Recent questions tagged iPhone

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iphone - UIImage Rotation custom degrees

I have been using the code in this sample to assist and this works well. http://www.platinumball.net/blog/2009/ ... degrees between 0 & 360.... See Question&Answers more detail:os...

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

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iphone - How can I use CGContextDrawTiledImage to tile an image?

I want to be able to an UI object like a UIImageView and tile an image inside of it. I have been ... (uiContext, imageRect, image); } See Question&Answers more detail:os...

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

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iphone - Loop through all object properties at runtime

I want to create an Objective-C base class that performs an operation on all properties (of varying types) ... NSString *)description: override. See Question&Answers more detail:os...

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

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iphone - iOS: Select a GIF from the photo library, convert to NSData for use in multipart/form-data

What's currently working in my code: I select a JPG or PNG from the Photo Library (using standard ImagePicker ... ]; Any suggestions? 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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iphone - How to recognize oneTap/doubleTap at moment?

I Know filtering oneTap/doubleTap using a Apple API. code are follows. UITapGestureRecognizer * ... requireGestureRecognizer Selector. 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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iphone - Installing Core-Plot in Xcode 4.2 for iOS project

I am trying to install Core Plot into my iOS app. I have followed the instructions on the Core Plot website ... with into more laymans terms? See Question&Answers more detail:os...

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

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iphone - Multiple Row Selection in UIPickerView

I want to select multiple rows in a UIPickerView, so I had the idea to show my data in a table and add ... . Any suggestions how to do this? See Question&Answers more detail:os...

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

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295 views

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iphone - iOS download and save HTML file

I am trying to download a webpage (html) then display the local html that has been download in a UIWebView ... would be appreciated. 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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iphone - Xcode 4 Final - "armv6 armv7" issue while linking with armv6 libs

Until xcode 4 final (I was using 3.latest and 4 GM for the time it was available) this didn't ... having similar issues? Thanks, Fernando See Question&Answers more detail:os...

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

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537 views

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iphone - How to animate CAShapeLayer path and fillColor

How to animate CAShapeLayer path and fillColor? How to animate strokeEnd to show the path being drawn? and how to animate fillColor? See Question&Answers more detail:os...

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

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424 views

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iphone - UIWebview without Cache

I want to load a webview without cache? //Create a URL object. NSURL *url = [NSURL URLWithString: ... . [kdgWebView loadRequest:requestObj]; See Question&Answers more detail:os...

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

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iphone - Can I show an UISegmentedControl object in vertical?

Is there anyone who can teach me how to show an UISegmentedControl object in vertical direction, instead of in horizontal direction? See Question&Answers more detail:os...

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

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407 views

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iphone - How do I define preprocessor macros in Xcode 4?

I have two targets set up for my app (a lite version and a pro version) and I want to integrate some subtle ... #else // Show ad banners #endif See Question&Answers more detail:os...

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

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392 views

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iphone - iOS 6 - can i return data when i unwind a segue?

I have created a simple unwind segue using the storyboard tools. I have created the following event handler in the ... this. Can anyone advise? See Question&Answers more detail:os...

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

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388 views

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iphone - Zoom MKMapView to fit polyline points

I have an array, allCollections, that holds programmatically-created arrays of CLLocations the user has recorded through ... all of them? 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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iphone - How to protect app IPA from hacks if reverse engineering is possible

Recently we developed and published a mobile banking app on the app store, for a big banking organization. ... Anyone experienced with this? 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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iphone - what happens to NSLog info when running on a device?

what happens to NSLog info when running on a device? Where does the text go? Does it get saved? Is it ... it effectively get sent to null? See Question&Answers more detail:os...

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

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359 views

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iphone - self.window.rootViewController vs window addSubview

I've noticed a lot of examples for iPhone apps in the Application Delegate - (void) ... someOtherController; // pseudocode See Question&Answers more detail:os...

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

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332 views

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iphone - Removing badge from iOS app icon

In this application that I'm trying to make, I use push notifications. This part works just fine. When I ... clear the application icon badge? See Question&Answers more detail:os...

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

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327 views

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iphone - NSMutablearray move object from index to index

I have a UItableview with reordable rows and the data is in an NSarray. So how do I move an object in ... is how to reorder an NSMutableArray? See Question&Answers more detail:os...

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

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247 views

1 answer

iphone - How do I perform a fast pixellation filter on an image?

I have a little problem with my pixellation image processing algorithm. I load the image from the beginning into an ... idea how to improve it? See Question&Answers more detail:os...

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

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385 views

1 answer

iphone accelerometer speed and distance

I want to find distance traveled and velocity from accelerometer events. Like iphone's gMeter application is doing. ... that? Thanks in advance. See Question&Answers more detail:os...

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

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402 views

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iphone - UIView scaling during animation

I've got a custom UIView to show a tiled image. - (void)drawRect:(CGRect)rect { ... CGContextRef context = ... doing so? What did I miss? 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 - Triggering shouldStartLoadWithRequest with multiple window.location.href calls

Im trying to pass multiple things from a webpage inside a UIWebView back to my iPhone app via the ... .location.href gets processed. See Question&Answers more detail:os...

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

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323 views

1 answer

iphone - iOS: Scaling UITextView with pinching?

I'm interested in creating UITextView that is expanding dynamically while typing the text, and scaling as the user ... } What do you think? See Question&Answers more detail:os...

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

0 votes

444 views

1 answer

iphone - Get list of all photo albums and thumbnails for each album

How do I get a list of all the photo albums in iOS? I know the image picker has to have a list of them somewhere ... got to be a way to do it. See Question&Answers more detail:os...

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

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240 views

1 answer

iphone - Is UIPageControl Useless By Itself?

I've been looking into using the UIPageControl for a scrolling part of an application, and I was wondering how ... iPhone with the app pages)? See Question&Answers more detail:os...

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

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295 views

1 answer

iphone - Adding login screen in front of Cocoa Touch Tab Bar Application for IOS

Still getting my head around things here. I'm not even close, but anyways.... I have a TabBar ... piece. Anyone have any suggestions? See Question&Answers more detail:os...

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

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