Recent questions tagged iphone

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iphone - Taking time to load the image from URL to UIImageview

I am using this code for displaying the image from URL to UIImageview UIImageView *myview=[[UIImageView alloc]init]; ... to fast the process... See Question&Answers more detail:os...

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

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767 views

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iphone - Reverting to portrait after Done pressed on movie player?

I've got a MPMoviePlayer working. It is designed to show a postage-stamp size movie as a subview in the ... portrait mode after pressing Done? See Question&Answers more detail:os...

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

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iphone - Increase volume programmatically

i want in my app to increase and decrease the app volume programmatically from the code and not to use MPVolumeView. See Question&Answers more detail:os...

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

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772 views

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iphone - Difference between self.instanceVar = X and instanceVar = X in Obj-c

For the following two lines in an obj-c class: self.instanceVar = X instanceVar = X Is the only difference ... t go through the setter? 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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817 views

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iphone - How can I send two arguments in a selector method?

In the following, how can I send two arguments in togButton method? I tried, but it did ... :) forControlEvents:UIControlEventTouchUpInside]; See Question&Answers more detail:os...

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

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835 views

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iphone - Multiple cell selection In tableview

I want to upload photos to twitter , facebook and twit pic and many more. I took this in ... = UITableViewCellAccessoryCheckmark; } } See Question&Answers more detail:os...

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

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iphone - Core Telephony framework partially public in 4.0

Since I don't want to jailbreak my iPhone i'm developing a personal application that needs to access the Core Telephony ... } }; return 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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763 views

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iphone - Obj-C: __block variables

Is it possible to assign a local variable a value whose scope is outside a block and have it retain its value ... also thanks for the help guys See Question&Answers more detail:os...

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

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743 views

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iphone - converting uiimage to negative colors 2nd time crashes the app

I want show an animation with a negative image and a normal image. To start, the getPhoto method is called and the ... . How can i prevent 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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750 views

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iphone - UIImageView only displays when I call initWithImage

For some reason, I can only display a UIImageView when I alloc/init it each iteration with a different image. What ... be shown. Ideas? 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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916 views

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iphone - Unicode Character from Code in String (Obj-C)

I have a unicode hex value in an NSString - how do I output the character; here's what I have: NSLog(@" ... a string of numbers after the U See Question&Answers more detail:os...

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

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817 views

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iphone - UIScrollView blocks run loop?

I implemented a NSTimer(repeats) and UITableView on the same viewController. Somehow, when I scroll through the ... what is happening here? See Question&Answers more detail:os...

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

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843 views

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iphone - Cocoa-Touch, NSManagedObject: Exception when setting a property

I have a NSManagedObject subclass, created by the XCode model interface. This class has some NSString and NSNumber ... still crashes. Any ideas? See Question&Answers more detail:os...

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

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798 views

1 answer

iphone - Auto-renewing subscription – Differences to non-renewing subscription

I have a question regarding in-app payments for iPhone apps. I thought the only difference between auto- ... subscription?! Best regards See Question&Answers more detail:os...

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

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748 views

1 answer

iphone - Combining Two SQLite Stores Into One

Say I have two SQLite files in my application documents directory. How would I go about combining the two together and ... way of doing it? -Ash See Question&Answers more detail:os...

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

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858 views

1 answer

iphone - How to encrypt an NSString in Objective C with DES in ECB-Mode?

I am trying to encrypt an NSString in Objective C on the iPhone. At least I wan't to get a string like ... ]; result = [myData base64Encoding]; See Question&Answers more detail:os...

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

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772 views

1 answer

iphone - xcode won't compile iOS apps, crashes when .xib or .storyboard files are opened

I'm running the very latest version of xcode (4.2.1). And I'm signed up to the ios developer ... ideas? Starting to get pretty desperate. See Question&Answers more detail:os...

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

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712 views

1 answer

iphone - Why is the Xcode compiler not warning me about invalid methods for my Deployment Target?

I have an Xcode (4.3.2) project with the latest SDK which I would like iOS 4.0 users to be able to run ... is now hopelessly tied to iOS 5. See Question&Answers more detail:os...

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

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823 views

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iphone - Formatting date and time in UITableView cells

I need to format both date and time in a tableView:cellForRowAtIndexPath:. Since creating an NSDateFormatter is a fairly ... ]; return cell; } See Question&Answers more detail:os...

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

0 votes

772 views

1 answer

iphone - How to pass arguments when calling function with timer in objective c

-(void)setX:(int)x andY:(int)y andObject:(Sprite*)obj { [obj setPosition:CGPointMake(x,y)]; } Now, ... specifies only the method to invoke) See Question&Answers more detail:os...

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

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805 views

1 answer

iphone - Formatting CIColorCube data

Recently, I've been trying to set up a CIColorCube on a CIImage to create a custom effect. Here's what ... inputCubeData need to be formatted? See Question&Answers more detail:os...

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

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888 views

1 answer

iphone - Bit conversion tool in Objective-C

Are there any built in utilities or macros in the objective-c libraries for iOS that will allow you to convert ... types back to NSData*. See Question&Answers more detail:os...

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

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730 views

1 answer

iphone - facebookErrDomain error 10000 when calling graph api Facebook ios

I'm struggling with the graph api for a few days now and I can't seem to get any further. In my ... Is there something what i'm missing? See Question&Answers more detail:os...

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

0 votes

743 views

1 answer

iphone - CXMLDocument - [CXMLNode nodeForXPath] problem?

I'm developing epub reader program. To get contents of the epub file, I wanted to parse container.xml. Here ... result? Please 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

848 views

1 answer

iphone - one alloc, retainCount == 2

I have a following code: NSLog(@"%d", [chart retainCount]); self.chart = [[BNPieChart alloc] initWithFrame:self.view. ... be equal to 1, not 2. See Question&Answers more detail:os...

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

0 votes

812 views

1 answer

iphone - how to write NSMutableDictionary into Plist

can any one help me with this how to write a NSMutableDictionary into a plist.... thanks in advance.. See Question&Answers more detail:os...

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

0 votes

895 views

1 answer

iphone - how to know when NSData's initWithContentsOfURL has finished loading.

I am loading some text from xml and an image, that image takes longer to load than the xml, but I want to ... and the text to the view? Thanks See Question&Answers more detail:os...

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

0 votes

797 views

1 answer

iphone - Sharing hyperlink with facebook from iOS app

I am able to share text, picture and url with facebook using following code. _lblTitle.text=@"Joe just ran ... with that. Desired Result: See Question&Answers more detail:os...

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

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