init implementation

SBNotifi

-(id)init{
    self=[super init];
    
    NSArray *subviewArray = [[NSBundle mainBundle] loadNibNamed:@"SBNotificationBarView" owner:self options:nil];
    UIView *mainView = [subviewArray objectAtIndex:0];
    self.view =  mainView;
    
    keyWindow= [[SBCustomWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
    keyWindow.windowLevel = UIWindowLevelAlert;
    keyWindow.rootViewController = self;
    [keyWindow makeKeyAndVisible];
    
    [keyWindow.rootViewController.view setTranslatesAutoresizingMaskIntoConstraints:NO];
    UIView *currentView = keyWindow.rootViewController.view;
    NSDictionary *viewComponents = NSDictionaryOfVariableBindings(currentView);
    
    NSArray *horizontalConstraints = [NSLayoutConstraint constraintsWithVisualFormat:@"|-(0)-[currentView]-(0)-|" options:0 metrics:nil views:viewComponents];
    NSArray *verticalConstraints = [NSLayoutConstraint constraintsWithVisualFormat:@"V:|-(0)-[currentView(88)]-(>=8)-|" options:0 metrics:nil views:viewComponents];
    yAxisConstraint =  [verticalConstraints objectAtIndex:0];
    
    [keyWindow addConstraints:horizontalConstraints];
    [keyWindow addConstraints:verticalConstraints];
    [keyWindow layoutIfNeeded];
    self.isAutomaticDismissAllowed = YES ;
    self.selectedHideAnimationType = Default;
    self.durationOfMessageDisplayBeforeAutomaticDismissal = 3.0;
    self.backgroundColorOfNotificationBar = [UIColor colorWithRed:0 green:122.0/255.0 blue:255.0/255.0 alpha:1.0];
    self.notificationBarDisplayAndHideAnimationDuration = 0.5;
    self.shouldPlaySound = NO;
    self.notificationSound = new_mail;
    self.imageLeadingSpaceConstraint.constant =0;
    self.imageHeightConstraint.constant = 0;
    [self.view layoutIfNeeded];
    return self;
}