【代碼筆記】劇幕拉開形的首頁，筆記幕拉開首頁

【代碼筆記】劇幕拉開形的首頁，筆記幕拉開首頁

一，工程圖。

二，代碼。

RootViewController.h

#import <UIKit/UIKit.h>#import "UIImage+SplitImageIntoTwoParts.h"@interface RootViewController : UIViewController{    UIImageView *left;    UIImageView *right;}@end

 

RootViewController.m

#import "RootViewController.h"@interface RootViewController ()@end@implementation RootViewController- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil{    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];    if (self) {        // Custom initialization    }    return self;}- (void)viewDidLoad{    [super viewDidLoad];    // Do any additional setup after loading the view.            NSArray *array = [UIImage splitImageIntoTwoParts:[UIImage imageNamed:@"1"]];        left = [[UIImageView alloc] initWithImage:[array objectAtIndex:0]];    right = [[UIImageView alloc] initWithImage:[array objectAtIndex:1]];        left.transform = CGAffineTransformIdentity;    right.transform = CGAffineTransformIdentity;        [self.view addSubview:left];    [self.view addSubview:right];        [UIView beginAnimations:@"split" context:nil];    [UIView setAnimationDelegate:self];    [UIView setAnimationDuration:1];    [UIView setAnimationDidStopSelector:@selector(animationDidStop:finished:context:)];        left.transform = CGAffineTransformMakeTranslation(-160 ,0);    right.transform = CGAffineTransformMakeTranslation(160 ,0);        [UIView commitAnimations];}-(void)animationDidStop:(NSString *)animationID finished:(NSNumber *)finished context:(void *)context{    if ([animationID isEqualToString:@"split"] && finished) {        [left removeFromSuperview];        [right removeFromSuperview];    }}