romyilano

- (void)someSetupMethod {
  [[NSNotificationCenter defaultCenter] addObserver:self
                                           selector:@selector(keyboardWillShow:)
                                               name:UIKeyboardWillShowNotification object:nil];
}

- (void)someTeardownMethod {
  [[NSNotificationCenter defaultCenter] removeObserver:self name:UIKeyboardWillShowNotification object:nil];
}

romyilano

// This is assumed to be inside a UINavigationController
-(void)awakeFromNib
{
    // How to turn a NavigationItem's rightBarButtonItem into an Info Button
    // First, in your storyboard or xib add a Bar Button Item to the right slot in the navigation bar.
    // Then, do this:
    UIButton *infoLightButton = [UIButton buttonWithType:UIButtonTypeInfoLight];
    infoLightButton.frame = CGRectMake(0.0, 0.0, 25.0, 25.0);
    infoLightButton.backgroundColor = [UIColor clearColor];
    [infoLightButton addTarget:self action:@selector(showInfo:) forControlEvents:UIControlEventTouchUpInside];

romyilano

// 1 - nice example from the iPhone for dummies book. Thanks Neal Goldstein! this should be boilerplate reachability
// put in the ApplicationDidFinishLaunchingWithOptions:launchOptions:
// import reachability + make sure that ARC is turned of through -fno-objc-arc
// also import the System configuration framework
// and inside the Reachability class >
// #import <netinet/in.h>

    NetworkStatus networkStatus = [[Reachability reachabilityForInternetConnection] currentReachabilityStatus];
    
    if(networkStatus == NotReachable) {

romyilano

  CGPoint center = CGPointMake(_car.center.x, self.view.frame.origin.y + _car.frame.size.height/2);
    
    [UIView animateWithDuration:3 animations:^{
        _car.center =center;
    }
                     completion:^(BOOL finished) {
                         [self rotate];
                     }
     ];

romyilano

-(void)viewDidLoad
{

  // gesture recognize
   UISwipeGestureRecognizer *swipeGesture = [[UISwipeGestureRecognizer alloc] initWithTarget:self                                                                   action:@selector(handleSwipeGesture:)];
    
    swipeGesture.direction = UISwipeGestureRecognizerDirectionLeft;
    [self.view addGestureRecognizer:swipeGesture];
}

romyilano

// simple demo of a block

// create a new NSString variable demo storing the value hello
NSString *demo = @"Hello";

// define a block with function name helloBlock
void(^helloBlock)(NSString*) = ^(NSString *param) {
         NSLog(@"%@,%@", demo, param);
};

romyilano

// http://stackoverflow.com/questions/9450391/show-screen-on-first-launch-only-in-ios

 if (![@"1" isEqualToString:[[NSUserDefaults standardUserDefaults]
                                objectForKey:@"Avalue"]]) {
        [[NSUserDefaults standardUserDefaults] setValue:@"1" forKey:@"Avalue"];
        [[NSUserDefaults standardUserDefaults] synchronize];

       //Action here

romyilano

// source: http://stackoverflow.com/questions/12395200/how-to-develop-or-migrate-apps-for-iphone-5-screen-resolution/12397309#12397309


CGRect screenBounds = [[UIScreen mainScreen] bounds];
if (screenBounds.size.height == 568) {
    // code for 4-inch screen
} else {
    // code for 3.5-inch screen
}

romyilano

    -(IBAction)homeBtn:(id)sender
    {
        NSLog(@"Action Button Pressed");
        [self.view removeFromSuperview];
        UIStoryboard *settingsStoryboard = [UIStoryboard storyboardWithName:@"BentoRock" bundle:nil];
        UIViewController *initialSettingsVC = [settingsStoryboard instantiateInitialViewController];
        // i'm going to load this view controller modally
        initialSettingsVC.modalTransitionStyle=UIModalTransitionStyleFlipHorizontal;
        [self presentViewController:initialSettingsVC
                           animated:YES

romyilano

NSMutableArray* reversedMessages = [NSMutableArray arrayWithCapacity:[messages count]];
NSEnumerator*   reverseEnumerator = [messages reverseObjectEnumerator];
for (id object in reverseEnumerator)
{
    [reversedMessages addObject:Object];
}

// http://stackoverflow.com/questions/7457944/reverse-a-nsarray-worry