Recent questions tagged IOS

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ios - How do you shrink a UIPickerView on the iPhone?

I would like to reduce the height of a UIPickerView in my iPhone app, so that it shows only one row and ... How do you shrink a UIPickerView? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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228 views

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ios - Is it possible to distinguish between locking the device and sending an app to background?

I have an app that needs to do something when it's sent to background using the Home button and something ... to distinguish the two cases? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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452 views

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ios - Swift - How creating custom viewForHeaderInSection, Using a XIB file?

I can create simple custom viewForHeaderInSection in programmatically like below. But I want to do much more complex things ... )") } } } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - Can I distribute my App for any device without UDID?

I've been searching stackoverflow, reading in the various blogs to get answer to my question "Can I distribute my ... Or, maybe they're lying? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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305 views

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ios - Dealing with iPad Mini screen size

The new iPad Mini has a 7.9 inch screen size. Does it have a retina display? Will it automatically scale ... the device is running iPad Mini? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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212 views

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ios - Tap pressure strength detection using accelerometer

Yesterday, in the presentation about the new Garageband for iPad 2, Apple demoed an interesting feature: The ... measurable acceleration, no? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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670 views

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ios - Add custom header field in request of AVPlayer

Is it possible to send headers with an http request to an audio file when using AVPlayer? I need to be ... access to the file being requested. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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280 views

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ios - Simple and clean way to convert JSON string to Object in Swift

I have been searching for days to convert a fairly simple JSON string to an object type in Swift but with no ... guide me through this. Thanks. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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267 views

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ios - Posting JSON data using AFNetworking 2.0

I have a web script which accepts JSON string as input through HTTP POST request. I have came across several ... JSON as input ? Thanks See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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252 views

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ios - Static properties in Swift

I'm trying to convert the following Objective-C code to Swift. In my Objective-C code, there's a static variable ... to correct it? Thank you. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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293 views

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ios - Detecting whether or not device support phone calls?

Is the below code reliable to be used to determine whether a device can support phone calls or not? My ... ].model isEqualToString:@"iPhone"] See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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554 views

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ios - WKWebView Persistent Storage of Cookies

I am using a WKWebView in my native iPhone application, on a website that allows login/registration, and stores ... through an app restart? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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396 views

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ios - Get UTC time and local time from NSDate object

In objective-c, the following code results in the UTC date time information using the date API. NSDate * ... requirement). See point 1. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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250 views

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ios - Get the value of URL Parameters

I am trying to get the parameters from a URL using Swift. Let's say I have the following URL: http:// ... the values of test1 and test2? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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413 views

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ios - Immutable/Mutable Collections in Swift

I was referring to Apple's Swift programming guide for understanding creation of Mutable/ immutable objects(Array, ... forKey:@"Key3"]; See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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409 views

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ios - How to get RGB values from UIColor?

I'm creating a color object using the following code. curView.backgroundColor = [[UIColor alloc] initWithHue:229 ... the created color object? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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251 views

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ios - Remove text from Back button keeping the icon

I want to remove the text from the back button, but I want to keep the icon. I have tried let backButton ... completely the text and the icon. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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550 views

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ios - How to underline a UILabel in swift?

How to underline a UILabel in Swift? I searched the Objective-C ones but couldn't quite get them to work in Swift. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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277 views

1 answer

ios - How to implement UIPageViewController that utilizes multiple ViewControllers

I've been working on a simple test app to learn the ins and outs of the UIPageViewController. I have ... :0 withObject:fvc]; } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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496 views

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ios - How to send a silent Push Notification payload

I just want to know how I can determine what action to do on a silent push: This is the aps that I ... Update to display an alert notification. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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264 views

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ios - Trying to understand CMTime

I have seen some examples of CMTime (Three separate links), but I still don't get it. I'm using an ... but nothing has clicked just yet. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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343 views

1 answer

ios - Load local html into UIWebView using swift

This one is driving me crazy early this morning. I want to load some local html into a web view: class ... this example on my iphone 6. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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318 views

1 answer

ios - Custom UITableViewCell selection style?

When I click on my UITableViewCell, the background part (the areas that my background image doesn't cover) ... colors of the UILabels? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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303 views

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ios - Module compiled with Swift 4.0 cannot be imported in Swift 4.0.1

However I have recompiled the framework using the same Xcode and it still gives me this error. Base SDK iOS ... I hope someone might know See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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591 views

1 answer

ios - Objective-C: Where to remove observer for NSNotification?

I have an objective C class. In it, I created a init method and set up a NSNotification in it //Set up ... I just created an objective c Class? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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355 views

1 answer

ios - How to convert NSDate in to relative format as "Today","Yesterday","a week ago","a month ago","a year ago"?

I want to convert nsdate in to relative format like "Today","Yesterday","a week ago","a month ago","a ... :date]; self.dateLabel.text=resultstr; See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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445 views

1 answer

ios - Setting Selected Image in Tab Bar Controller with Storyboard

I am using Storyboarding and I have a tab bar controller with five tabs. In the storyboard, I am able to set ... I can do this using storyboard. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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433 views

1 answer

ios - There's a way to access the document folder in iphone/ipad (real device, no simulator)?

there's a way to access a real device (iphone/ipad) document folder? I realized an app that store some data in ... is going in the right way. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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