Recent questions tagged iOS

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ios - CallKit:No sound when I use WebRTC

Our project uses WebRTC for VOIP calls and it works fine before accessing the CallKit framework. But when I tried ... me, thank you very much! 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 generate Unique ID of device for iPhone/iPad using Objective-c

I wanted to know that How to generate Unique ID of device for iPhone/iPad using Objective-c so that once ... I launched it on simulator . 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 - Can I build my own networking framework (which is dependent on AFNetworking) as a watchOS2 framework?

I've been trying to modify my project to support WatchOS2 architecture. Currently I have a networking framework that ... inside my watch app? 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 force or disable interface orientation for some but not all UIViewController?

I have an app with 9-10 screens. I embedded a UINavigationController into my view controller. I have few ... orientation to stick to Portrait? 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 - HTTP Authentication in iPhone

I am hoping someone can help me with a question i have relating to Authentication in Xcode Basically i have a ... credentials. Can any1 Help? 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 - Core Data - Default Migration ( Manual )

i've read all possible blogs and SO post on the subject - but still not sure what's going on. I've also read ... it - i didn't see any issues. 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 - Using Core Plot 2 in an Xcode 5 project

I'm using the instructions here to integrate Core Plot into my iOS Xcode 5 project and am having no end ... project incorrectly into my project? 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 - HSV Color ranges table

I'm developing an App in which children need to find certain colors using a certain target dot on the camera ... done this already sometime!? 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 transfer a UIImage using Watch Connectivity

How can I transfer an UIImage over WatchConnecitivity from the iPhone to the Apple Watch with no user interaction on ... phone from the watch? 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 - NSNumberformatter add extra zero

I'm looking for a way to display "1" as "01", so basically everything below 10 should have a ... be possible with NSNumberformatter right? 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 - Does CTCarrier mobileNetworkCode change when roaming?

The documentation states for CTCarrier's carrierName "The value does not change if the user is roaming; it ... like to avoid geolocating. 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 - Get Camera Preview to AVCaptureVideoPreviewLayer

I was trying to get the camera input to show on a preview layer view. self.cameraPreviewView is ... ; [session startRunning]; 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 - constrain view.bottom to superview.bottom not bottomLayoutGuide in storyboard

In interface builder it only gives me the option of constraining my sub view to the bottom layout guide, not ... not the bottom layout guide. See Question&Answers more detail:os...

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

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334 views

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ios - Swift does not support the SDK 'iPhoneSimulator9.3.sdk'?

I have just installed the xcode 8.0 and upgrade my project to swift 3. I was using swift 2.2 and xcode 7 ... /bin/swiftc failed with exit code 1 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 - Custom SKSpriteNode not detected during touch

In learning SpriteKit, I am trying to make a small adventure game. I am creating a hero, and adding it to ... subclass of it. Any suggestions? See Question&Answers more detail:os...

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

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396 views

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ios - UIViews ending up beneath tab bar

In my app, I aligned a label the standard amount from the bottomLayoutGuide using autolayout. When the app first ... . Thanks for your help! See Question&Answers more detail:os...

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

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450 views

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ios - Wait for all Operations in queue to finish before performing task

I have an Operation subclass and Operation queue with maxConcurrentOperationCount = 1. This performs my operations in a ... / do stuff 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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ios - Swift return data from URLSession

I cannot return data from my HTTPrequest and I can't get completion handlers to work either. So please assist me ... this point I'm clueless... See Question&Answers more detail:os...

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

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396 views

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ios - OpenGL ES 2.0 render to texture

I'm trying to render to a texture using OpenGL ES 2.0, but I can't seem to make it work. This is how ... problem is isolated to the code above. 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 display a circle in GMSMapView

I need to display a circle (as with MKCircle) on a GMSMapView. This is easy when using a MKMapView and MKCircle, ... = 5; circ.map = mapView; See Question&Answers more detail:os...

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

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638 views

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ios - Is there a way to do Alamofire requests with retries

I have a lot of places in the code where Alamofire request/response are handled. Each of this requests may fail because ... request(..., **3**) See Question&Answers more detail:os...

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

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415 views

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ios - How to Require iPad 2 or iPhone 4S in App Store

We are building an app that requires the RAM, GPU, and cores of an iPad 2 or iPhone 4S. Is there any way ... 4 or Touch 4. Any suggestions? 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 - how to make UITabBar selection indicator image fill the whole space?

I have a UITabBarController where I use this code to set selection indicator image: let selectedBG = UIImage(named:" ... guys can help - 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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662 views

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ios - UIWebView and JavaScriptInterface in Swift

How can I to create the JavascriptInterface channel from my web site to my UIWebView? Example in Android: webView. ... ) How can I do? 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 - INVALID BINARY : Your binary is not optimized for iPhone 5 As of May 1

I had imported all 3 Launch Images First 1: 320 x 480 2: 640 x 960 (Retina 3.5-inch) 3: 640 x 1136 ... problem in launch image NAME or in SIZE See Question&Answers more detail:os...

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

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709 views

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ios - Toolbar item not showing in xamarin forms

I am pretty much new to Xamarin forms. I am trying to add toolbar items to content page. I am ... </ContentPage.ToolbarItems> </ContentPage> See Question&Answers more detail:os...

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

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918 views

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ios - DispatchQueue crashing with main.sync in Swift

Please explain to me why I am getting this crash? Thread 1: EXC_BAD_INSTRUCTION (code=EXC_I386_INVOP, subcode=0x0) in ... } print("Finish") } See Question&Answers more detail:os...

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

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377 views

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ios - Custom Segue in Swift

@objc(SEPushNoAnimationSegue) class SEPushNoAnimationSegue: UIStoryboardSegue { override func perform () { self. ... happen 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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