jagbolanos

/* 
 UNIQUE IDENTIFIER
 */
+ (NSString*) deviceIdentifier {
    
    NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
    NSString *deviceId = [defaults objectForKey:DEVICE_ID_KEY];
    if (!deviceId) {
        //Create unique ID
        CFUUIDRef newUniqueId = CFUUIDCreate(kCFAllocatorDefault);

jagbolanos

+ (float_t) batteryLevel {
    UIDevice *myDevice = [UIDevice currentDevice];
    [myDevice setBatteryMonitoringEnabled:YES];
    return [myDevice batteryLevel];
}

jagbolanos

UIBackgroundTaskIdentifier bgTask;
    bgTask = [app beginBackgroundTaskWithExpirationHandler:^{ 
        [app endBackgroundTask:bgTask]; 
    }];
    

    self.updateLocationTimer = [NSTimer scheduledTimerWithTimeInterval:UPDATE_INTERVAL target:self selector:@selector(shouldStartLocationUpdate) userInfo:nil repeats:YES];

jagbolanos

#include <iostream>

class Objeto {
	public:
		int x;
};


void objeto_por_valor_modificar_miembro(Objeto o) {
	o.x = 20;

jagbolanos

#include <iostream>

class MyObject {
	public:
		int x;
};


void object_by_value_modify_member(MyObject o) {
	o.x = 20;

jagbolanos

@implementation UINavigationBar (CustomImage)
- (void)drawRect:(CGRect)rect {
    UIImage *image = [UIImage imageNamed: NAVIGATION_BAR_BACKGROUND];
    [image drawInRect:CGRectMake(0, 0, self.frame.size.width, self.frame.size.height)];
}
@end

@implementation AppDelegate

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions

jagbolanos

- (void) viewDidLoad {
    //...
    comments.text = @"Comments";
    comments.textColor = [UIColor lightGrayColor];
    isEmpty = YES;
    //...
}

- (BOOL)textViewShouldBeginEditing:(UITextView*)textView {
    if (isEmpty) {

jagbolanos

progressImage.image = [[UIImage imageNamed:@"black_progress_bar"] resizableImageWithCapInsets:UIEdgeInsetsMake(0., leftCap, 0., leftCap)];

jagbolanos

+ (NSDate*) parseISO8601DateString:(NSString*)dateString {
    ISO8601DateFormatter *formatter = [[ISO8601DateFormatter alloc] init];
    formatter.parsesStrictly = YES;
    NSDate *date = [formatter dateFromString:dateString];
    [formatter release];
    return [[date retain] autorelease];
}

jagbolanos

CGFloat systemVersion = [[[ UIDevice currentDevice ] systemVersion ] floatValue ];
if (systemVersion < 5.0) {

} else {

}