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  • Getting a WebView to act exactly like Safari

    - by Kelly McDonald
    (edited to give a better description of the answer I gave) I have created a very simple browser in InterfaceBuilder consisting of a nav bar and a webview. Everything works fine except when I try to tab between input fields is the webview, the focus goes to the nav bar. I'm assuming I need to do something with the responder chain, but I haven't been able to figure out what. Any advice? Thanks, Kelly

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  • Set the width and height for a TTLauncherItem

    - by Koning Baard
    I have this: _launcherView.pages = [NSArray arrayWithObjects: [NSArray arrayWithObjects: [[[TTLauncherItem alloc] initWithTitle:@"New Note" image:@"bundle://Icon.png" style:TTSTYL URL:@"http://www.google.com/" canDelete:NO] autorelease], [[[TTLauncherItem alloc] initWithTitle:@"To Do Items" image:@"bundle://Icon.png" URL:@"http://www.yahoo.com/" canDelete:NO] autorelease], nil], nil]; How can I set the width and height for the items? I want all items to be 64x64 pixels. Thanks

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  • Packaging a Bundle with a static library

    - by 4thSpace
    I have a static library that includes some xibs. These will basically be the same across projects. I'd like to include the xibs as part of the library. I can include their veiwcontrollers, reference these controllers in the calling project but then there isn't a xib to load. When I right click the xib in the library project, it can't be part of the target. I thought about creating a CFPluginBundle but that creates a new project. I'd loose all of my IBOutlet and IBAction references. What is the best way to reuse xibs that also have outlets and actions to specific controllers?

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  • IPad App Issue - Webview

    - by Manoj Khaylia
    Hi all I developing a Ipad application I am trying to use Webview but not able to open the URL in webview I am using following code NSURL *fileURL = [[[NSURL alloc] initWithString:@"http://www.google.com/"] autorelease]; NSURLRequest *requestObj = [NSURLRequest requestWithURL:fileURL]; [webview loadRequest:requestObj]; this code working well for Iphone app not not working for Ipad app. Is anything wrong. Thanks Amit Battan

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  • Nav Controller, UITableViewController, UITextField to become firstResponder?

    - by Daniel Granger
    I have a core data application which uses a navigation controller to drill down to a detail view and then if you edit one of the rows of data in the detail view you get taken to an Edit View for the that single line, like in Apples CoreDataBooks example! The edit view is a UITableviewController which creates its table with a single section single row and a UITextfield in the cell, programatically. What I want to happen is when you select a row to edit and the edit view is pushed onto the nav stack and the edit view is animated moving across the screen, I want the textfield to be selected as firstResponder so that the keyboard is already showing as the view moves across the screen to take position. Like in the Contacts app or in the CoreDataBooks App. I currently have the following code in my app which causes the view to load and then you see the keyboard appear (which isn't what I want, I want the keyboard to already be there) - (void)viewDidAppear:(BOOL)animated { [super viewDidAppear:animated]; [theTextField becomeFirstResponder]; } You can't put this in -viewWillAppear as the textfield hasn't been created yet so theTextField is nil. In the CoreDataBooks App where they achieve what i want they load there tableview from a nib so they use the same code but in -viewWillAppear as the textfield has already been created! Is there anyway of getting around this without creating a nib, I want to keep the implementation programatic to enable greater flexibility. Many Thanks

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  • OCUnit testing an embedded framework

    - by d11wtq
    I've added a Unit Test target to my Xcode project but it fails to find my framework when it builds, saying: Test.octest could not be loaded because a link error occurred. It is likely that dyld cannot locate a framework framework or library that the the test bundle was linked against, possibly because the framework or library had an incorrect install path at link time. My framework (the main project target) is designed to be embedded and so has an install path of @executable_path/../Frameworks. I've marked the framework as a direct dependency of the test target and I've added it to the "Link Binary with Libraries" build phase. Additionally I've add a first step (after it's built the dependency) of "Copy Files" which simply copies the framework to the unit test bundle's Frameworks directory. Anyone got any experience on this? I'm not sure what I've missed.

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  • Callback for camera shutter open event

    - by Raj
    Hi all, I have been working around in UIImagePickerController and am struck with a problem where I need to get the precise moment when the camera shutter opens in UIImagePickerController when the source type is set to camera (UIImagePickerControllerSourceTypeCamera). I have done some googling around and have realized that no one had such strange requirement! I looked around the docs of UIImagePickerController and UIImagePickerControllerDelegate hoping to get some delegate method / callback indicating the camera shutter open event, but did not find any. Any suggestions? Thanks for any help, Raj Pawan

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  • Aquatic Prime on 10.6?

    - by Kevin
    Hello, I have 2 applications that I use with Aquatic Prime. One is an application just with the Aquatic Prime framework, and the other is an application that I've been working on that has been incorporated with the Aquatic Prime framework. The first application I mentioned before has its SDK set to 10.5 with the architecture to 32-bit. The second application I made has its SDK that is set to 10.6 (which it has to since I need NSRunningApplication) and its architecture to 32-bit. Now my question is, whenever I debug my first application it works perfectly fine, but with my second it gives me this interrupted error right after Running. What's going wrong? I've tried doing some breakpoints like "objc-exception-throw" but all it says is stopped at breakpoint 1. I need 10.6 in my application, but I also need Aquatic Prime. Can anyone help me solve this problem? Ok here's the one from the stack trace which I have no idea how to read: 0x91cdff11 <+0000> push %ebp 0x91cdff12 <+0001> mov %esp,%ebp 0x91cdff14 <+0003> sub $0x28,%esp 0x91cdff17 <+0006> mov %ebx,-0xc(%ebp) 0x91cdff1a <+0009> mov %esi,-0x8(%ebp) 0x91cdff1d <+0012> mov %edi,-0x4(%ebp) 0x91cdff20 <+0015> call 0x91cdff25 <objc_exception_throw+20> 0x91cdff25 <+0020> pop %ebx 0x91cdff26 <+0021> mov 0x8(%ebp),%esi 0x91cdff29 <+0024> lea 0xe4cbb8b(%ebx),%edi 0x91cdff2f <+0030> mov 0x4(%edi),%eax 0x91cdff32 <+0033> test %eax,%eax 0x91cdff34 <+0035> jne 0x91cdff3b <objc_exception_throw+42> 0x91cdff36 <+0037> call 0x91ce4f53 <set_default_handlers> 0x91cdff3b <+0042> mov %esi,(%esp) 0x91cdff3e <+0045> nop 0x91cdff3f <+0046> nopl 0x0(%eax) 0x91cdff43 <+0050> mov %esi,(%esp) 0x91cdff46 <+0053> call *0x4(%edi) 0x91cdff49 <+0056> lea 0xfd44(%ebx),%eax 0x91cdff4f <+0062> mov %eax,(%esp) 0x91cdff52 <+0065> call 0x91ce4e1f <_objc_fatal> The the GDB tells me its all good: run [Switching to process 990] Running… 2009-10-14 15:20:33.233 ApplicationName[990:a0f] init Sincerely, Kevin

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  • UITextView insert text in the textview text

    - by John Smith
    I want to have to occasionally insert text into the UITextView text object. For example, if the user presses the "New Paragraph" button I would like to insert a double newline instead of just the standard single newline. How can I go about such? Do i have to read the string from UITextView, mutate it, and write it back? Then how would I know where the pointer was? Thanks

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  • NSXMLParser and Geonames

    - by Xcoder
    I'm trying to parse a call from Geonames with NSXMLParser in the iPhone SDK. I've used this before but for some reason I'm getting an empty dictionary back even though I get results back in a web browser. Can someone please point out what I may be doing wrong. Below is the code I'm using and the results that comes back pasting it in a browser. Thanks in advance #pragma mark - #pragma mark - Parcer Services -(void)beginLoadingFeed{ //[self startLoadingWithMessage:@"Loading Results...."]; NSInvocationOperation *operation = [[NSInvocationOperation alloc] initWithTarget:self selector:@selector(loadFeed) object:nil]; [operationQueue addOperation:operation]; [operation release]; } - (void)loadFeed{ NSString *path = [NSString stringWithFormat:@"http://ws.geonames.org/postalCodeSearch?placename=%@&long&maxRows=20",self.location]; [Logger log:@"Geonames Query: %@",path]; [self parseXMLFileAtURL:path]; [self performSelectorOnMainThread:@selector(didfinishedLoadingFeed) withObject:nil waitUntilDone:YES]; } -(void)didfinishedLoadingFeed{ } - (void)parserDidStartDocument:(NSXMLParser *)parser{ [Logger log:@"found file and started parsing"]; } //Called when the parser runs into an open tag (<tag>) - (void)parser:(NSXMLParser *)parser didStartElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName attributes:(NSDictionary *)attributeDict { if ([elementName isEqualToString:@"code"]) { currentResult = [NSMutableDictionary dictionary]; } else { currentElement = [elementName copy]; } } //This is just to resolve random HTML entities - (NSData *)parser:(NSXMLParser *)parser resolveExternalEntityName:(NSString *)entityName systemID:(NSString *)systemID { return [entityName dataUsingEncoding:NSASCIIStringEncoding]; } - (void)parseXMLFileAtURL:(NSString *)URL{ self.results = [[[NSMutableArray alloc] init] autorelease]; NSURL *xmlURL = [NSURL URLWithString:URL]; NSXMLParser *parser = [[NSXMLParser alloc] initWithContentsOfURL:xmlURL]; [parser setDelegate:self]; [parser parse]; [parser autorelease]; } - (void)parser:(NSXMLParser *)parser parseErrorOccurred:(NSError *)parseError { NSString * errorString = [NSString stringWithFormat:@"Unable to connect to web site (Error code %i )", [parseError code]]; [Logger log:@"error parsing : %@", errorString]; [self stopLoadingView]; [self showMessage:@"Error loading content" withTitle:@"Error Loading"]; } /*** Called when the parser runs into a close tag (</tag>). If it is the Result tag that is closing, we should add the currentResult to the array, and then forget about it ***/ - (void)parser:(NSXMLParser *)parser didEndElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName { if ([elementName isEqualToString:@"code"]) { [self.results addObject:currentResult]; currentResult = nil; } } - (void)parserDidEndDocument:(NSXMLParser *)parser { [Logger log:@"all done!"]; [Logger log:@"results array has %d items", [self.results count]]; [Logger log:@"Results:%@",results]; [theTableView reloadData]; [self stopLoadingView]; } Below is the result that comes back in a browser using the same call above when doing the search for the term "boston": <?xml version="1.0" encoding="UTF-8" standalone="no"?> <geonames> <totalResultsCount>2808</totalResultsCount> <code> <postalcode>02101</postalcode> <name>Boston</name> <countryCode>US</countryCode> <lat>42.370567</lat> <lng>-71.026964</lng> <adminCode1>MA</adminCode1> <adminName1>Massachusetts</adminName1> <adminCode2>025</adminCode2> <adminName2>Suffolk</adminName2> <adminCode3/> <adminName3/> </code> <code> <postalcode>02108</postalcode> <name>Boston</name> <countryCode>US</countryCode> <lat>42.357603</lat> <lng>-71.068432</lng> <adminCode1>MA</adminCode1> <adminName1>Massachusetts</adminName1> <adminCode2>025</adminCode2> <adminName2>Suffolk</adminName2> <adminCode3/> <adminName3/> </code> <code> <postalcode>02109</postalcode> <name>Boston</name> <countryCode>US</countryCode> <lat>42.360027</lat> <lng>-71.054495</lng> <adminCode1>MA</adminCode1> <adminName1>Massachusetts</adminName1> <adminCode2>025</adminCode2> <adminName2>Suffolk</adminName2> <adminCode3/> <adminName3/> </code> <code> <postalcode>02110</postalcode> <name>Boston</name> <countryCode>US</countryCode> <lat>42.357636</lat> <lng>-71.051417</lng> <adminCode1>MA</adminCode1> <adminName1>Massachusetts</adminName1> <adminCode2>025</adminCode2> <adminName2>Suffolk</adminName2> <adminCode3/> <adminName3/> </code> <code> <postalcode>02111</postalcode> <name>Boston</name> <countryCode>US</countryCode> <lat>42.350348</lat> <lng>-71.0629</lng> <adminCode1>MA</adminCode1> <adminName1>Massachusetts</adminName1> <adminCode2>025</adminCode2> <adminName2>Suffolk</adminName2> <adminCode3/> <adminName3/> </code> <code> <postalcode>02114</postalcode> <name>Boston</name> <countryCode>US</countryCode> <lat>42.361111</lat> <lng>-71.06823</lng> <adminCode1>MA</adminCode1> <adminName1>Massachusetts</adminName1> <adminCode2>025</adminCode2> <adminName2>Suffolk</adminName2> <adminCode3/> <adminName3/> </code> <code> <postalcode>02115</postalcode> <name>Boston</name> <countryCode>US</countryCode> <lat>42.342706</lat> <lng>-71.092215</lng> <adminCode1>MA</adminCode1> <adminName1>Massachusetts</adminName1> <adminCode2>025</adminCode2> <adminName2>Suffolk</adminName2> <adminCode3/> <adminName3/> </code> <code> <postalcode>02116</postalcode> <name>Boston</name> <countryCode>US</countryCode> <lat>42.349201</lat> <lng>-71.076798</lng> <adminCode1>MA</adminCode1> <adminName1>Massachusetts</adminName1> <adminCode2>025</adminCode2> <adminName2>Suffolk</adminName2> <adminCode3/> <adminName3/> </code> <code> <postalcode>02118</postalcode> <name>Boston</name> <countryCode>US</countryCode> <lat>42.336162</lat> <lng>-71.072854</lng> <adminCode1>MA</adminCode1> <adminName1>Massachusetts</adminName1> <adminCode2>025</adminCode2> <adminName2>Suffolk</adminName2> <adminCode3/> <adminName3/> </code> <code> <postalcode>02128</postalcode> <name>Boston</name> <countryCode>US</countryCode> <lat>42.364197</lat> <lng>-71.025694</lng> <adminCode1>MA</adminCode1> <adminName1>Massachusetts</adminName1> <adminCode2>025</adminCode2> <adminName2>Suffolk</adminName2> <adminCode3/> <adminName3/> </code> <code> <postalcode>02199</postalcode> <name>Boston</name> <countryCode>US</countryCode> <lat>42.347873</lat> <lng>-71.082543</lng> <adminCode1>MA</adminCode1> <adminName1>Massachusetts</adminName1> <adminCode2>025</adminCode2> <adminName2>Suffolk</adminName2> <adminCode3/> <adminName3/> </code> <code> <postalcode>02210</postalcode> <name>Boston</name> <countryCode>US</countryCode> <lat>42.348921</lat> <lng>-71.046511</lng> <adminCode1>MA</adminCode1> <adminName1>Massachusetts</adminName1> <adminCode2>025</adminCode2> <adminName2>Suffolk</adminName2> <adminCode3/> <adminName3/> </code> <code> <postalcode>02215</postalcode> <name>Boston</name> <countryCode>US</countryCode> <lat>42.347088</lat> <lng>-71.102689</lng> <adminCode1>MA</adminCode1> <adminName1>Massachusetts</adminName1> <adminCode2>025</adminCode2> <adminName2>Suffolk</adminName2> <adminCode3/> <adminName3/> </code> <code> <postalcode>22713</postalcode> <name>Boston</name> <countryCode>US</countryCode> <lat>38.538241</lat> <lng>-78.142285</lng> <adminCode1>VA</adminCode1> <adminName1>Virginia</adminName1> <adminCode2>047</adminCode2> <adminName2>Culpeper</adminName2> <adminCode3/> <adminName3/> </code> <code> <postalcode>24592</postalcode> <name>South Boston</name> <countryCode>US</countryCode> <lat>36.696335</lat> <lng>-78.918829</lng> <adminCode1>VA</adminCode1> <adminName1>Virginia</adminName1> <adminCode2>083</adminCode2> <adminName2>Halifax</adminName2> <adminCode3/> <adminName3/> </code> <code> <postalcode>02102</postalcode> <name>Boston</name> <countryCode>US</countryCode> <lat>42.338947</lat> <lng>-70.919635</lng> <adminCode1>MA</adminCode1> <adminName1>Massachusetts</adminName1> <adminCode2>025</adminCode2> <adminName2>Suffolk</adminName2> <adminCode3/> <adminName3/> </code> <code> <postalcode>02103</postalcode> <name>Boston</name> <countryCode>US</countryCode> <lat>42.338947</lat> <lng>-70.919635</lng> <adminCode1>MA</adminCode1> <adminName1>Massachusetts</adminName1> <adminCode2>025</adminCode2> <adminName2>Suffolk</adminName2> <adminCode3/> <adminName3/> </code> <code> <postalcode>02104</postalcode> <name>Boston</name> <countryCode>US</countryCode> <lat>42.338947</lat> <lng>-70.919635</lng> <adminCode1>MA</adminCode1> <adminName1>Massachusetts</adminName1> <adminCode2>025</adminCode2> <adminName2>Suffolk</adminName2> <adminCode3/> <adminName3/> </code> <code> <postalcode>02105</postalcode> <name>Boston</name> <countryCode>US</countryCode> <lat>42.338947</lat> <lng>-70.919635</lng> <adminCode1>MA</adminCode1> <adminName1>Massachusetts</adminName1> <adminCode2>025</adminCode2> <adminName2>Suffolk</adminName2> <adminCode3/> <adminName3/> </code> <code> <postalcode>02106</postalcode> <name>Boston</name> <countryCode>US</countryCode> <lat>42.354318</lat> <lng>-71.073449</lng> <adminCode1>MA</adminCode1> <adminName1>Massachusetts</adminName1> <adminCode2>025</adminCode2> <adminName2>Suffolk</adminName2> <adminCode3/> <adminName3/> </code> </geonames>

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  • NSFileCoordinator correct usage

    - by Johannes
    when writing a file using NSFileCoordinator i need to specify to correct NSFileCoordinatorWritingOptions. Although they are explained in detail, i am not sure when to use which one. The available options are: NSFileCoordinatorWritingForDeleting NSFileCoordinatorWritingForReplacing NSFileCoordinatorWritingForMoving NSFileCoordinatorWritingForMerging For example, what option is the correct one if i want to create a file(a plist for example)? Wich one when i modify a file? Can someone explain the NSFileCoordinatorWritingOptions for a better understanding? Greetings, Johannes

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  • UITabBarController unresponsive for touches

    - by JustSid
    So, I have this view hierarchy in my app: UIWindow UIViewController UITabBarController -> 4 UINavigationController I know that a UITabBarController is designed to be the topmost view in an app, however this isn't possible in my case. However, the problem that I have is that ~20 of the lower pixels aren't responsive for touches so that the UITabBarController doesn't trigger the tab changes correctly. This happens on an actual device (iPad and iPhone 3G). My question is, are there any obvious reasons why this could happen? I add the UITabBarController like this as subview to my UIViewController view: - (void)viewDidLoad { [super viewDidLoad]; [self.view addSubview:controller.view]; // Controller is the UITabBarController } I didn't set the UITabBarController's delegate.

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  • iPhone app: How to implement in-app purchased game levels

    - by Wonderflonium
    So, I understand that it's possible to set up in-app purchases for iPhone apps to purchase non-consumables like game levels. I understand the logic behind the purchase part, but what I don't understand is, how can I deliver the new game level. For example: I build an app that contains the first level and they purchase additional levels. Is it better to build all the other levels into the app and whenever they purchase the app, it unlocks it with a plist entry or something? That doesn't seem very update-able to me. Every time I come up with a new level, I'd have to update the app. So, what I don't understand then, is what is how do I package up a level and download it as a separate entity that can accessed by the game? Would the level just be some XML with images in a ZIP folder or something? How does the level get added to the game? What are best practices for this type of thing? I Googled and have found NOTHING about this. I'm a little bit confused by the concept and any help would be appreciated. I'm not looking for someone to write the game for me, I just need pointed in the right direction so I can develop it on my own.

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  • Asynchronous NSURLConnection Throws EXC_BAD_ACCESS

    - by Sheehan Alam
    I'm not really sure why my code is throwing a EXC_BAD_ACCESS, I have followed the guidelines in Apple's documentation: -(void)getMessages:(NSString*)stream{ NSString* myURL = [NSString stringWithFormat:@"http://www.someurl.com"]; NSURLRequest *theRequest = [NSURLRequest requestWithURL:[NSURL URLWithString:myURL]]; NSURLConnection *theConnection=[[NSURLConnection alloc] initWithRequest:theRequest delegate:self]; if (theConnection) { receivedData = [[NSMutableData data] retain]; } else { NSLog(@"Connection Failed!"); } } And my delegate methods #pragma mark NSURLConnection Delegate Methods - (void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response { // This method is called when the server has determined that it // has enough information to create the NSURLResponse. // It can be called multiple times, for example in the case of a // redirect, so each time we reset the data. // receivedData is an instance variable declared elsewhere. [receivedData setLength:0]; } - (void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data { // Append the new data to receivedData. // receivedData is an instance variable declared elsewhere. [receivedData appendData:data]; } - (void)connection:(NSURLConnection *)connection didFailWithError:(NSError *)error { // release the connection, and the data object [connection release]; // receivedData is declared as a method instance elsewhere [receivedData release]; // inform the user NSLog(@"Connection failed! Error - %@ %@", [error localizedDescription], [[error userInfo] objectForKey:NSErrorFailingURLStringKey]); } - (void)connectionDidFinishLoading:(NSURLConnection *)connection { // do something with the data // receivedData is declared as a method instance elsewhere NSLog(@"Succeeded! Received %d bytes of data",[receivedData length]); // release the connection, and the data object [connection release]; [receivedData release]; } I get an EXC_BAD_ACCESS on didReceiveData. Even if that method simply contains an NSLog, I get the error. Note: receivedData is an NSMutableData* in my header file

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  • Need help with animation on iPhone

    - by Arun Ravindran
    I'm working on an animated clock application for the iPhone, and I have to pivot all the 3 nodes in the view, which I have obtained in the following code: [CATransaction begin]; [CATransaction setValue:(id)kCFBooleanTrue forKey:kCATransactionDisableActions]; clockarm.layer.anchorPoint = CGPointMake(0.0, 0.0); [CATransaction commit]; [CATransaction begin]; [CATransaction setValue:(id)kCFBooleanFalse forKey:kCATransactionDisableActions]; [CATransaction setValue:[NSNumber numberWithFloat:50.0] forKey:kCATransactionAnimationDuration]; CABasicAnimation *animation; animation = [CABasicAnimation animationWithKeyPath:@"transform.rotation.z"]; animation.fromValue = [NSNumber numberWithFloat:-60.0]; animation.toValue = [NSNumber numberWithFloat:2 * M_PI]; animation.timingFunction = [CAMediaTimingFunction functionWithName: kCAMediaTimingFunctionLinear]; animation.delegate = self; [clockarm.layer addAnimation:animation forKey:@"rotationAnimation"]; animation.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut]; [CATransaction commit]; The problem it's just rotating once, ie. only 360 degree and then stopping. I want to raotate the needles indefinitely. How would I do that?

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  • setDelegate:self, how does it work?

    - by fuzzygoat
    I have a query regarding how delegates work. My understanding was that delegates take responsibility for doing certain tasks on behalf of another object. locationManager = [[CLLocationManager alloc] init]; [locationManager setDelegate:self]; [locationManager setDistanceFilter:kCLDistanceFilterNone]; [locationManager setDesiredAccuracy:kCLLocationAccuracyBest]; [locationManager startUpdatingLocation]; Am I right in thinking that in the example code above that the instance of CLLocationManager is created on a new thread so that it can get on with trying to find the location information it needs. When it completes its task (or encounters an error) it calls-back using the appropriate methods located in self e.g. locationManager:didUpdateToLocation:fromLocation: Essentially locationManager sends messages to self (which conforms to the correct delegate protocol) when things happen cheers gary

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  • iPhone - User Defaults and UIImages

    - by Staros
    Hello, I've been developing an iPhone app for the last few months. Recently I wanted to up performance and cache a few of the images that are used in the UI. The images are downloaded randomly from the web by the user so I can't add specific images to the project. I'm also already using NSUserDefaults to save other info within the app. So now I'm attempting to save a dictionary of UIImages to my NSUserDefaults object and get... -[UIImage encodeWithCoder:]: unrecognized selector sent to instance I then decided to subclass UIImage with a class named UISaveableImage and implement NSCoding. So now I'm at... @implementation UISaveableImage -(void)encodeWithCoder:(NSCoder *)encoder { [encoder encodeObject:super forKey:@"image"]; } -(id)initWithCoder:(NSCoder *)decoder { if (self=[super init]){ super = [decoder decodeObjectForKey:@"image"]; } return self; } @end which isn't any better than where I started. If I was able to convert an UIImage to NSData I would be good, but all I can find are function like UIImagePNGRepresentation which require me to know what type of image this was. Something that UIImage doesn't allow me to do. Thoughts? I feel like I might have wandered down the wrong path...

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  • Create a screen like the iPhone home screen with Scrollview and Buttons

    - by Anthony Chan
    Hi, I'm working on a project and need to create a screen similar to the iPhone home screen: A scrollview with multiple pages A bunch of icons When not in edit mode, swipe through different pages (even I started the touch on an icon) When not in edit mode, tap an icon to do something When in edit mode, drag the icon to swap places, and even swap to different pages When in edit mode, tap an icon to remove it Previously I read from several forums that I have to subclass UIScrollview in order to have touch input for the UIViews on top of it. So I subclassed it overriding the methods to handle touches: - (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event { //If not dragging, send event to next responder if (!self.dragging) [self.nextResponder touchesBegan:touches withEvent:event]; else [super touchesBegan:touches withEvent:event]; } In general I've override the touchesBegan:, touchesMoved: and touchesEnded: methods similarly. Then in the view controller, I added to following code: - (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event { UITouch *touch = [touches anyObject]; UIView *hitView = (UIView *)touch.view; if ([hitView isKindOfClass:[UIView class]]) { [hitView doSomething]; NSLog(@"touchesBegan"); } } - (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event { // Some codes to move the icons NSLog(@"touchesMoved"); } - (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event { NSLog(@"touchesEnded"); } When I run the app, I have the touchesBegan method detected correctly. However, when I tried to drag the icon, the icon just moved a tiny bit and then the page started to scroll. In console, it logged with 2 or 3 "touchesMoved" message only. However, I learned from another project that it should logged tonnes of "touchesMoved" message as long as I'm still dragging on the screen. (I'm suspecting I have the delaysContentTouches set to YES, so it delays a little bit when I tried to drag the icons. After that minor delay, it sends to signal back to the scrollview to scroll through the page. Please correct me if I'm wrong.) So if any help on the code to perform the above tasks would be greatly appreciated. I've stuck in this place for nearly a week with no hope. Thanks a lot.

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  • Cocos2D: Problem Rotating a CCMenu

    - by srikanth rongali
    If I try to do actions over menuItems but the actions are not running as expected. I think code below should make the menuItem rotate by 90 degrees but when I run it, the menuItem translates from its coordinates to another coordinate then returns to its original coordinate. The complete translation takes 3 seconds. What I need is for the menuItem to rotate by 90 degrees in place within a 3 seconds duration. Please explain where I have done wrong? CCMenuItemImage *targetE;//Globally declared CCMenu *menu;//Globally declared -(id)init { if( (self = [super init]) ) { isTouchEnabled = YES; CGSize windowSize = [[CCDirector sharedDirector] winSize]; targetE = [CCMenuItemImage itemFromNormalImage:@"grossinis_sister1.png" selectedImage:@"grossinis_sister1.png" target:self selector:@selector(touch:)]; menu = [CCMenu menuWithItems:targetE,nil]; id action4 = [CCRotateBy actionWithDuration:3.0 angle:90]; [menu runAction: [CCSequence actions: action4, nil]]; menu.position = ccp(windowSize.width/2 + 200, windowSize.height/2); [self addChild: menu z:10]; } return self; } @end Thank You.

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  • how to change UIKit UIImage:drawInRect method to AppKIt NSImage:drawInRect Method

    - by user322111
    Hi, i'm porting an iphone app to Mac app,there i have to change all the UIKit related class to AppKit. if you can help me on this really appreciate. is this the best way to do below part.. Iphone App--using UIKit UIGraphicsPushContext(ctx); [image drawInRect:rect]; UIGraphicsPopContext(); Mac Os--Using AppKit [NSGraphicsContext saveGraphicsState]; NSGraphicsContext * nscg = [NSGraphicsContext graphicsContextWithGraphicsPort:ctx flipped:YES]; [NSGraphicsContext setCurrentContext:nscg]; NSRect rect = NSMakeRect(offset.x * scale, offset.y * scale, scale * size.width, scale * size.height); [NSGraphicsContext restoreGraphicsState]; [image drawInRect:rect fromRect:NSMakeRect( 0, 0, [image size].width, [image size].height ) operation:NSCompositeClear fraction:1.0];

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  • UINavigationController from UIViewController

    - by 4thSpace
    I currently have this workflow in a tab based app: Tab1 loads... ViewOne : UIViewController >> PickerView : UIViewController >> DetailView : UIViewController "" means loads based on user action. I'd like navigation bars on PickerView and DetailView. PickerView just needs a cancel button in the top left of its nav bar. DetailView needs the normal navbar back button. I already have PickerView's nav bar wired up through IB and working. I'm not sure what to do with PickerView's nav bar. PickerView is also loaded from Tab2, who's main view starts as a UINavigationController. PickerView's nav bar works fine in that case. ViewOne should not have a navigation bar. Any ideas?

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