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  • Two Problems I'm having with UIButton and UIView.

    - by Andy
    Hi all, I haven't been programming on the iPhone for very long, but I'm picking it up slowly by googling problems I get. Unfortunately I haven't been able to find an answer for these. I have started a new View-based application in Xcode 3.2.2 and immediately added the following files: myUIView.m and myUIView.h, which are subclasses of UIView. In Interface Builder, I set the subclass of the default UIView to be myUIView. I made a button in the drawRect method. Problem one: The title of the button only appears AFTER I click the screen, why? Problem two: I want the button to produce the modalview - is this possible? The code is as follow: #import "myUIView.h" @implementation myUIView - (void)drawRect:(CGRect)rect { // Drawing code button = [UIButton buttonWithType:UIButtonTypeRoundedRect]; button.frame = CGRectMake(0,0,100,100); [button setTitle:@"butty" forState:UIControlStateNormal]; [button addTarget:self action:@selector(buttonPressed:) forControlEvents:UIControlEventTouchUpInside]; [self addSubview:button]; } -(void)buttonPressed:(id)sender{ NSLog(@"Button pressed"); //present modal view somehow..? } I can't see how to post attachments, but if anyone thinks it will help I can upload the source. Many thanks, Andy

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  • How can I remove the present view when I have added more than one subView ?

    - by srikanth rongali
    How can I remove the present view when I touched the close button. I did [self.view removeFromSuperView] when I added only one subView. It worked. But, I have now added another subView to the previous subView. I need to to get the parent view . How can I do it. My code of adding the subView is here. When I did the following only one view is removed. //FirstViewController: UIViewController -(void)libraryFunction:(id)sender { LibraryController *libraryController = [[LibraryController alloc]init]; [self.view addSubview:libraryController.view]; } //LibraryController: UIViewController -(void)viewDidLoad{ RootViewController *rootViewController = [[RootViewController alloc] initWithStyle:UITableViewStylePlain]; UINavigationController *aNavigationController = [[UINavigationController alloc] initWithRootViewController:rootViewController]; self.navController = aNavigationController; [aNavigationController release]; [rootViewController release]; [self.view addSubview:navController.view]; } //RootViewController: UITableViewController - (void)viewDidLoad { [super viewDidLoad]; self.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc] initWithTitle:@"Close" style:UIBarButtonItemStyleBordered target:self action:@selector(close:)]; } -(void)close:(id)sender { [self.view removeFromSuperview]; } Thank You.

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  • Getting error using ContactManager Sample

    - by OceanBlue
    I have created some contacts data in the emulator. When I run the ContactManager sample app downloaded from the Android site, I get an error. Specifically, when trying to add a Contact through the app, I get a NullPointerException. I think it is because the "Target Accounts" spinner on the scree is not getting populated, and hence I cannot select a Target Account before adding a contact. Has anyone run across this problem or has any clues on how to fix this?

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  • How do i set and get UIButtons' tag?

    - by Sam Jarman
    How do i set a tag for a button programmatically? I later want to compare to tags for a conclusion ive tried this -(IBAction)buttonPressed:(id)sender{ NSLog(@"%d", [sender tag]); } but that just crashes the app.... :( any other ideas? Cheers Guys Sam

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  • suppress keyboard in iphone UiWebViews

    - by rob
    I have an app that uses UiWebViews, and I need to not show the keyboard for a text field within such a view. I provide my own buttons that insert the limited sorts of text the field allows, but I also need to allow pasting (I will filter what gets pasted) and adjusting the cursor position. Any way to do this?

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  • Compiling Enet in iphone xcode project

    - by EToreo
    Hello, I am trying to compile the Enet source code into my code framework for iPhone games. After modifying the header files I get it compiling and linking, but I absolutely must be compiling with the "Compile Source As" set to "Objective-C++" in my xcode project (because the framework code requires this). When I flip this switch in my test project, I get these errors: Undefined symbols: "_enet_list_clear", referenced from: _enet_host_connect in host.o ... Can anyone help get this linking with "Compile Source As" set to "Objective-C++"?

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  • UITextView cut problem !

    - by Mc.Lover
    Hi , i have problem with cut some text from UITextView , i idon't understand how can implement Cut , for example copy or paste it's like this : -(IBAction)copy { NSString *copyString = [[NSString alloc] initWithFormat:@"%@",[textPad text]]; UIPasteboard *pb = [UIPasteboard generalPasteboard]; [pb setString:copyString]; } -(IBAction)paste { UIPasteboard *pb = [UIPasteboard generalPasteboard]; textPad.text = [pb string]; } but about cut ! thank you ,

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  • MPMoviePlayerContentPreloadDidFinishNotification seems more reliable than MPMoviePlayerLoadStateDidChangeNotification

    - by user567889
    I am streaming small movies (1-3MB) off my website into my app. I have a slicehost webserver, I think it's a "500MB slice". Not sure off the top of my head how this translates to bandwidth, but I can figure that out later. My experience with MPMoviePlayerLoadStateDidChangeNotification is not very good. I get much more reliable results with the old MPMoviePlayerContentPreloadDidFinishNotification If I get a MPMoviePlayerContentPreloadDidFinishNotification, the movie will play without stuttering, but if I use MPMoviePlayerLoadStateDidChangeNotification, the movie frequently stalls. I'm not sure which load state to check for: enum { MPMovieLoadStateUnknown = 0, MPMovieLoadStatePlayable = 1 << 0, MPMovieLoadStatePlaythroughOK = 1 << 1, MPMovieLoadStateStalled = 1 << 2, }; MPMovieLoadStatePlaythroughOK seems to be what I want (based on the description in the documentation): MPMovieLoadStatePlaythroughOK Enough data has been buffered for playback to continue uninterrupted. Available in iOS 3.2 and later. but that load state NEVER gets set to this in my app. Am I missing something? Is there a better way to do this?

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  • I want to get the value from one class (SearchTableViewController.m) to another class (HistoryTableV

    - by ahmet732
    #import <UIKit/UIKit.h> @class SearchDetailViewController; @interface SearchTableViewController : UITableViewController <UISearchBarDelegate, UITableViewDelegate, UITableViewDataSource>{ IBOutlet UITableView *myTableView; NSMutableArray *tableData;//will be storing data that will be displayed in table. //Search array den buna aktarma yapcaz ilerde görceksin. NSMutableArray *searchedData;//will be storing data matching with the search string UISearchBar *sBar;//search bar NSMutableArray *searchArray; // It holds the medicines that are shown in tableview SearchDetailViewController * searchDetailViewController; NSMutableArray *deneme; } @property(nonatomic,retain)UISearchBar *sBar; @property(nonatomic,retain)IBOutlet UITableView *myTableView; @property(nonatomic,retain)NSMutableArray *tableData; @property(nonatomic,retain)NSMutableArray *searchedData; @property (nonatomic, retain) NSMutableArray *searchArray; @property (nonatomic, retain) SearchDetailViewController *searchDetailViewController; @property (nonatomic, copy) NSMutableArray *deneme; @end SearchTableViewController.m - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath { // Navigation logic may go here. Create and push another view controller. // AnotherViewController *anotherViewController = [[AnotherViewController alloc] initWithNibName:@"AnotherView" bundle:nil]; // [self.navigationController pushViewController:anotherViewController]; // [anotherViewController release]; **deneme= [[NSMutableArray alloc]init]; deneme=[tableData objectAtIndex:indexPath.row];** ****NSLog(@"my row = %@", deneme);**// I holded one of the selected cells here** HistoryTableViewController.m - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath { // Navigation logic may go here. Create and push another view controller. // AnotherViewController *anotherViewController = [[AnotherViewController alloc] initWithNibName:@"AnotherView" bundle:nil]; // [self.navigationController pushViewController:anotherViewController]; // [anotherViewController release]; **SearchTableViewController *obj= [[SearchTableViewController alloc]init];** **NSLog(@"my 2nd row= %@", [obj deneme]); //it prints nil** } My project is TabBar. There are two buttons on it- Search and History. I want to display selected items in a table in History tab. But i can not bring the selected item from SearchTableViewController.m to the class (HistoryTableViewController.m) The problem is : I can hold one of the selected items in an array (named deneme)from table in SearchTableViewController.m but i can not take it to HistoryTableViewController.m. It prints nil in console screen.... If I can make it visible in History class, I display those selected items on table. Please help me !!!

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  • Facebook connect

    - by user333639
    Is there anyway of using facebook connect within an iPad or iPhone application. The idea would be to sign into this App and then be able to see which of my facebook user's also use the app and its features.

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  • editButtonItem set but no minus buttons?

    - by QAD
    My edit button is placed in viewDidLoad: self.navigationItem.rightBarButtonItem = self.editButtonItem; It shows up correctly on the nav bar, and tapping this button indeed change it to Done. However, no minus buttons show up in my table rows. Swiping a row, then tap Delete works, though. Any ideas? EDIT 1: Here's how I'm doing: - (void)loadView { tableView = [[UITableView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]]; tableView.delegate = self; tableView.dataSource = self; tableView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight; self.view = tableView; } EDIT 2: My observation is that the edit and minus buttons display fine if my tableview is created in IB (RootViewController). The other two (or three) tableview are created by the aforemention code, so that might be the problem. Guess I'd have to dive in to isEditing, editing and whatnot.

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  • What's CFRunLoop?

    - by Boon
    I would like to understand run loop more in-depth than what the reference provides. Is there resources out there that discuss this in greater details?

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  • Showing/Hiding windows iPhone Dev

    - by Cal S
    In my iPhone app I am developing, I have defined two windows: @interface The_NoteAppDelegate : NSObject <UIApplicationDelegate> { IBOutlet UIWindow *newNoteWindow; IBOutlet UIWindow *homeWindow; } @property (nonatomic, retain) UIWindow *newNoteWindow; @property (nonatomic, retain) UIWindow *homeWindow; and they are linked correctly in IB - but how do I show/hide these windows? [homeWindow makeKeyAndVisible]; works in appDidFinishLaunching but when I try [newNoteWindow makeKeyAndVisible]; again to open the other window (on a button touch event) in front of the other, the app freezes. I know this is a very n00by question but please help me out :)

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  • Audio/Voice Visualization

    - by Neurofluxation
    Hey you Objective-C bods. Does anyone know how I would go about changing (transforming) an image based on the input from the Microphone on the iPhone? i.e. When a user speaks into the Mic, the image will pulse or skew. Thanking you!!

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  • launching iphone app in itunes store help

    - by Adusum
    Hi, I developed an iPhone app using UITablesView and database in the background. I want to know furthur step for it like after completing the app development how to proceed furthur for launching it in itunes store. Can anyone help me in detail about it. Thanks,

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  • iPhone WebApp Question

    - by Henry D'Andrea
    I have this code- /** Save the web view as a screenshot. Currently only supports saving to the photo library. / - (void)saveScreenshot:(NSArray)arguments withDict:(NSDictionary*)options { CGRect screenRect = [[UIScreen mainScreen] bounds]; CGRect imageRect = CGRectMake(0, 0, CGRectGetWidth(screenRect), CGRectGetHeight(screenRect)); UIGraphicsBeginImageContext(imageRect.size); [webView.layer renderInContext:UIGraphicsGetCurrentContext()]; UIImage *viewImage = UIGraphicsGetImageFromCurrentImageContext(); UIGraphicsEndImageContext(); UIImageWriteToSavedPhotosAlbum(viewImage, self, nil, nil); UIAlertView *alert= [[UIAlertView alloc] initWithTitle:nil message:@"Image Saved" delegate:self cancelButtonTitle:@"OK" otherButtonTitles:nil]; [alert show]; [alert release]; } This is for saving whatever you drew in my app. How would I add the button for this in the HTML code. How do i call from it?

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  • Why am I getting this warning about my app delegate and CLLocationManageDelegate?

    - by Dan Ray
    Observe this perfectly simple UIViewController subclass method: -(IBAction)launchSearch { OffersSearchController *search = [[OffersSearchController alloc] initWithNibName:@"OffersSearchView" bundle:nil]; EverWondrAppDelegate *del = [UIApplication sharedApplication].delegate; [del.navigationController pushViewController:search animated:YES]; [search release]; } On the line where I get *del, I am getting a compiler warning that reads, Type 'id <UIApplicationDelegate>' does not conform to the 'CLLocationManagerDelegate' protocol. In fact, my app delegate DOES conform to that protocol, AND what I'm doing here has nothing at all to do with that. So what's up with that message? Secondary question: sometimes I can get to my navigationController via self.navigationController, and sometimes I can't, and have to go to my app delegate's property to get it like I'm doing here. Any hint about why that is would be very useful.

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  • Why I can't draw in a loop? (Using UIView in iPhone)

    - by Tattat
    I can draw many things using this : NSString *imagePath = [[NSBundle mainBundle] pathForResource:@"dummy2.png" ofType:nil]; UIImage *img = [UIImage imageWithContentsOfFile:imagePath]; image = CGImageRetain(img.CGImage); CGRect imageRect; double x = 0; double y = 0; for (int k=0; k<someValue; k++) { x += k; y += k; imageRect.origin = CGPointMake(x, y); imageRect.size = CGSizeMake(25, 25); CGContextDrawImage(UIGraphicsGetCurrentContext(), imageRect, image); } } CGImageRelease(img.CGImage); So, it works, so, I put it into a command object's execute method. Then, I want to do similar thing, but this time, my execute method only do this: NSString *imagePath = [[NSBundle mainBundle] pathForResource:@"dummy2.png" ofType:nil]; UIImage *img = [UIImage imageWithContentsOfFile:imagePath]; image = CGImageRetain(img.CGImage); CGRect imageRect; double x = inComingX; double y = inComingY; imageRect.origin = CGPointMake(x, y); imageRect.size = CGSizeMake(25, 25); CGContextDrawImage(UIGraphicsGetCurrentContext(), imageRect, image); CGImageRelease(img.CGImage); This time, this is also a Command, and it is the execute method. But I take the for loop away. I will have another method that pass the inComingX , and inComingY into my Command object. My Drawing method is simply execute the Cmd that passed in my drawingEngine: -(void)drawInContext:(CGContextRef)context { [self.cmdToBeExecuted execute]; } I also have the assign method to assign the command,: -(void)assignCmd:(Command* )cmd{ self.cmdToBeExecuted = cmd; } And this is the way I called the drawingEngine for(int k=0; k<5; k++){ [self.drawingEngine assignCmd:[DrawingCmd setDrawingInformation:(10*k):0:@"dummy.png"]]; [self.drawingEngine setNeedsDisplay]; } It can draw, but the sad thing is it only draw the last one. Why? and how to fix it? I can draw all the things in my First code, but after I take the loop outside, and use the loop in last code, it just only draw the last one. Plz help

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