Recent questions tagged iPhone

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iphone - UIViewController - can't become first responder

anyone knows why UIViewController wouldn't become first responder when I run this code: [self becomeFirstResponder]; NSLog( ... to look next.... See Question&Answers more detail:os...

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

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388 views

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iphone - Open Maps app from Code - Where/How to find the "Current Location"?

I am opening Maps app to show directions from user's Current Location to a destination coordinate, from my code. ... . Kindly guide me. 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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623 views

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iphone - Open .mobileconfig file saved in application in safari ios

I'm trying to open a mobile configuration file (mobileconfig) in safari to install it but nothing work. I use URL ... know what to do with it. See Question&Answers more detail:os...

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

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552 views

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iphone - How to get Sqlite database file when application is running on device?

I am facing problem in accessing database file when I am running it on device. How can I get that file? ... application is running on device? See Question&Answers more detail:os...

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

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388 views

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iphone - How can I create objective-C Framework for iOS Application

I am in the middle of creating some generic classes that can be reusable for lot of application. For Eg: ... those links. 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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485 views

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iphone - Getting wrong playback state in MP Music Player Controller in ios 5

i am getting wrong playback state in MP music player. while playing a song i am getting pause state. My ... "] forState:UIControlStateNormal]; } See Question&Answers more detail:os...

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

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479 views

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iphone - MKMapView refresh after pin moves

A custom AnnotationView is updated with new coordinates. But the problem is that it visually updates only after some ... region] animated:YES]; See Question&Answers more detail:os...

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

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486 views

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iphone - how can I get the scale factor of a UIImageView who's mode is AspectFit?

how can I get the scale factor of a UIImageView who's mode is AspectFit? That is, I have a UIImageView ... iPhone or iPad deployment 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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434 views

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iphone - Keep zoomable image in center of UIScrollView

In my iPhone app, I need to provide the user with an ability to zoom/pan a large-ish image on the screen. ... sure what that code needs to be. See Question&Answers more detail:os...

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

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389 views

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iphone - CGPathRef intersection

Is there a way to find out whether two CGPathRefs are intersected or not. In my case all the CGPaths are ... any solution. 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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431 views

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iphone - How do I save and read an image to my temp folder when quitting and loading my app

I want to save and read a UIImage to my temp folder when my app closes and then load and delete it when ... do I accomplish this. Please help. See Question&Answers more detail:os...

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

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506 views

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iphone - How to highlight only text in UILabel - IOS

I just want to highlight only text in UILabel, I have tried by giving backgroundColor for label, but it is ... text (center aligned) Thanx. See Question&Answers more detail:os...

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

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646 views

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iphone - Underline text in a UITextView

How can I underline text in a UITextView. I understand that I would need to create a subclass of UITextView, ... go under drawRect:? 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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395 views

1 answer

iphone - Any idea why this image masking code does not work?

I have this code to mask an image. Basically, I only work with PNG images. So I have a 300x400 PNG image ... specific format, so that it works. See Question&Answers more detail:os...

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

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421 views

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iphone - How to link to the page of a single author/company page on the App Store?

I would like to provide a link to all the apps of a single author/company on the App Store from my iPhone ... single author or company? 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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357 views

1 answer

iphone - Why doesn't Apple allow subclassing of UINavigationController? And what are my alternatives to subclassing?

I'm currently building a tabbed iPhone application where each tab's view controller is an instance of ... Cocoa development. 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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571 views

1 answer

iphone - PowerVR SGX535 Shader Performance (OpenGL ES 2.0)

I'm currently working on a couple of shaders for an iPad game and it seems as if Apple's GLSL compiler ... they be exploited? Thanks, Tristan See Question&Answers more detail:os...

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

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345 views

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iphone - MKMapView loading all annotation views at once (including those that are outside the current rect)

UPDATE It looks like this problem has been quietly fixed in iOS 4.3. Up to this point, the distance that was ... views at once. 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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494 views

1 answer

iphone - UISearchBar on the top of UITableView which can hide but stay close to UINavigationBar

I would like to have a UISearchBar on the top of my UITableView which hides when you scroll down: The answer is ... how they are doing 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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529 views

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iphone - Xcode 4 & three20 & create IPA archive: No such file or directory

In Xcode 3.2.5 I use "Build And Archive" to create an IPA file without any problems. How can I do that ... ]/three20/" What 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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372 views

1 answer

iphone - Deserializing local NSString of JSON into objects via RestKit (no network download)

Is it possible to deserialize an NSString of JSON into objects via RestKit? I checked the API list here ... on demand during runtime. See Question&Answers more detail:os...

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

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443 views

1 answer

iphone - 'NSFetchedResultsController does not support both change tracking and fetch request's with NSDictionaryResultType'

I have an application that was running just fine under OS3+. But it does not work under OS4. I ... ; } 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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484 views

1 answer

iphone - Storyboard UIScrollView contentSize?

I feel like I have touched on every single possible cause for stopping this, but I have a UIScrollView ... the contentSize/allow scrolling. See Question&Answers more detail:os...

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

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412 views

1 answer

iphone - How to get a UITableView's visible sections?

UITableView provides the methods indexPathsForVisibleRows and visibleCells, but how can I get the visible sections? See Question&Answers more detail:os...

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

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361 views

1 answer

iphone - How can I debug in a framework in Xcode?

I have two projects, one is the networkLib for login and some other network function, the other is the usingLibDemo. ... a lot for any tips. See Question&Answers more detail:os...

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

0 votes

402 views

1 answer

iphone - MKMapView and CLLocationManager

I want to use a MKMapView to display the user current location using the default breathing blue pin and I want to ... and create my own pin? See Question&Answers more detail:os...

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

0 votes

378 views

1 answer

iphone - Do I need to release IBOutlets when using loadNibNamed: method?

I have a .xib file containing a UIView and 2 UILabel subviews linked to a class named Note with outlets assigned ... my dealloc phase or not? See Question&Answers more detail:os...

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

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383 views

1 answer

iphone - Google Analytics in iOS (Not Working)

I am trying to implement google analytics.. could you guys please help me -(void) setGoogleAnalytics ... version GoogleAnalyticsiOS_2.0beta4.zip See Question&Answers more detail:os...

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

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