Recent questions tagged iOS

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ios - How to play MIDI with AudioKit's new AKSequencer

I'm on AudioKit 4.9.1 and can't manage to play a MIDI file with the new AKSequencer (replacing ... signal chain that I'm 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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ios - How to install SDWebImage

I need to manage photos in my app and have read much about SDWebImage framework which seems to be the ... help very much appreciated. 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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ios - Realm Cleaning Up Old Objects

I've just started using Realm for caching in my iOS app. The app is a store, with merchandise. As the ... these objects on each app launch? See Question&Answers more detail:os...

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

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ios - Is there any way to create/extract an array of Views using @ViewBuilder in SwiftUI

I'm trying to create a simple struct that accepts an array of Views and returns an ordinary VStack containing those ... will help out a lot) See Question&Answers more detail:os...

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

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ios - Unable to archive in iTunes Store

When trying to upload my app, I get the error: "You must supply a CFBundleIdentifier for this request". ... Any suggestions? Thanks! Info.plist See Question&Answers more detail:os...

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

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ios - Swift Open Facebook Profile by FacebookUID

I'm trying to open a user's Facebook profile in Swift using their Facebook UID. In the Simulator, it works ... is Mark Zuckerburg's profile). See Question&Answers more detail:os...

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

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ios - Merging existing iPhone and iPad app ids into a single universal app id

I have an existing iPhone app and an iPad app, now I have created a Universal app, and I want to know ... update for the previous ones. 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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ios - UITableView need long press to select a row

Anyone has ever come into the problem that UITableView need long press to trigger the didSelectRowAtIndexPath method? See Question&Answers more detail:os...

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

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ios - When do adjustsFontSizeToFitWidth or boundingRectWithSize change the context.actualScaleFactor?

When does the actualScaleFactor of an NSStringDrawingContext change? The documentation says: "If you specified a custom ... to fit the label? See Question&Answers more detail:os...

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

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ios - Playing sound in Apple Watchkit

I'm trying to play a sound through the watchkit extension using WKAudioFilePlayer however no sound gets ... playHaptic:WKHapticTypeClick]; See Question&Answers more detail:os...

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

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878 views

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ios - Objective-C: Comparing an image against another image that has been previously saved

I have a question about comparing UIImages in Objective-C when one image has already been through a save and load ... is! 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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ios - Show keyboard programmatically using React native

How do I show Keyboard for TextInput programmatically using react native? Using a ScrollView, tapping between TextInput ... to accomplish this? See Question&Answers more detail:os...

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

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ios - Resize UIBarButtonItem in code

How do I resize a UIBarButtonItem in the code? See Question&Answers more detail:os...

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

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875 views

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ios - Swift use sizeof with Int32 Array

i want to get the Length of an Array with "sizeof". I tried everything. This is the error message: "[ ... ] var arrayLength = sizeof(testArray) See Question&Answers more detail:os...

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

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ios - How to get safeAreaInsets in viewWillTransitionToSize (iPhone X)

I'm trying to update the viewWillTransition(to size: with coordinator:) method for iPhoneX. But I can't get the ... ) } self.updateViews() } See Question&Answers more detail:os...

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

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890 views

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ios - Is it possible to use iPhone's volume control buttons for some other purpose?

I need to make a photo app. Will it be possible to assign some function, like controlling the light ... s hardware volume control buttons? See Question&Answers more detail:os...

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

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ios - flutter run -> Error: No named parameter with the name 'keyboardDismissBehavior'

when I "flutter run" Failed to build iOS app Error output from Xcode build: ? ** BUILD FAILED ** Xcode' ... on iPhone 12 help me 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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ios - Open iPhone/iPad settings panel

My app needs feature to open iPhone/iPad "Mail, contacts, Calendars" settings panel and automatically scroll to view ... it under the IBAction. See Question&Answers more detail:os...

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

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ios - Clearing SKPAymentsQueue : Forcing Unfinished Transactions To Finish

I have some restore transactions still stuck in my payments queue - because I never called finishTransaction with the ... this? 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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802 views

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ios - How to search(Predicate) content from list like Xcode suggestion?

I think everyone notice XCode suggestions list. Check this screenshot As per Apple document doesn't provide what ... search content like this? See Question&Answers more detail:os...

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

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916 views

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ios - Get Previous, Current and Next Weeks Excluding Saturday and Sunday

I wants to display dates/days from Monday to Friday excluding Saturday/Sunday as mentioned in the image below. ... is displaying the same week. See Question&Answers more detail:os...

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

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1.1k views

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ios - Completion handler Firebase observer in Swift

I am making a completion handler for a function which will return a list of objects. When it return value for ... up after every observe call } See Question&Answers more detail:os...

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

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894 views

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ios - How to track multiple touches in Xcode

Recently I'm making an app that can drag multiple objects at the same time. I had tried to use ... Any help would be appreciated. See Question&Answers more detail:os...

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

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932 views

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ios - getting data from plist to NSMutableArray and writing the NSMutableArray to same plist iPhone

Using this code I am trying to get the data from Templates.plist file but I am getting null value in array. ... delete a string from this plist. See Question&Answers more detail:os...

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

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ios - Slow loading the images from URL in UITAbleView.

I'm loading the images from URL in UITableView. But it's very slow when loading an view. Here's an ... Can you suggest any other samples. See Question&Answers more detail:os...

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

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874 views

1 answer

ios - How to maintain Timer to continue running when Home button is pressed

I have done research how to maintain the timer running when home button is pressed. But i am quite confused. ... :COUNT object:_count]; } See Question&Answers more detail:os...

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

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873 views

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ios - Detect which image was clicked in UIImageView with animationImages

We can specify images array for a UIImageview, and it will animate the images very nicely. I have subclassed the ... image was clicked 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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862 views

1 answer

ios - Set a maximum number of children in Firebase

There are some other (older) questions about this, but since they already are a few years old, I am ... needed validation rules. Thank you. See Question&Answers more detail:os...

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

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