A collection of the code snippets I use in Dash

Code Snippets for Dash

// ====================================================
// SINGLETON
// ====================================================

+ (__class__ *)__accessor__ {
  static dispatch_once_t pred;
	static __class__ *__singleton__ = nil;
	dispatch_once(&pred, ^{
		__singleton__ = [[__class__ alloc] init];
	});
	return __singleton__;
}


// ====================================================
// NOTIFICATIONS
// ====================================================

// Receive a notification
[[NSNotificationCenter defaultCenter] addObserver:self
	selector:@selector(receivedNSNotification:)
	name:@"__notificationname__"
	object:nil];

- (void)receivedNSNotification:(NSNotification *) notification {
	if ([[notification name] isEqualToString:@"__notificationname__"]) {
		[[NSNotificationCenter defaultCenter] removeObserver:self name:@"__notificationname__" object:nil];
		NSLog (@"Successfully received notification: __notificationname__");
	}
}

// Broadcast a notification
[[NSNotificationCenter defaultCenter] postNotificationName:@"__notificationname__" object:self];


// ====================================================
// MAIN QUEUE
// ====================================================

dispatch_async(dispatch_get_main_queue(), ^{
});


// ====================================================
// DELEGATE
// ====================================================

// Interface
@class __class__;

@protocol __delegatename__ <NSObject>
@optional
- (void)__optionalmethod__:(BOOL)success;
@required
- (void)__requiredmethod__:(BOOL)success;
@end

@interface __class__ : __superclass__ {
	id <__delegatename__> delegate;
}
@property (nonatomic,retain) id <__delegatename__> delegate;

// Implementation
@synthesize delegate;

if ([delegate respondsToSelector:@selector(__requiredmethod__:)]){
	[delegate __requiredmethod__:YES];
}


// ====================================================
// DELAY
// ====================================================

[self performSelector:@selector(__methodtocall__) withObject:self afterDelay:__delayint__];


// ====================================================
// CONSTANTS
// ====================================================

// Interface
// e.g. kTVManagerNotifyTVDidConnect
extern NSString *const __constantname__;

// Implementation
NSString *const __constantname__ = @"__constanttext__";

// ====================================================
// KEYBOARD ACCESSORY VIEW
// ====================================================

// Interface

<UITextViewDelegate>

@property (strong, nonatomic) UIToolbar *fieldAccessoryView;

// Implementation

// viewDidLoad or somewhere like that
[self createAccessoryView];
[self.__textview__ setInputAccessoryView:self.fieldAccessoryView];

// Down the bottom, probably

#pragma mark - Keyboard methods

- (void)createAccessoryView {
	CGRect frame = CGRectMake(0.0, self.view.bounds.size.height, self.view.bounds.size.width, 44.0);
	self.fieldAccessoryView = [[UIToolbar alloc] initWithFrame:frame];
	self.fieldAccessoryView.tag = 200;
	//
	self.fieldAccessoryView.barStyle = UIBarStyleDefault;
	//
	UIBarButtonItem *spaceButton = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFlexibleSpace
																				 target:nil
																				 action:nil];
	UIBarButtonItem *doneButton = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemDone
																				target:self
																				action:@selector(doneButtonTapped)];
	//
	[self.fieldAccessoryView setItems:[NSArray arrayWithObjects:spaceButton, doneButton, nil] animated:NO];
}

-(void) doneButtonTapped {
	[self.__textview__ resignFirstResponder];
}

- (BOOL)textFieldShouldReturn:(UITextField *)textField {
	[textField resignFirstResponder];
	return YES;
}

- (void)textViewDidEndEditing:(UITextView *)textView {
	[textView resignFirstResponder];
}

- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event {
	[self.view endEditing:YES];
	[super touchesBegan:touches withEvent:event];
}