Recent questions tagged iPhone

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333 views

1 answer

iphone - how can I convert string to an array with separator?

I have a string in the following format myString = "cat+dog+cow" I need to store each string separated by + in ... me the proper way 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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402 views

1 answer

iphone - How can we create our own plist file in a Xcode project?

I want to create "UrlPaths.plist" file in my Application and also a dictionary with 4 or 5 objects. ... reading the data is pragmatically. See Question&Answers more detail:os...

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

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462 views

1 answer

iphone - iOS MPMoviePlayerController playing audio in background

I have MPMoviePlayerController that should play video's audio in background and should be controlled by the multitasking ... 't respond. 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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367 views

1 answer

iphone - How can I test an NSString for being nil?

Can I simply use if(myString == nil) For some reason a string that I know is null, is failing this statement. 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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iphone - AVAudioPlayer Help: Playing multiple sounds simultaneously, stopping them all at once, and working around Automatic Reference Counting

I am trying to create buttons that play single sound files and one button that stops all of the sounds that are ... to stop playing all of them? See Question&Answers more detail:os...

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

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265 views

1 answer

iphone - How to capture image without displaying preview in iOS

I want to capture images at specific instances, for example when a button is pushed; but I don't want ... instances without showing preview ? See Question&Answers more detail:os...

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

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675 views

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iphone - Get truncated text from UILabel

Is there anyway I can get the truncated version of the text for a UILabel? In short, I have a paragraph of ... 't clutter up the question with. See Question&Answers more detail:os...

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

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378 views

1 answer

iphone - Convert GPS coordinates to coordinate plane

This is somewhat related to another question I asked: Translate GPS coordinates to location on PDF Map. That got me ... to get the math 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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266 views

1 answer

iphone - Using UIPinchGestureRecognizer to scale uiviews in single direction

I would like to know how we can use UIPinchGestureRecognizer to scale UIView in single (x or y) directions ... New[8169:707] scalePiece exit See Question&Answers more detail:os...

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

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254 views

1 answer

iphone - Game Center - Sending and receiving data

EDIT: I have made a clean, new project, but still can't get it working. Please download it, there is a ... special key I need to use something? See Question&Answers more detail:os...

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

0 votes

292 views

1 answer

iphone - Send PDF to iBooks

Now iBooks supports PDF. My app has access to many PDF files. Is it possible to send PDFs to iBooks (or ... and iAnnotate PDF) from my app? See Question&Answers more detail:os...

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

0 votes

365 views

1 answer

iphone - Why does AVCaptureVideoOrientation landscape modes result in upside down still images?

I am using AVFoundation classes to implement a custom camera in my app. I am only capturing still images ... for landscape orientations. Thanks! See Question&Answers more detail:os...

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

0 votes

228 views

1 answer

iphone - UISearchDisplayContoller – can't prevent table reload on typing in search bar

I'm trying to set up a search display controller to handle async results from a web service. I've got the ... miss any points of etiquette :) See Question&Answers more detail:os...

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

0 votes

690 views

1 answer

iphone - iOS crash when testing on device - debug logs

I've begun testing my iOS app on my iPhone. Everything works great for a week or so and then my app ... Any help would be much appreciated. See Question&Answers more detail:os...

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

0 votes

317 views

1 answer

iphone - NSURLConnection is run many times

I connect asynchronously with server each 5 seconds. The URL is the same, but POST-body is changed each time. ... server. Which way is right? See Question&Answers more detail:os...

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

0 votes

304 views

1 answer

iphone - get section number and row number on custom cells button click?

i have tableview with custom cell.the table is divided in many section and rows.i have a custom button on ... button.? any idea regarding this See Question&Answers more detail:os...

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

0 votes

427 views

1 answer

iphone - How does iOS app Fing get MAC Address?

I known Apple stopped MAC address API since iOS 7. But I just found the app Fing can get MAC ... address, not [UIDevice identifierForVendor]. See Question&Answers more detail:os...

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

0 votes

425 views

1 answer

iphone - How to crop the image in objective c?

The user can change the cropbox size which is shows default in edit screen. I tried with below code : - ( ... which is selected by user ? See Question&Answers more detail:os...

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

0 votes

596 views

1 answer

iphone - Does Apple modify iOS application executables on apps submitted to the App Store?

Is an app's executable file byte-for-byte identical when the app is purchased through the App Store and ... Store, purchased, and installed. See Question&Answers more detail:os...

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

0 votes

356 views

1 answer

iphone - How do I set a custom font for the whole application?

Is there any way to How to Apply global font [new custom font] to whole application in iphone objective-c. I ... Please help me if anyone know. See Question&Answers more detail:os...

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

0 votes

228 views

1 answer

iphone - How can I design a secure API/Authentication for mobile apps to access a service?

I want to offer some functions of my webapp to be used in other apps (I'm thinking mainly about smartphones, since ... ? How would you do it? See Question&Answers more detail:os...

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

0 votes

330 views

1 answer

iphone - iOS Develoment: Why is my NSURLConnection failing with a "bad URL" error for only some users?

I have an iOS app that requests JSON data from my Rails 3 app, hosted on Heroku, and it works great on my ... so much for all your wisdom! See Question&Answers more detail:os...

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

0 votes

287 views

1 answer

iphone - Detecting a clap in IOS

I am trying to build an IOS application that counts claps. I have been watching the WWDC videos on CoreAudio, ... implement it in Objective-C. See Question&Answers more detail:os...

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

0 votes

387 views

1 answer

iphone - UIAlertView like "Turn On Location Services to allow maps to determine your location". Settings + Cancel

I Want to emit this alert: Turn On Location Services to allow maps to determine your location I need both "Settings ... Can you help me? Thanks See Question&Answers more detail:os...

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

0 votes

253 views

1 answer

iphone - How do I create a global UIManagedDocument instance per document-on-disk shared by my whole application using blocks?

I am trying to design a helper method which will retrieve a UIManagedDocument, then open and return it, so that I ... comments above }]; } } See Question&Answers more detail:os...

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

0 votes

379 views

1 answer

iphone - How to convert NSString HTML markup to plain text NSString?

Been searching the net for an example of how to convert HTML string markup into Plain text. I get my information ... work. Anyone got any ideas? See Question&Answers more detail:os...

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

0 votes

254 views

1 answer

iphone - MKMapView, animateDrop?

I have setup an NSMutableArray of objects derived from a class that conforms to the MKAnnotation protocol. I have ... pin.canShowCallout = YES; See Question&Answers more detail:os...

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

0 votes

563 views

1 answer

iphone - Reordering controls on UITableView while not in editing mode?

I have a UITableView and I want to be able to reorder the rows when I'm not in edit mode, meaning I don't ... the swipe to delete in that case? See Question&Answers more detail:os...

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

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