Recent questions tagged iOS

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ios - Restrict the movement of subview inside superview bounds

I have a UIView which is my VC's view(self.view) inside which I have another UIView added as subview ... relevant in touchesEnd as well. See Question&Answers more detail:os...

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

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641 views

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ios - GPUImage video filter set brightness not working

//The whole code is looking fine, but movieWriter - setCompletionBlock lines are not getting compiled. Doesn't know what is the ... ]; }); }]; } 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

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ios - Can't test Cordova app when open it in browser

I created a Cordova app using the 4.3.0 version and the project for an iOS project. Whenever I open the ... the project again, and it worked. See Question&Answers more detail:os...

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

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698 views

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ios - Change the selected cell background colour using UIAppearance

I need to change the selected cell background colour for all the cells in my app. As I know there is ... by the category for UITableViewCell? See Question&Answers more detail:os...

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

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755 views

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ios - Objective-C Simple way to take a photo without a camera interface. Just get a picture from camera and save to a file

I can't find a simple way of taking a photo without a camera interface. I just need to get a picture from the camera and save it to a 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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564 views

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ios - 9Implementing Nuance Speech Recognition on Swift, cannot listen to onResult, onError... events

I have two parts of my Speech Recon project with Nuance, the .h file of a module (ObjectiveC) and ... > UPDATE SEE SOLUTION BELOW!! 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

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ios - Animating UIView doesn't working as expected

In my application i am using a UIView which includes UITableView,Buttons and Labels in it. It created using ... i am doing wrong 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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569 views

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ios - Is it possible to have differing heights in a UITableView Cell when I use several different ways of displaying the cell?

I've spent several days trying to figure this out, but there doesn't seem to be a solution. I have a ... return cell } Which produces 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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590 views

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ios - "Invalid year" error when setting up Sandbox Tester Account

Getting a strange error when setting up Sandbox Tester in iTunesConnect. For some reason, iTunesConnects throws an error: ... What is going on? See Question&Answers more detail:os...

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

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649 views

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ios - Retain view state upon reloading

I am developing an iPad application that is essentially a sequence of user instructions to mimic a real ... fundamentally reconsider my design? See Question&Answers more detail:os...

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

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610 views

1 answer

ios - Upload pdf file (from document directory) through web service in iPhone?

I'm working in iPhone application, upload pdf file from document directory through Web Service like "http://www. ... help me. 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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680 views

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ios - Prefill information in Core Data at startup.

I have to do an iOS application that used core data to store the information. I created the model and how to add ... is startup. 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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1.3k views

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ios - Swift: Setting AVAudioSession Output Volume

Is there a way to set the AVAudioSession outputVolume? self.audioSession = AVAudioSession.sharedInstance() self.audioSession ... set it. 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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793 views

1 answer

ios - iPhone mobile number using Core telephony

As far as my understanding, there is no public API available in iPhone SDK to find the users mobile number. Can ... framework added in 4.0 SDK? See Question&Answers more detail:os...

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

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719 views

1 answer

ios - Using Facebook Open Graph Story with map attachment (GeoPoint)

I'm trying to create some Open Graph Story with map attachment using iOS SDK and I'm have some issues. First ... are nil. Someone can help me? See Question&Answers more detail:os...

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

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742 views

1 answer

ios - SKEffectNode combined with CIFilter runs out of memory

I tried to combine a SKEffectNode with a CIFilter and a child SKSpriteNode and while its seems to work for a ... no problem with memory usage. See Question&Answers more detail:os...

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

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653 views

1 answer

ios - What constraints should be given to increase size of imageview with respect to device screen size without reducing image clarity

I have to show an imageview in a universal app ans it's size should increase as the screen design in every ... Any suggestion will be helpfull. See Question&Answers more detail:os...

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

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716 views

1 answer

ios - Guided Access/Kiosk mode of iPad

I need to build an iPad application, which when the user launches, brings the iPad in kiosk mode. I went through ... </plist> How to do 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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619 views

1 answer

ios - Staggered animations with CAKeyframeAnimation?

I want to animate 3 different images at specific point in time such that it behaves this way. 1) 1st image ... on screen several seconds later. See Question&Answers more detail:os...

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

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680 views

1 answer

ios - TabBarController rotation problems

All week I have been searching SO for a solution to my unique problem, but nothing has worked for me yet. I have ... :@"orientation"]; } } @end See Question&Answers more detail:os...

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

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601 views

1 answer

ios - PFQuery by date

I'm trying to search for all results that contain a certain date (no time) with a PFQuery. I can't ... website. 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)

0 votes

719 views

1 answer

ios - what is difference of self in lazy var and var(let) block

when I use let UISwitch replace lazy var UISwitch in UITableViewCell like this: let trigger: UISwitch = { ... self in trigger/trigger2/trigger3 See Question&Answers more detail:os...

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

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703 views

1 answer

ios - Count unseen messages with Firebase in Swift

I'm trying to code a chat app. I would like to count the number of messages, which are not viewed (unseen). ... (count) }, withCancel: 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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645 views

1 answer

ios - Unwind segues for 2 View Controllers

I have one button (back button) on a view controller. Simple so far. I have 2 view controllers with a table ... the view controller. Any ideas ? See Question&Answers more detail:os...

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

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788 views

1 answer

ios - What is the most efficient way to count number of word in NSString without using regex?

I am a bit new to Objective C and was wondering if there is a better way to count words in a string. ie ... to count words within a text string? See Question&Answers more detail:os...

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

0 votes

527 views

1 answer

ios - Swift 2 migration problems

I just opened my old project in Xcode 7 beta. The code works perfectly fine in Xcode 6, but now it's ... its superclass updateAction() } } } See Question&Answers more detail:os...

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

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664 views

1 answer

ios - Using Firebase observeSingleEventOfType synchronously

I am trying to use a semaphore to force synchronisation of a Firebase data query so that I can check ... . Any suggestions greatly 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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783 views

1 answer

ios - "This app could not be installed at this time" CFBundleIdentifier error

I encountered the "This app could not be installed at this time" error. I have tried several methods such as ... this error, thanks 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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