Recent questions tagged iOS

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ios - aStoryboard.instantiateViewControllerWithIdentifier("myid") returns nil but not nil in lldb

This is by far the strangest thing thats happened to me. So I have the code below in a unit test... let ... the unit test. Someone 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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967 views

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ios - DB Error: database disk image is malformed

I am running code from this tutorial sqlite database iOS app tutorial . But it is giving sql error on inserting record ... do I fix that 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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849 views

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ios - GCM in Swift Bundle ID Error

I am having trouble in executing Google Cloud Messaging in Swift. Using GCMExample for objective C I am getting ... layer, will have no effect See Question&Answers more detail:os...

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

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1.2k views

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ios - Pan Gesture with AVPlayer

This feature is really important to my app and would really like some help on it. Basically, I want to add a ... help would be great - 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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880 views

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ios - Change Status Bar Color in Real Time

I am moving in a side menu view controller (ENSwiftSideMenu) with an animation. Since the side menu's background ... to make it work? 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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896 views

1 answer

ios - Save NSArray of Class to cacheDirectory

I'd like to NSArray of Class to the cacheDirectory. I've wrote as following, however it returns false. Could you ... { println("save success") } See Question&Answers more detail:os...

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

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665 views

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ios - how to pass time as xAxis data value in method numberForPlot using core plot?

I need to create graph which is "Heart rate vs time". in xAxis I am showing time which is in format of "HH ... pass it. Give me some 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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872 views

1 answer

ios - Filter Dictionary with a case insensitive search

This is a follow-up question on How to Filter a Dictionary only I need the filter to be case-insensitive I ... filter show to case insensitive? See Question&Answers more detail:os...

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

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870 views

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ios - Lost Connection to "iPhone"

When i am trying to run application in the real device getting this error Restore the connection to iPhone and ... i am running in 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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874 views

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ios - UIWebView, customize "return" key

I'd like to customize the "return" key in the UIWebView's keyboard. Normally you can do this by setting ... UIKeyBoard, but iOS5 removed 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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1.0k views

1 answer

ios - SwiftUI - Wrap ListStyle in an enum and translate it back to ListStyle

I'm working on a library, so I want it to be as easily configurable as possible. I put all the configurable ... >: View where S: ListStyle { See Question&Answers more detail:os...

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

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784 views

1 answer

ios - How many blocks are running on a queue?

Any way to check how many blocks are running on a concurrent queue? I want to limit running blocks in a ... . Above it app will freeze. See Question&Answers more detail:os...

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

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895 views

1 answer

ios - NSURLSession Authentication

I tried to use the swift code found here on the website found here, but the response is html code with the two errors ...  See Question&Answers more detail:os...

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

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1.0k views

1 answer

ios - DateFormatter returns unexpected date for Timezone

I've read multiple posts about this, and most were due to not setting a specific Timezone and the system ... way I use DateFormatter? 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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796 views

1 answer

ios - Array of struct not updating outside the closure

I have an array of struct called displayStruct struct displayStruct{ let price : String! let Description : ... would be 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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969 views

1 answer

ios - AVAssetWriterInput, impossible to choose video resolution?

It looks like no matter what AVVideoWidthKey, AVVideoHeightKey, AVVideoCleanApertureWidthKey, AVVideoCleanApertureHeightKey I choose, ... . :/ See Question&Answers more detail:os...

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

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1.0k views

1 answer

ios - Masking a CAShapeLayer creates this weird artifact?

I want to create a smooth progress bar for a to-do list. I used a circle (CGMutablePath) that ... plainProgressBar.layer.mask = circleMask } See Question&Answers more detail:os...

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

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836 views

1 answer

ios - modal view controller not calling presenting view controller's dismissModalViewControllerAnimated: method

In my modal view controller I have a button handling method that includes [self dismissModalViewControllerAnimated: YES]; ... be going wrong? See Question&Answers more detail:os...

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

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943 views

1 answer

ios - Perform segues when I want

Evening, I have 2 show segues in my VC. But I want to fires these segues only when my pickerView has a row.count ... know hot use it. Any tips? See Question&Answers more detail:os...

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

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910 views

1 answer

ios - NSInternalInconsistencyException tableView row deletion

Swift 3.0 iOS 10.x Using this code to try and delete a row in a table... override func tableView(_ tableView: ... This method did? DELETE [0, 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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838 views

1 answer

ios - Swift: Cannot invoke 'reloadData' with no arguments

I'm currently building my first app in Swift. I use Parse as database and want to show all the titles in table ... you guys can help me out :) See Question&Answers more detail:os...

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

0 votes

873 views

1 answer

ios - error after updating the Xcode to 7.0

I'm developing an iOS application in Swift. When I updated the Xcode to 7.0, I'm getting error in swiftyJSON ... problem? Can you help, please? See Question&Answers more detail:os...

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

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917 views

1 answer

ios - Callback for Android refreshCurrentAccessTokenAsync in Facebook Android SDK 4.1+

In Android, I'm calling refreshCurrentAccessTokenAsync() but there doesn't appear to be a callback. I've ... with no callback. Thanks! See Question&Answers more detail:os...

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

0 votes

884 views

1 answer

ios - How to make the View update instant in SwiftUI?

I have a Text that acts as a timer with different values of my array. And it displays with timerIntervalSinceNow. The ... ).padding(.top, 30) } See Question&Answers more detail:os...

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

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765 views

1 answer

ios - How to streamline multiple coordinate poly line entries in MKMapKit

I am trying to add multiple poly lines onto a map using mkmapkit. These poly lines indicate walking zones in my ... = 5.0 return renderer } See Question&Answers more detail:os...

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

0 votes

844 views

1 answer

ios - How to change notification type from Banner to Alert in iOS8?

I'm trying to create an app that delivers local notifications as an Alert, not a Banner. But looks like banner ... change that to the Alert one? See Question&Answers more detail:os...

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

0 votes

1.0k views

1 answer

ios - Opening import file for module 'Swift': Permission denied

As the title shows, I'm currently facing a problem in which I'm trying to add a Swift file to my ObjC ... Google in general about it so far. See Question&Answers more detail:os...

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

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786 views

1 answer

ios - Passing data from the FirstViewController to the LastViewController

I have four viewControllers in my current design and I am designing an app to sell a product. ... setMyProductImage:productImage]; } } See Question&Answers more detail:os...

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

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