Recent questions tagged iPhone

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374 views

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iphone - Using MPMediaItems with AVAudioPlayer

Is it possible to pick media items using MPMediaPickerController and then load them into an AVAudioPlayer 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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287 views

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iphone - Lower case "k" in Cocoa

I know this is a common convention, but what does the "k" in variable names signify? (i.e. kMaxImageViewSize ... of it. Thanks for answering See Question&Answers more detail:os...

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

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320 views

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iphone - Change the navigation bar's font

The question is plain easy and simple, the answer unfortunately not. How can you change the font of the text in the UINavigationBar? See Question&Answers more detail:os...

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

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431 views

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iphone - Get video NSData from ALAsset url iOS

I am not able to retrieve NSData from the url that I get from ALAsset Below is the code I tried:- ... appreciated. Waiting for your replies See Question&Answers more detail:os...

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

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276 views

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iphone - Save and Retrieve of an UIImage on CoreData

In my app, I am trying to save and retrieval of an image in core data. I am able to save an image ... with this. Please help me out! 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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iphone - Core Data vs Sqlite and performance

I am wondering if anyone has any real world numbers on performance differences between an old sqlite application which ... i would ask anyways. See Question&Answers more detail:os...

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

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281 views

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iphone - What happens to JavaScript code after app is compiled using Titanium Mobile

I installed Titanium from appcelerator and built the "KitchenSink" example application. All works well, I'm just ... found in app.apk ? 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

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iphone - Bluetooth LE RSSI for proximity detection iOS

I'll start with the question. Is the BTLE RSSI a good way to indicate two devices proximity to each other or ... Thanks in advance for any help. See Question&Answers more detail:os...

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

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500 views

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iphone - How can an iOS app keep a TCP connection alive indefinitely while in the background?

An iPhone app, connecting to a remote server via TCP. The use scenarios are: app (user) sends data to ... use legal APIs, no jailbreaking. See Question&Answers more detail:os...

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

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342 views

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iphone - Multiple value enum in Obj-C

In the Cocoa and Cocoa Touch frameworks, enums are used as constant. I understand how to use it except in one ... when passed as a parameter? See Question&Answers more detail:os...

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

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399 views

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iphone - How to find out what profile was used for building *.ipa file?

Is it possible and how to grab that information about profile just from existing *.ipa file? See Question&Answers more detail:os...

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

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436 views

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iphone - Error : The service is invalid

I am having some problem in installing my app on the iphone as I am constantly getting the following error message ... I am having this problem. See Question&Answers more detail:os...

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

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297 views

1 answer

iphone - How do I add videos to iPad simulator?

No, dropping the videos to ~/Library/Application Support/iPhone Simulator/3.2/Media/DCIM/100APPLE does not work totally, ... guys! :-) 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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367 views

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iphone - How to correctly setup a NSPredicate for a to-many relationship when using Core Data?

I have a Core Data model in which a Task entity includes an optional to-many relationship ExcludedDays to the ... is now driving me crazy. See Question&Answers more detail:os...

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

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308 views

1 answer

iphone - UITextView background image

How can I set up a background image to UITextView? See Question&Answers more detail:os...

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

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326 views

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iphone - How to create a round button?

I want to create a round circular button. This button should look like a circle. This code gives round rectangular ... do I need to change? See Question&Answers more detail:os...

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

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727 views

1 answer

iphone - iOS UITabBar : Remove top shadow gradient line

I implemented a custom UITabBar and I still have this gradient/shadow on top of it. I added [self.tabBar ... I want : 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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384 views

1 answer

iphone - How to get keyboard with Next, Previous and Done Button?

I want to have a keyboard which has a Next,Previous and Done button on top of it. I have seen that in ... above keyboard How can I get that? See Question&Answers more detail:os...

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

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278 views

1 answer

iphone - Customization of UINavigationBar and the back button

I followed the tutorial below to customize the UINavigationBar. http://foobarpig.com/iphone/uinavigationbar-with-solid- ... button. 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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334 views

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iphone - How to stop UITextView from scrolling up when entering it

I have a UITextView included in a UITableViewCell. The layout is correct when the views are initially ... suggestions are appreciated. Gero See Question&Answers more detail:os...

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

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371 views

1 answer

iphone - Using CALayer Delegate

I have a UIView whose layers will have sublayers. I'd like to assign delegates for each of those sublayers, ... for implementers to conform to. See Question&Answers more detail:os...

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

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244 views

1 answer

iphone - Changing or Removing Developer Name in App Store

I have created an application for my customer. We have published the application with my account. Now, they ... changes to their business name? See Question&Answers more detail:os...

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

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319 views

1 answer

iphone - iOS: parse a URL into segments

What's an efficient way to take an NSURL object such as the following: foo://name/12345 and break it up ... of NSScanner to finish the rest? See Question&Answers more detail:os...

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

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370 views

1 answer

iphone - Loading a webpage through UIWebView with POST parameters

Is it possible to load a page through UIWebView with POST parameters? I can probably just load an embedded form ... and faster way? Thanks! See Question&Answers more detail:os...

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

0 votes

330 views

1 answer

iphone - Can't launch my app in Instruments: At least one target failed to launch

I have all my code signing entitlements set correctly. Running the app on my phone is fine, but launching it in ... Doesn't happen on my iPad. See Question&Answers more detail:os...

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

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253 views

1 answer

iphone - RESTful frameworks for Android, iOS...?

My company is reworking its API and wants to make everything RIGHT for this time ;) Thats the setup... We ... your application to Web APIs. See Question&Answers more detail:os...

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

0 votes

504 views

1 answer

iphone - SQL Query for Performing Radius Search based on Latitude Longitude

We have a restaurant table that has lat-long data for each row. We need to write a query that performs a search ... 6), Latitude: DECIMAL(10,6) See Question&Answers more detail:os...

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

0 votes

425 views

1 answer

iphone - How do I use NSConditionLock? Or NSCondition

I am try to make one function wait for another, and I would like to use NSCondionLock in order to ... possibly suggest a better method. See Question&Answers more detail:os...

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

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