Recent questions tagged iPhone

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I have been stuck with this for a while and don't seem to get around this. I am trying to read the contents of ... as well, but I get null back. 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 animate application icon in iOS?

I have recently identified that in iOS 7 the clock icon is animating showing the real time. Does anyone ... feature of one single application? 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 - Is UIGraphicsBeginImageContext thread safe?

So I've been under the impression that UIGraphicsBeginImageContext is thread safe, and can be called from any ... confused examples from Apple. See Question&Answers more detail:os...

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

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791 views

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iphone - Simple gun in cocos2d+box2d game

I'm newbie in box2d. Can you help me? I want to make gun (touch, move, stopped, ball flew). I make ... to the ball? Thank you very much See Question&Answers more detail:os...

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

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523 views

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iphone - Drawing formulas with Quartz 2d

In my iPhone App I'd like to draw a few formulas. How can I manage that with quartz 2d? Is there ... are there any existing frameworks? 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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533 views

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iphone - response expectedContentLength return -1

Hello i need to create a progressView when i load data from my webservice. Actually the expectedContentLength alway ... see 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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500 views

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iphone - UIModalTransitionStylePartialCurl with UITabBarController

This question has been asked a lot e.g. here but as far as I can see is yet to be answered in full ... animated:YES]; Any help much appreciated. See Question&Answers more detail:os...

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

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659 views

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iphone - Draw text in circle overlay

I'm trying to draw some circle overlays containing text on MKMapView. I have subclassed the MKCircleView, in which I ... am I missing ? 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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639 views

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iphone - UIDatePicker show only month and day

I'd like to have a UIDatePicker where the user can pick a month and a day but not the year. I'm aware ... don't exist in the selected month)? 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 sdk 3.2 - Is there a specific Xcode compiler flag that gets set when compiling for iPad?

Is there a specific Xcode compiler flag that gets set when compiling for iPad? I want to conditionally ... specifically targets iPad? -Rei See Question&Answers more detail:os...

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

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554 views

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iphone - File Formats Supported by UIWebView

What are all the file formats supported by UIWebView? In my testing, I found that it supports XLS, DOC, ... clearly. Could someone please 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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525 views

1 answer

iphone - Change the first character in each word of a string to uppercase

I found the function below : CFStringCapitalize "Changes the first character in each word of a string to uppercase ( ... ? Thank you, Gauthier. See Question&Answers more detail:os...

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

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465 views

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iphone - Error: Whitelist rejection in Phonegap

I'm new to mobile development. I'm using Phonegap/Cordova to create a cross-platform app. My code works well ... can I overcome 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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610 views

1 answer

iphone - How to use UITableView inside UIScrollView and receive a cell click?

I have DiscountListTableViewController that is shown as a separate screen in my app. But there's another screen ... directly. 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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441 views

1 answer

iphone - Creating an SQLite3 database file through Objective-C

I'm trying to create an SQLite3 database file through Objective-C at run time. I am trying to create a table ... Thanks so much for the 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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705 views

1 answer

iphone - Determine the speed on internet programmatically

I know with reachability you can check if you are connected to the internet. But is there a way to ... the speed on internet programmatically? See Question&Answers more detail:os...

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

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523 views

1 answer

iphone - Why won't my awakeFromNib fire?

I am starting to move more of my view hierarchy construction to IB. I have a nib file called "AlignmentViewController ... better way 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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830 views

1 answer

iphone - How to change color of selected row in UIPickerView

Ok, maybe I'm missing something really simple and I apologize if that's the case, however, I've googled every ... carsLabel; } return nil; } See Question&Answers more detail:os...

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

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700 views

1 answer

iphone - How to get UILabel (UITextView) auto adjusted font size?

Is it possible to get final font size, after autoadjusting? (property adjustsFontSizeToFitWidth set to ... CGContextRestoreGState(myContext); See Question&Answers more detail:os...

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

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566 views

1 answer

iphone - How to lock the horizontal scrolling of a scrollView in iOS

i have a scrollView. i want it to scroll only in one direction(VERTICAL). Is there a way in which i can lock the horizontal scrolling...?? ... 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

1 answer

iphone - How can I optimize the rendering of a large model in OpenGL ES 1.1?

I just finished implementing VBO's in my 3D app and saw a roughly 5-10x speed increase in rendering. What ... a CAD model. 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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536 views

1 answer

iphone - Cannot view Quicktime movies over HTTPS in Safari or UIWebView

I am trying to get my iPhone application to work with HTTPS in addition to HTTP, but using UIWebView or ... me view video over HTTPS? See Question&Answers more detail:os...

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

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472 views

1 answer

iphone - Cannot find protocol declaration for

I have two objects, both of which are view controllers. The first (Ill call it viewController1) declares a ... . Am I missing something? See Question&Answers more detail:os...

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

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538 views

1 answer

iphone - UIViewController -viewDidLoad not being called

Being new to Cocoa, I'm having a few issues with Interface Builder, UIViewController and friends. I have a ... opaque Interface Builder tool). See Question&Answers more detail:os...

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

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452 views

1 answer

iphone - Semicolon after the method name in Objective-C implementation file

- (void) designImageViewNow; { //some code here } Is it correct to write semicolon ; just after the method name ... In fact it is working fine. See Question&Answers more detail:os...

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

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395 views

1 answer

iphone - How to make ui responsive all the time and do background updating?

I am creating a application which displays 8 thumbnails per page and it can have n pages. Each of these ... of thumbnails. TIA, Praveen S See Question&Answers more detail:os...

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

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482 views

1 answer

iphone - Is there a way to force horizontal / landscape layout on mobile devices?

I'm building a mobile version of a website, and in this specific case it would look perfect in horizontal ... target majority of mobile users. See Question&Answers more detail:os...

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

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753 views

1 answer

iphone - UILabel visible part of text

Is there a way to get the visible part of text in word wrapped UILabel? I mean exactly the last visible character? ... :-) Thank you 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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