Recent questions tagged IOS

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ios - UIControlEventEditingChanged doesn't get fired when using setText of UITextfield

I am currently trying to track the states of a textfield. I am using a custom datePicker which sets the ... some reason. Is this intentional? See Question&Answers more detail:os...

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

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706 views

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ios - How to represent Core Data optional Scalars (Bool/Int/Double/Float) in Swift?

(first noticed on: Xcode 8.2.1, iOS 10, Swift 3) (still present as of: Xcode 9 beta 3, iOS11, Swift ... variable as not having been set yet. See Question&Answers more detail:os...

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

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296 views

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ios - Change the listing order of the view controllers in Xcode storyboard

I'm just starting my first application using storyboards. I'm using Xcode 4.5 and iOS 6 SDK. I want to know ... to the left of the storyboard). See Question&Answers more detail:os...

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

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678 views

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ios - Module 'Alamofire' has no member named 'request'

I'm new to iOS Development, I installed Alamofire as said in README, but I have this error as other users and I don't know how to solve 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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278 views

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ios - Combining text and images in `UITextView`

Before I begin, let me acknowledge that similar questions exist, some with answers, others without. However, they ... . Hope it helps someone. See Question&Answers more detail:os...

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

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285 views

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ios - Move GMSMarker on Google Map Like UBER

I am developing some navigation tasks on google map. I have to move markers as vehicles moves with turns as ... or propose any other solution? See Question&Answers more detail:os...

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

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295 views

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ios - SwiftUI drag gesture across multiple subviews

I'm attempting to create a grid of small square views, that when the user hovers over them with their thumb (or swipes ... = 1.0 }) } } See Question&Answers more detail:os...

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

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292 views

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ios - Exception with insertObject:atIndex: on iOS6

I'm getting the following Exception on iOS6 (on an App with CoreData): "2012-10-15 10:21:28.952 MyApp[68650 ... what could be wrong? 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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211 views

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ios - How to port "method_getImplementation" and "method_setImplementation" to MonoTouch?

From my question here: Without subclassing a UIView or UIViewController: possible to catch if a subview was ... (method, newImp); See Question&Answers more detail:os...

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

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477 views

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ios - How to make your push notification Open a certain view controller?

I looked on SO but I wasn't able to find any question that discusses when you receive a push notification how ... are both acceptable **** See Question&Answers more detail:os...

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

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362 views

1 answer

ios - Apple Watch, WatchKit Extension and main application

There is main application with logic and we extend app to Apple Watch. After adding target xCode creates 2 more ... main App and send commands. See Question&Answers more detail:os...

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

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315 views

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ios - Opening spotify app from my iphone app

I'm pretty sure there must be a way to launch spotify iphone app from my own app. I've seen SMP app (share my ... , etc. but nothing comes up... See Question&Answers more detail:os...

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

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250 views

1 answer

ios - Firebase Retrieving Data in Swift

I'm trying to retrieve specific data from just the currently logged in user. My data in my database looks like this: ... any help :) 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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229 views

1 answer

ios - Play audio through upper (phone call) speaker

I'm trying to get audio in my app to play through the upper speaker on the iPhone, the one you press to ... it could it be something like that? See Question&Answers more detail:os...

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

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200 views

1 answer

ios - Is it just the iPhone simulator that is restricted to Intel only Mac's?

I have read that the iPhone SDK (part of Xcode 3) is restricted to Mac's with the intel chipset. Does this ... a submission for the App Store. See Question&Answers more detail:os...

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

0 votes

266 views

1 answer

ios - Try Sample AVCAM from apple found error

When I tried sample AVCAM swift with Xcode Version 9.0 beta 5 (9M202q). I found errors. Undefined symbols for ... ? and How can fix that? See Question&Answers more detail:os...

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

0 votes

333 views

1 answer

ios - Attach a PDF file to email - Swift

I want to send email with a PDF attachment. I created PDF file, then I did the following which is wrong ... didn't attached correctly the file. See Question&Answers more detail:os...

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

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437 views

1 answer

ios - iPhone: AudioBufferList init and release

What are the correct ways of initializing (allocating memory) and releasing (freeing) an AudioBufferList with 3 ... back using Audio Units. See Question&Answers more detail:os...

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

0 votes

464 views

1 answer

ios - How to make camera follow SKNode in Sprite Kit?

I want to have background stationary with different objects (sprites and other objects). Player will be represented by ... do I achieve that? See Question&Answers more detail:os...

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

0 votes

285 views

1 answer

ios - Authentication with NSURLConnection sendAsynchronousRequest with completion handler

Generally I like to just "fire and forget" with NSURL's sendAsynchronousRequest class method using the completion handler ... :challenge]; } } See Question&Answers more detail:os...

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

0 votes

498 views

1 answer

ios - Status bar visible on iPad mini despite setting UIViewControllerBasedStatusBarAppearance to NO

I have an iPhone app with UIViewControllerBasedStatusBarAppearance set to NO. Not on any device I have tested with ( ... This is the setup: See Question&Answers more detail:os...

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

0 votes

322 views

1 answer

ios - external framework File/File.h (Parse/Parse.h) file not found

So every time I update my app, Xcode claims not to be able to find a particular external framework even though ... m tearing my hair out 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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366 views

1 answer

ios - Customizing the MKAnnotation Callout bubble

I have a requirement in my application map page. I have to customize the Callout bubbles. I need to add an ... great. Thanks in advance suresh See Question&Answers more detail:os...

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

0 votes

180 views

1 answer

ios - Add a button to hide keyboard

On a UITextView to hide the keyboard, there is the method: ... textfield.returnKeyType = UIReturnKeyDone; textfield. ... keyboard, how do I? See Question&Answers more detail:os...

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

0 votes

348 views

1 answer

ios - Xcode 8 GM seed Storyboard layout issue

I've tried XCode 8 GM seed and I've found out a serious issue in the Storyboard, either you use Auto Layout or ... Xcode 8 has the same issue :( See Question&Answers more detail:os...

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

0 votes

312 views

1 answer

ios - How to do something before unwind segue action?

I've just figured out what is an unwind segue and how to use it with the great answers from this question. Thanks ... how to do this? Thank you. See Question&Answers more detail:os...

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

0 votes

237 views

1 answer

ios - Add a Done button within a pop-up datePickerView in Swift?

I want to add a Done button within a popped up datePickerView in Swift. Here is the code: @IBOutlet var datePicker ... the Done button into it? See Question&Answers more detail:os...

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

0 votes

353 views

1 answer

ios - EXC_BAD_ACCESS at lauch for EAGLContext renderbufferStorage: fromDrawable: in Cocos2d app whie debugging

Using default cocos2d-swift app I'm receiving the error EXC_BAD_ACCESS on my iPad Mini 2 at the line: BOOL ... How to remove this error? See Question&Answers more detail:os...

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

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