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257 views

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ios - UITextView is not scrolled to top when loaded

When I have text that does not fill the UITextView, it is scrolled to the top working as intended. When there ... only for that screen width. See Question&Answers more detail:os...

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

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344 views

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ios - Can't submit apps to AppStore: ERROR ITMS-90534: "Invalid Toolchain

ERROR ITMS-90534: "Invalid Toolchain. New apps and app updates must be built with the public (GM) versions of ... during upload IPA to account. See Question&Answers more detail:os...

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

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227 views

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ios - UIControlEventTouchDragExit triggers when 100 pixels away from UIButton

At present, the UIControlEventTouchDragExit only triggers when I drag 100 pixels away from the button. I'd like to ... ? Much appreciated! ^_^ See Question&Answers more detail:os...

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

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173 views

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ios - Selecting a word in a UITextView

EDIT: I'm thinking I should use a UILabel instead of a UITextView as I don't want the highlight to use ... appreciated. Thanks in advance :) See Question&Answers more detail:os...

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

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183 views

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ios - Play video on UITableViewCell when it is completely visible

I have an Array which contains video URLS, I want to play those videos on UITableviewcell when it is fully ... me some other better method. See Question&Answers more detail:os...

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

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305 views

1 answer

ios - Custom repeat interval for UILocalNotification

I tried the Re.minder app and noticed that it can repeat reminders with custom intervals (such as every 3 minutes, ... . How can I do that? See Question&Answers more detail:os...

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

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163 views

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ios - Find corner of papers

I am new in openCV so struggling from last 3 to 4 days, I already detect paper sheet boundary, Now I wants to draw 4 ... //////////// } Thanks See Question&Answers more detail:os...

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

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435 views

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ios - Having app restart itself when it detects change to privacy settings

I have an app that uses the ALAssets framework to access to the users photo library. I wrote some code that ... know how to accomplish this? See Question&Answers more detail:os...

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

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