I want to plot a two columns stacked bar graph, the data looks like as below, is it possible? 10/09 0.00% -36.94% 528.2502 0.0000 0.0000 333.0924 0.0000 16.1814 178.9764 10/08 0.00% -40.19% 527.7252 0.0000 3.4708 310.5550 1.6321 0.0000 212.0673 10/07 0.00% -38.09% 527.4240 0.0000 0.0000 326.5490 0.0000 8.5167 192.3583 10/06 0...
Hi everyone, I'm trying to make a simple writing app for iPad. I added UIButtons above the keyboard manually without using inputAccessoryView. After launching my app in iPad or iPad simulator, I pressed UITextView to pop up the keyboard. Then if I pressed UIButton immediately after pressing any key in the keyboard, UIButton didn't r...
Hi All, I wonder if there is a higher-level library for parsing PDF files in iOS (iPhone, iPad, iOS version 3.2) ? Specifically I'm looking for functionalities such as I can highlight a word or a sentence of text in a page and also to read PDF hyper-links and act upon them. I've looked up CGPDFScannerRef and it looks like the built-i...
So, my app is a set of stacked views, with a RootViewController as the 2nd view on the stack. The bottom-most view is a menu page, which loads either the rootview controller or an info view onto the stack, and from the rootview controller theres several more views. When I receive a low memory warning, my app does fine unless I try to p...
i am doing the following to initialize the viewcontroller(piechartController) to the viewcontroller's(covVC) variable like following …is it right to change the view controller variable ? self.pie = [[ChatController alloc] initWithNibName:@"Chat" bundle:nil]; self.covVC = [[coverAssetController alloc] init]; self.covVC.pieObj = self.pi...
Hi, I would like to use the iTunes user mail account in order to synchronise some informations (with a server) accross different devices. This mail would be a convenient way to identify one user. I didn't find a way to access it, is it possible to get it ? How can I do that ? Thanks in advance for your answers. ...
Hello - I am pretty much clueless when it comes to graphics so I am trying to make a simple drawing view in my iPad using this tutorial as reference: http://www.ipodtouchfans.com/forums/showthread.php?t=132024 The problem I am having is that the points that are drawn on the screen are a couple inches off from where the finger is actu...
Hello stackoverflow, Quick question: Are the custom URL's passed between applications encrypted in iOS? I can't seem to find any documentation anywhere that can tell me yes or no. Thanks! ...
Apple responded to one of my bug reports suggesting I try to reproduce the issue in the beta version of the next iOS. As with all betas before, this one comes with a warning that iOS [version] beta should only be installed on devices dedicated exclusively for iOS [version] beta testing. Do not install this software if you do not have...
hello stackoverflow, I am using the default splitviewController to make a learning app. Basically I am trying to load some data through a connection and display it in the rootViewController. This works great but there is a bizarre UI bug that is introduced when the table is reloaded with the data (in portrait mode). Essentially the t...
I have subclassed UITableViewCell to make a custom cell for a tableView. I add text and images to the cell's contentView. Everything looks great in landscape mode (iPad), but no so much when I rotate to portrait. Where is the best place to handle orientation changes so that all the table cells can reposition the contents in its contentV...
I have a HTML5 app that uses websql for storing data. Where possible, I'm using the readTransaction() method for read-only SELECT queries, and the transaction() method for INSERT/UPDATE/DELETE queries. I'm not sure if there's a performance benefit to using readTransaction(), but it seems like the right thing to do. The app works fine ...
Hi guys, I am wondering if any developer have attempted to make the box that appears when you resize an image in Pages for iPad, it has 8 handles at the sides that allows you to drag to resize. Regards, Calvin ...
This issue really has me stumped... I have an iPad project that I use UIPanGestureRecognizer and I am using the following method call within my handlePanGesture: - (AIEnemyUnit *) hitTestForEnemyUnit:(CGPoint)where { CALayer * layer = [self hitTest:where]; while (layer) { if ([layer isKindOfClass:[AIEnemyUnit class]]...
I need a library that helps me manipulate a sound file playing in a custom app on an iPad. Here's what I mean. Users runs app. User play track. User presses a button and an echo occurs. User presses a button and the music loops. And other similar DJ events.... Is there an API that makes this possible? ...
Hello, Does anyone know how to use core graphics to draw a pdf like in iBooks. I can already draw a pdf page using core graphics but was curious how iBooks shows a lower quality view of each page so it loads fast and then when you stay on a page longer it renders it a full quality. This makes it able to open the pdf without having to ma...
I'm doing some layer drawing on the iPad and have to provide user interaction. My layer hierarchy is quite complex and deep, I'm drawing some kind of a tree with several interaction possibilities. At the moment I need to draw arrows within this tree which should be drawn on top of all other layers and there the problem comes. These Arro...
The error "implicit declaration of function NSMinX "comes in my project? ...
A few days ago a client asked me if the transition to the iPhone 4s retina display was a difficult one, development-wise. This made me ask myself whether I should have considered iPhones with high resolution dispays even before the iPhone 4 had been announced - creating artwork with higher resolution, preparing codepaths... (while, of c...
I am trying to render text to a shape that isn't a rectangle. The following code works when I add a rectangular path but not when I add an elliptical path. Ultimately, I'd like to draw to any path (L shape, etc), has anyone had any luck with this? -(void)drawRect:(CGRect)rect { CGContextRef context = UIGraphicsGetCurrentContext();...