【代码笔记】翻书效果的实现

代码：

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. //初始化背景图
 [self initBackgroundView]; } #pragma -mark -functions
-(void)initBackgroundView { self.title=@"翻书效果的实现"; self.view.backgroundColor=[UIColor redColor]; //upButton
    UIButton *upButton = [UIButton buttonWithType:UIButtonTypeCustom]; upButton.frame = CGRectMake(20, 420, 50, 26); upButton.backgroundColor=[UIColor blueColor]; [upButton setTitle:@"up" forState:UIControlStateNormal]; [upButton addTarget:self action:@selector(doClickUpButton) forControlEvents:UIControlEventTouchUpInside]; [self.view addSubview:upButton]; //downButton
    UIButton *downButton = [UIButton buttonWithType:UIButtonTypeCustom]; downButton.frame = CGRectMake(250, 420, 50, 26); downButton.backgroundColor=[UIColor blueColor]; [downButton setTitle:@"down" forState:UIControlStateNormal]; [downButton addTarget:self action:@selector(doClickDownButton) forControlEvents:UIControlEventTouchUpInside]; [self.view addSubview:downButton]; } #pragma -mark -doClickAction
-(void)doClickUpButton { [UIView beginAnimations:nil context:nil]; [UIView setAnimationDuration:0.7]; [UIView setAnimationTransition:UIViewAnimationTransitionCurlDown forView:self.view cache:YES]; [UIView commitAnimations]; } -(void)doClickDownButton { [UIView beginAnimations:nil context:nil]; [UIView setAnimationDuration:0.7]; [UIView setAnimationTransition:UIViewAnimationTransitionCurlUp forView:self.view cache:YES]; [UIView commitAnimations]; } - (void)didReceiveMemoryWarning { [super didReceiveMemoryWarning]; // Dispose of any resources that can be recreated.
} @end