MobileServices and iOS 2

imagepickercontroller.m

- (void)imagePickerController:(UIImagePickerController *)picker
        didFinishPickingImage:(UIImage *)image
                  editingInfo:(NSDictionary *)editingInfo {
    imageViewNewTodo.image = image;
    [picker dismissModalViewControllerAnimated:YES];
}

tapSaveTodo.m

- (IBAction)tapSaveTodo:(id)sender {
    NSMutableURLRequest *theRequest=[NSMutableURLRequest
                                     requestWithURL:
                                     [NSURL URLWithString:kAddUrl]
                                     cachePolicy:NSURLRequestUseProtocolCachePolicy
                                     timeoutInterval:60.0];
    [theRequest setHTTPMethod:@"POST"];
    [theRequest addValue:@"application/json" forHTTPHeaderField:@"ACCEPT"];
    [theRequest addValue:@"application/json" forHTTPHeaderField:@"Content-Type"];
    [theRequest addValue:kMobileServiceAppId forHTTPHeaderField:@"X-ZUMO-APPLICATION"];
    
    NSData *data = nil;
    NSString *imageData = nil;
    if (imageViewNewTodo.image != nil) {
        UIImage *image = imageViewNewTodo.image;
        data = UIImagePNGRepresentation(image);
        imageData = [data base64EncodedString];
    }

    
    //build an info object and convert to json
    NSDictionary* jsonDictionary = [NSDictionary dictionaryWithObjectsAndKeys:
                                    @"false", @"complete",
                                    txtTodoText.text, @"text",
                                    imageData, @"coltest",
                                    nil];
    //convert JSON object to data
    NSError *error;
    NSData* jsonData = [NSJSONSerialization dataWithJSONObject:jsonDictionary
                           options:NSJSONWritingPrettyPrinted error:&error];
    [theRequest setHTTPBody:jsonData];
    // create the connection with the request and start loading the data
    NSURLConnection *theConnection=[[NSURLConnection alloc] initWithRequest:theRequest delegate:self];
    if (theConnection) {
        // Create the NSMutableData to hold the received data.
        // receivedData is an instance variable declared elsewhere.
        receivedData = [NSMutableData data];
    } else {
        // We should inform the user that the connection failed.
    }
}

tapSelectImage.m

- (IBAction)tapSelectImage:(id)sender {
    UIImagePickerController *picker = [[UIImagePickerController alloc] init];
    picker.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;
    picker.delegate = self;
    [self presentModalViewController:picker animated:YES];
}

TodoDetailsViewController.h

@class TodoDetailsViewController;

@protocol TodoDetailsViewControllerDelegate <NSObject>
- (void)todoDetailsViewController:(TodoDetailsViewController *)controller didFinishWithTodo:(NSString *)todoId andTodoText:(NSString *)todoText;
@end

@interface TodoDetailsViewController : UIViewController<NSURLConnectionDelegate, UIImagePickerControllerDelegate, UINavigationControllerDelegate> {
    @private
    NSNumber* todoId;
    NSMutableData* receivedData;
    NSHTTPURLResponse* httpResponse;
}
@property (weak, nonatomic) IBOutlet UIView *viewCreateTodo;
@property (weak, nonatomic) IBOutlet UIView *viewDetailsTodo;
@property (weak, nonatomic) IBOutlet UITextField *txtTodoText;
@property (weak, nonatomic) IBOutlet UILabel *lblTodoText;
@property (nonatomic, weak) id <TodoDetailsViewControllerDelegate> delegate;
@property (weak, nonatomic) IBOutlet UIImageView *imageViewNewTodo;
@property (weak, nonatomic) IBOutlet UIImageView *imageViewExistingTodo;
@property (nonatomic, weak) NSString *todoText;
@property BOOL addingNewTodo;
- (IBAction)tapSaveTodo:(id)sender;
- (IBAction)tapMarkTodoComplete:(id)sender;
- (IBAction)tapSelectImage:(id)sender;
@end

viewDidLoad.m

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view.
    if (addingNewTodo == NO) {
        //Viewing an existing todo
        viewCreateTodo.hidden = YES;
        lblTodoText.text = todoText;
        AppDelegate *appDelegate = (AppDelegate *)[[UIApplication sharedApplication] delegate];
        for (NSDictionary *item in appDelegate.todos) {
            if ([todoText isEqualToString:[item objectForKey:@"text"]]){
                todoId = (NSNumber*) [item objectForKey:@"id"];
                NSString *stringData = (NSString *)[item objectForKey:@"coltest"];
                if (stringData != (id)[NSNull null]) {
                    NSData *data = [NSData dataFromBase64String:stringData];
                    UIImage *image = [UIImage imageWithData:data];
                    imageViewExistingTodo.image = image;
                }
                break;
            }
        }
    } else {
        //Adding a new todo
        viewDetailsTodo.hidden = YES;
    }
}