Commonly Used Objective C Snippets

Ankahathara

    //This is the way to create an empty project and set the navigation view controller and the root view controller
    UINavigationController *navigationVC = [[UINavigationController alloc] initWithRootViewController:[[HomeViewController alloc]initWithNibName:@"HomeViewController" bundle:nil]];
    navigationVC.navigationBar.hidden = YES;
    self.window.rootViewController = navigationVC;
    
    //How to change the placehoalder text color in objective c
    [self.emailTF setValue:[UIColor whiteColor] forKeyPath:@"_placeholderLabel.textColor"];
        
    //This will create a destination view controller type object and set the current navigation to it    
    ForgotViewController *forgotPasswordVC = [[ForgotViewController alloc] initWithNibName:@"ForgotViewController" bundle:nil];
    [self.navigationController  pushViewController:forgotPasswordVC animated:YES];
    
    //This will goes back to the sender view controller
    [self.navigationController popViewControllerAnimated:YES];
    
    //This will hide status bar in ios5,6 but in iOS 7 you have to set
    //View controller-based status bar appearance = NO
    [[UIApplication sharedApplication] setStatusBarHidden:YES];
    
#pragma mark - Dismiss the keyboard
//Regerence : http://stackoverflow.com/a/18351371/4110214
- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event {
    
    UITouch *touch = [[event allTouches] anyObject];
    
    if (![[touch view] isKindOfClass:[UITextField class]]) {
        [self.view endEditing:YES];
    }
    [super touchesBegan:touches withEvent:event];
}