Tutorial SCreen

TutorialScreenController.h

#import <UIKit/UIKit.h>
#import "TutorialScreenController.h"

@interface TutorialPopoverScreen : UIViewController

@property (assign, nonatomic) NSInteger index;
@property (strong, nonatomic) IBOutlet UILabel *screenNumber;


@property UIButton *button;
@property UIImageView *image;

@end

  
  
#import "TutorialPopoverScreen.h"
#import "AppDelegate.h"


@implementation TutorialPopoverScreen{
    AppDelegate *sharedDelegate;
}

- (void)viewDidLoad {
    [super viewDidLoad];
    
}

-(instancetype)init{
    self = [super init];
    if(self){
        self.view.backgroundColor = [UIColor whiteColor];
        sharedDelegate = (AppDelegate*)[[UIApplication sharedApplication] delegate];
        [self setup];

    }
    return self;
}


-(void)setup{
 
    
    _image = [CustomViews customImageViewNoBorder:@"placeHolder"];
    
    [self.view addSubview:_image];
    
    //    Image
    [self.view addConstraint:[NSLayoutConstraint constraintWithItem:_image attribute:NSLayoutAttributeTop relatedBy:NSLayoutRelationEqual toItem:self.topLayoutGuide attribute:NSLayoutAttributeBottom multiplier:1.0 constant:0.0f]];
    [self.view addConstraint:[NSLayoutConstraint constraintWithItem:_image attribute:NSLayoutAttributeWidth relatedBy:NSLayoutRelationEqual toItem:self.view attribute:NSLayoutAttributeWidth multiplier:1.0 constant:0.0f]];
    [self.view addConstraint:[NSLayoutConstraint constraintWithItem:_image attribute:NSLayoutAttributeCenterX relatedBy:NSLayoutRelationEqual toItem:self.view attribute:NSLayoutAttributeCenterX multiplier:1.0 constant:0.0]];
    [self.view addConstraint:[NSLayoutConstraint constraintWithItem:_image attribute:NSLayoutAttributeBottom relatedBy:NSLayoutRelationEqual toItem:self.view attribute:NSLayoutAttributeBottom multiplier:1.0 constant:0.0]];
        
    
    
    _button = [CustomViews buttonWithString:@"Get Started" options:@{@"font-name" : @"Helvetica-Bold", @"font-size" : @14, @"background-color" : [CustomScripts colorWithHexString:@"#a4ce39"], @"font-color" : [UIColor whiteColor]}];
    _button.translatesAutoresizingMaskIntoConstraints = YES;
    _button.titleLabel.numberOfLines = 2;
    [CustomScripts addShadowToView:_button options:@{}];
    [self.view addSubview:_button];
}


@end

TutorialScreenController.m

#import "TutorialScreenController.h"
#import "TutorialPopoverScreen.h"
#import "AppDelegate.h"

#define NUMBEROFSLIDES 6

@implementation TutorialScreenController{
    AppDelegate *sharedDelegate;
    NSUInteger currentIndex;
}
-(instancetype)init{
    self = [super init];
    if(self){
        sharedDelegate = (AppDelegate*)[[UIApplication sharedApplication] delegate];
    }
    return self;
}

- (void)viewDidLoad {
    [super viewDidLoad];
    
    self.view.backgroundColor = [UIColor whiteColor];
    
    self.pageController = [[UIPageViewController alloc] initWithTransitionStyle:UIPageViewControllerTransitionStyleScroll navigationOrientation:UIPageViewControllerNavigationOrientationHorizontal options:nil];
    self.pageController.dataSource = self;
    [[self.pageController view] setFrame:CGRectMake(0, 0,self.view.frame.size.width, self.view.frame.size.height)];
    
    TutorialPopoverScreen *initialViewController = [self viewControllerAtIndex:0];
    currentIndex = 0;
    
    NSArray *viewControllers = [NSArray arrayWithObject:initialViewController];
    
    [self.pageController setViewControllers:viewControllers direction:UIPageViewControllerNavigationDirectionForward animated:NO completion:nil];
    [self addChildViewController:self.pageController];
    
    [[self view] addSubview:[self.pageController view]];
    [self.pageController didMoveToParentViewController:self];
    
    
    [self setup];
    
    
    
    
}

-(void)cancelPopover:(UIButton*)sender{
    [self dismissViewControllerAnimated:YES completion:nil];
    
    NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
    [defaults setObject:@true forKey:@NSUSERFIRSTLOGIN];
    [defaults synchronize];
}
-(UIStatusBarStyle)preferredStatusBarStyle{
    return UIStatusBarStyleDefault;
}
-(void)setup{
}

- (void)changePage:(UIButton*)sender {
    
    if(currentIndex == 5){
        [self cancelPopover:sender];
        return;
    }
    
    currentIndex++;
    
    TutorialPopoverScreen *viewController = [self viewControllerAtIndex:currentIndex];
    
    if (viewController == nil) {
        
        return;
    }
    
    [_pageController setViewControllers:@[viewController]
                                  direction:UIPageViewControllerNavigationDirectionForward
                                   animated:YES
                                 completion:nil];
}

- (void)didReceiveMemoryWarning {
    
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
    
}

- (TutorialPopoverScreen *)viewControllerAtIndex:(NSUInteger)index {
    
    currentIndex = index;
    
    TutorialPopoverScreen *childViewController = [[TutorialPopoverScreen alloc]init];
    if(index == 0){
        childViewController.button.tag = 0;
        
        childViewController.button.frame = CGRectMake(self.view.frame.size.width/2-75*ESTIMATEDPHONEWIDTH, self.view.frame.size.height/2+(80-37.5)*ESTIMATEDPHONEHEIGHT,150*ESTIMATEDPHONEWIDTH, 75*ESTIMATEDPHONEHEIGHT);
        childViewController.button.titleLabel.text = @"Get Started";
        childViewController.image.image = [UIImage imageNamed:@"Mockup_New_To_App_Flow01"];
    }else if(index == 1){
        childViewController.button.tag = 1;
        childViewController.button.frame = CGRectMake(self.view.frame.size.width/2-75*ESTIMATEDPHONEWIDTH, self.view.frame.size.height/2+(150-37.5)*ESTIMATEDPHONEHEIGHT,150 *ESTIMATEDPHONEWIDTH, 75*ESTIMATEDPHONEHEIGHT);
        [childViewController.button setTitle:@"Next" forState:UIControlStateNormal];
        childViewController.image.image = [UIImage imageNamed:@"Mockup_New_To_App_Flow02"];
    }else if(index == 2){
        childViewController.button.tag = 2;
        childViewController.button.frame = CGRectMake(self.view.frame.size.width/2-75*ESTIMATEDPHONEWIDTH, self.view.frame.size.height/2+(240-32.5)*ESTIMATEDPHONEHEIGHT,150*ESTIMATEDPHONEWIDTH, 70*ESTIMATEDPHONEHEIGHT);
        [childViewController.button setTitle:@"Next" forState:UIControlStateNormal];
        childViewController.image.image = [UIImage imageNamed:@"Mockup_New_To_App_Flow03"];
    }else if(index == 3){
        childViewController.button.tag = 3;
        childViewController.button.frame = CGRectMake(self.view.frame.size.width/2-75*ESTIMATEDPHONEWIDTH, self.view.frame.size.height/2+(252-32.5)*ESTIMATEDPHONEHEIGHT,150*ESTIMATEDPHONEWIDTH, 65*ESTIMATEDPHONEHEIGHT);
        [childViewController.button setTitle:@"Next" forState:UIControlStateNormal];
        childViewController.image.image = [UIImage imageNamed:@"Mockup_New_To_App_Flow04"];
    }else if(index == 4){
        childViewController.button.tag = 4;
        childViewController.button.frame = CGRectMake(self.view.frame.size.width/2-70*ESTIMATEDPHONEWIDTH, self.view.frame.size.height/2-(135)*ESTIMATEDPHONEHEIGHT,140*ESTIMATEDPHONEWIDTH, 65*ESTIMATEDPHONEHEIGHT);
        [childViewController.button setTitle:@"Next" forState:UIControlStateNormal];
        childViewController.image.image = [UIImage imageNamed:@"Mockup_New_To_App_Flow05"];
    }else if(index == 5){
        childViewController.button.frame = CGRectMake(self.view.frame.size.width/2-65*ESTIMATEDPHONEWIDTH, self.view.frame.size.height/2+(110-32.5)*ESTIMATEDPHONEHEIGHT, 130*ESTIMATEDPHONEWIDTH, 65*ESTIMATEDPHONEHEIGHT);
        [childViewController.button setTitle:@"Finish" forState:UIControlStateNormal];
        childViewController.button.tag = 5;
        childViewController.image.image = [UIImage imageNamed:@"Mockup_New_To_App_Flow06"];
    }
    
    childViewController.index = index;
    [childViewController.button addTarget:self action:@selector(changePage:) forControlEvents:UIControlEventTouchUpInside];
    
    return childViewController;
    
}

- (UIViewController *)pageViewController:(UIPageViewController *)pageViewController viewControllerBeforeViewController:(UIViewController *)viewController {
    
    NSUInteger index = [(TutorialPopoverScreen *)viewController index];
    
    if (index == 0) {
        return nil;
    }
    
    // Decrease the index by 1 to return
    index--;
    
    return [self viewControllerAtIndex:index];
    
}


- (UIViewController *)pageViewController:(UIPageViewController *)pageViewController viewControllerAfterViewController:(UIViewController *)viewController {
    
    NSUInteger index = [(TutorialPopoverScreen *)viewController index];
    
    //Increase index by 1 to return, if index is 5 don't increase.
    index++;
    
    if (index == NUMBEROFSLIDES) {
        return nil;
    }
    
    return [self viewControllerAtIndex:index];
    
}

- (NSInteger)presentationCountForPageViewController:(UIPageViewController *)pageViewController {
    // The number of items reflected in the page indicator.
    return NUMBEROFSLIDES;
}

- (NSInteger)presentationIndexForPageViewController:(UIPageViewController *)pageViewController {
    // The selected item reflected in the page indicator.
    return -1;
}

@end