Recent questions tagged iOS

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ios - Image auto-rotates after using CIFilter

I am writing an app that lets users take a picture and then edit it. I am working on implementing tools ... it back to the normal orientation? See Question&Answers more detail:os...

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

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642 views

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ios - How to turn off Auto-Brightness programmatically?

I was wondering if there is a method to toggle the "Auto-Brightness" option to the OFF position on iOS devices and if so, what is it? See Question&Answers more detail:os...

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

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697 views

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ios - Loop through all children of an SKNode?

I have an SKNode with a number of child SKSpriteNodes. A simplified example: var parentNode = SKNode() var childNode1 ... action on all of them? See Question&Answers more detail:os...

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

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897 views

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ios - How to hide Tab Bar on push in Xamarin.Forms?

I'm struggling for last few days with TabbedPage in Xamarin.Forms on iOS. I found some solutions like those: ... successfuly show & hide TabBar? See Question&Answers more detail:os...

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

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640 views

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ios - Redefinition with a different type

I'm having trouble with this block of code: for (int i = 0; i < [tempInviteeArray count]; i++) { NSArray * ... 'm just not sure what I'm doing See Question&Answers more detail:os...

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

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724 views

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ios - List reload animation glitches

So I have a list that changes when user fill in search keyword, and when there is no result, all the cells ... ) }.animation(.default) } } See Question&Answers more detail:os...

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

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832 views

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ios - Custom View in UIAlertController

I am trying to put a custom view inside a UIAlertController. I'm running into some odd issues with the ... without using hard-coded numbers? See Question&Answers more detail:os...

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

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589 views

1 answer

ios - - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath is not being called

So its really weird... I have a ViewController called ListEventsViewController in the header file: @interface ... h and IB. See Question&Answers more detail:os...

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

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519 views

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ios - How to read deeper into a snapshot Firebase Swift 3?

With the current implementation I can read the bookings belonging to var uid by creating an instance of a ... == 1483201800 }) See Question&Answers more detail:os...

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

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582 views

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ios - Create array of strings using for-in in Swift

I'm learning Swift and found one wonderful tutorial where explained how to create card game. Point is that we use ... is another way to do it. See Question&Answers more detail:os...

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

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609 views

1 answer

ios - Catch "IndexOutOfBoundsException" in Swift 2

I got this code in my Playground: func throwsError() throws{ var x = [1,2] print(x[3]) } func start() ... I not capable to just catch anything? See Question&Answers more detail:os...

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

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573 views

1 answer

ios - Converting UIImage to NSData and NSData to NSString for posting images to a server

I have two UIImageViews. I want to post two images to server through the script. Before that I have to convert ... response==%@", resStr); } See Question&Answers more detail:os...

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

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543 views

1 answer

ios - PhoneGap and rails 3: How to interact with a rails 3 app

totally PhoneGap newbie here, but looking to learn the basics of how to interact with a Rails 3 web app using ... a lot for any insights. See Question&Answers more detail:os...

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

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544 views

1 answer

ios - Add images in project in new Xcode 9

In new Xcode 9 I want to add images in project. But If I add images and try to use it in code or in ... all works fine. How to fix it? See Question&Answers more detail:os...

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

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670 views

1 answer

ios - iTunesConnect unable to accept invitation - Invalid Year

I've been invited to my client's iTunes Connect but I'm unable to submit the profile/acceptance form. It' ... people have managed to get around? See Question&Answers more detail:os...

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

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658 views

1 answer

ios - Random Password Generator Swift 3?

I'm building a random password generator for iOS. In it, a button generates a random password that has ... = "randomPassword" } 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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782 views

1 answer

ios - Crop UIImage to center square

I get images that are in 1920x1080 resolution. I am attempting to crop them to the center square area (ie ... to just display it centered. See Question&Answers more detail:os...

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

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621 views

1 answer

ios - Strict Type Checking in Objective-C Part 2

In this question I was looking for a way to ensure that a variable is of a certain type using a define. But ... you do this (in general terms)? See Question&Answers more detail:os...

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

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926 views

1 answer

ios - How to change view on midnight in WidgetKit, SwiftUI?

I have a code: struct ContentView: View { let entry: LessonWidgetEntry private static let url: URL = URL(string ... on midnight from the widget? See Question&Answers more detail:os...

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

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576 views

1 answer

ios - Update location in Background

I want to get user location even when the user does not use the app.now i can get location after press ... is my problem in location update. See Question&Answers more detail:os...

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

0 votes

579 views

1 answer

ios - Testing localized in-app purchases

Running the app with the Scheme set to another language does not affect the SKProduct received from iTunes in testing ... . Thanks for any help! See Question&Answers more detail:os...

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

0 votes

732 views

1 answer

ios - CoreBluetooth and BluetoothManager, device is not BLE

Connect and receive data via bluetooth. We are developing an app for a client. It is a toy for babies that ... in order to tell my client. See Question&Answers more detail:os...

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

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655 views

1 answer

ios - How to take high-quality screenshot with UIGraphicsImageRenderer programmatically?

PROBLEM: After I take screenshot the image is blurry when check by zooming. The text inside image seems to be blurred ... is not up-to the mark. See Question&Answers more detail:os...

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

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970 views

1 answer

ios - Cocoa error 2048 when using NSRegularExpression in Cocoa

I'm building a regular expression for use in a parser in an iOS app. Here's my code: NSRegularExpression * ... explanation. What does it mean? See Question&Answers more detail:os...

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

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659 views

1 answer

ios - SceneKit: how to recreate lighting from Google Poly for same OBJ file?

The goal is to recreate the lighting for this OBJ file: https://poly.google.com/view/ ... scene.rootNode.addChildNode(directionalLight) See Question&Answers more detail:os...

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

0 votes

586 views

1 answer

ios - Resizing image using capinsets

I have setup a button like this: // Create facebook login button facebookLoginButton = [[UIButton alloc] initWithFrame ... seen linked from SO. See Question&Answers more detail:os...

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

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1.3k views

1 answer

ios - AVSpeechSynthesizer is not working After use one time

I'm using AVSpeechSynthesizer for voice out some text data, it'll work for first time but it didn't work after ... US") synth.speak(utterance) } See Question&Answers more detail:os...

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

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631 views

1 answer

ios - All IBOutlets are nil

Hello I am initializing viewController using this code: var aboutUsViewController = self.storyboard?. ... are nil See Question&Answers more detail:os...

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

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