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  • iphone application development -- passing data to and from the server.

    - by SAPNA
    i have to develop an -phone application .user logs in through the i-phone and gets data stored in the database.our database is created in MY SQL. and website is developed in (classic) ASP.interface is created in i-phone SDK. connection is remaining.what should i use for transferring data to server and from the server. JSON or SOAP.is XML parsing necessary.actually i am very new to this field. so a bit confused. we have some time left for completing our application.so in urgent need of help. thank you in advance.

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  • iPhone. How to get the rect of parent view?

    - by flexbyte
    Hi, My application creates two views: topView (CGRect = 0,0, 320,60) bottomView (CGRect = 0,60, 320,480) Bottom view creates UITabBarController with UIViewControllers: ListViewController etc... ListViewController has own views that are created in viewDidLoad method: background = [[UIImageView alloc] initWithFrame: rect ]; So my question is how to get the bottomView rect inside ListViewController? I want to layout all controller views without intersection with topView. Thank you.

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  • Is it possible to make the iPhone keyboard invisible / remove it without resigning first responder?

    - by Alex Gosselin
    I am looking for a way to show my own input view (a UITableView) to enter certain keywords in a UITextView faster than typing them, and also be able to type into this text view the normal way. My solution has a button that causes the keyboard to disappear, revealing the table view underneath it. Problem is I can't figure out how to make the keyboard go away without resigning first responder, and losing the cursor. Has anyone accomplished this before? Thanks for any help.

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  • Programmatically find device support GPS or not?

    - by RockOn
    Hi! I am trying to find a code which will help to me to find out the device which I used it has a GPS feature or not? I dont want to know its GPS is enable or disable. I just want to that the device has GPS hardware or not throug program. Anyone have any idea pls help.. Thanks and regards. Mintu

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  • When empty field comes, removed the row in the Grouped Table view in iPhone?

    - by Pugal Devan
    Hi friends, I have displayed the datas in grouped table view. The data's are displayed in the table view from XML parsing. I have 2 section of the table view, the section one has three rows and section two has two rows. section 1 -> 3 Rows section 2 - > 2 Rows. Now i want to check, if anyone of the string is empty then i should remove the empty cells, so i have faced some problems, if i have removed any empty cell, then it will changed the index number. So how can i check, anyone of the field is empty?, Because some times more number of empty field will come, so that the index position will be change. So please send me any sample code or link for that? How can i achieve this? Sample code, - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section { if (section == 0) { if([userEmail isEqualToString:@" "] || [phoneNumber isEqualToString:@" "] || [firstName isEqualToString:@" "]) { return 2; } else { return 3; } } if (section == 1) { if(![gradYear isEqualToString:@" "] || ![graduate isEqualToString:@" "]) { return 1; } else { return 2; } return 0; } Please Help me out!!! Thanks.

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  • How do I display and calculate numbers from a database on iPhone?

    - by JoshD
    I am new to designing apps and have a basic understand of Ob-C and how everything works. What I would like to do is have two tabs, one is a home screen that displays numbers and percentages that are entered on the second tab. The user will be able to store that information and refer back to it and update it. What is the best way to complete that math from the database to the "home screen"? Any tutorials, advice is great! Thanks.

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  • (iphone) am I creating a leak when creating a new image from an image?

    - by Eugene
    Hi, I have following code as UIImage+Scale.h category. -(UIImage*)scaleToSize:(CGSize)size { UIGraphicsBeginImageContext(size); [self drawInRect:CGRectMake(0, 0, size.width, size.height)]; // is this scaledImage auto-released? UIImage* scaledImage = UIGraphicsGetImageFromCurrentImageContext(); UIGraphicsEndImageContext(); return scaledImage; } I use image obtained as above and use it as following. UIImage* image = [[UIImage alloc] initWithData: myData]; image = [image scaleToSize: size]; <- wouldn't this code create a leak since image(before scaling) is lost somewhere? i guess above codes work fine if image was first created with auto-release. But if image was created using 'alloc', it would create a leak in my short knowledge. How should I change scaleToSize: to guard against it? Thank you

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  • Where i get the better idea to which type of application base should be in iphone?

    - by Rajendra Bhole
    Hi, I want to develop an application in which i doesn't any idea about how to create my app with which controller class i should i have gave? My application first screen contain TabBarController and i have also inserting UINavigationController. On above scenario i little bit confused which type of controller(confusion in TabBarController, NavigationBarController or simple ViewController ya windows based appliaction) should i take.

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  • (iphone) maintaining CGContextRef or CGLayerRef is a bad idea?

    - by Eugene
    Hi, I need to work with many images, and I can't hold them as UIImage in memory because they are too big. I also need to change colors of image and merge them on the fly. Creating UIImage from underlying NSData, change color, and combine them when you can't have many images on memory is fairly slow. (as far as I can get) I thought maybe I can store underlying CGLayerRef(for image that will be combined) and CGContextRef(the resulting combined image). I am new to drawing world, and not sure if CGLayerRef or CGContextRef is smaller in memory than UIImage. I recently heard that w*h image takes up w*h*4 bytes in memory. Does CGLayerRef or CGContextRef also take up that much memory? Thank you

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  • Play a wav file retrieved from a database on the iPhone?

    - by user312917
    I have alot of wav files stored in sqlite3, but when I retrieve one of them, I can't play it. The retrieve code is NSData *soundData = (NSDATA *)sqlite3_column_blob(statement, 0); mPlayer = [[AVAudioPlayer alloc] initWithData:soundData error:&error]; The data is stored as binary and it's there when I search for it using sqlite3.

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  • Control ( UIButton, UILable) Hides when the Video plays Again on iPhone!

    - by Taimur Hamza
    Hi, I have displayed UIButton on top of Playing Movie using this code. NSArray *windows = [[UIApplication sharedApplication] windows]; if ([windows count] 1) { // Locate the movie player window UIWindow *moviePlayerWindow = [[UIApplication sharedApplication] keyWindow]; // Add our overlay view to the movie player's subviews so it is // displayed above it. [moviePlayerWindow addSubview:self.myABC]; } There are 2 buttons on top of my movie layer. They play different videos.Now the strange part is the video plays fine with buttons showing on top of it. When i press the button to play the other movie plays but the buttons doesnt show. Seems the view reloads and flushes all the Subviews. But i have checked it in the debug mode and it enters into the 'if' condition and this line runs [moviePlayerWindow addSubview:self.myABC]; But the buttons are not dislpayed. Any ideas wats going wrong ? Thanks, Taimur

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  • (iphone) can i give different intervals between images when animating?

    - by Eugene
    Hi, I'm animating several image as follows. UIImageView* animationView = [[UIImageView alloc] initWithFrame: self.animationViewContainer.bounds]; animationView.animationImages = animationArray; animationView.animationDuration = 0.5; animationView.animationRepeatCount = 5; [animationView startAnimating]; What I'd like to do is, controlling duration between animationImages. For instance, show image1 for 0.3 sec image2 for 0.5 sec.. There must be some way to do this, but hard to find an answer. I've asked the same question here before, but wording of the question wasn't so clear. Thank you

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  • How to save an animated image to iPhone's photos album?

    - by OpenThread
    I created an animated image, and it animates properly in an UIImageView: - (void)viewDidLoad { [super viewDidLoad]; UIImage *image1 = [UIImage imageNamed:@"apress_logo"]; UIImage *image2 = [UIImage imageNamed:@"Icon"]; UIImage *animationImage = [UIImage animatedImageWithImages:[NSArray arrayWithObjects:image1, image2, nil] duration:0.5]; UIImageView *imageView = [[UIImageView alloc] initWithFrame:CGRectMake(100, 100, 100, 100)]; imageView.image = animationImage; [self.view addSubview:imageView]; } But if saved to photos album, it couldn't animate agian: UIImageWriteToSavedPhotosAlbum(animationImage, self, @selector(imageSavedToPhotosAlbum:didFinishSavingWithError:contextInfo:), nil); So is there any solution to save an animated image to photos album? Special thanks!

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