push自定义动画

//
//  ViewController.m
//  ViewControllerAnimation
//
//  Created by mac on 15/5/26.
//  Copyright (c) 2015年 BSY. All rights reserved.
//

#import "ViewController.h"
#import "TwoViewController.h"
@interface ViewController ()< UINavigationControllerDelegate , UIViewControllerTransitioningDelegate >
@property ( nonatomic ,strong)TwoViewController*two;
@property ( nonatomic ,strong) UIViewController *currentViewController;;
@end

@implementation ViewController

- ( void )viewDidLoad {
    [ super viewDidLoad];

    self .title = @ "第一页" ;
    self .view.backgroundColor = [ UIColor grayColor];
    self .Animator = [[BSYAnimator alloc]init];
    self .TransitionAnimator = [[BSYTransitionAnimator alloc]init];

    UIButton *button  = [ UIButton buttonWithType: UIButtonTypeCustom ];
    [button setFrame:CGRectMake(100, 100, 100, 100)];
    [button setTitle:@ "Push" forState: UIControlStateNormal ];
    [button setTitleColor:[ UIColor blackColor] forState: UIControlStateNormal ];
    [ self .view addSubview:button];
    [button addTarget: self action: @selector (buttonClick) forControlEvents: UIControlEventTouchUpInside ];
    TwoViewController *two = [[TwoViewController alloc]init];
    self .two = two;
    self .navigationController.delegate = self ;
    two.transitioningDelegate = self ;
    two.modalPresentationStyle = UIModalPresentationCustom ;

    [ self addChildViewController:two];
    self .currentViewController = two;
}

-( void )buttonClick
{
    [ self .navigationController pushViewController: self .two animated: YES ];
}

#pragma mark - UINavigationControllerDelegate iOS7新增的2个方法
// 动画特效
- ( id < UIViewControllerAnimatedTransitioning >) navigationController:( UINavigationController *)navigationController animationControllerForOperation:( UINavigationControllerOperation )operation fromViewController:( UIViewController *)fromVC toViewController:( UIViewController *)toVC
{

    if (operation == UINavigationControllerOperationPush ) {
        return self .Animator;
    } else {
        return nil ;
    }
}
#pragma mark - Transitioning Delegate (Modal)
-( id < UIViewControllerAnimatedTransitioning >)animationControllerForPresentedController:( UIViewController *)presented presentingController:( UIViewController *)presenting sourceController:( UIViewController *)source
{
    self .TransitionAnimator.animationType = AnimationTypePresent;
    return self .TransitionAnimator;
}

-( id < UIViewControllerAnimatedTransitioning >)animationControllerForDismissedController:( UIViewController *)dismissed
{
    self .TransitionAnimator.animationType = AnimationTypeDismiss;
    return self .TransitionAnimator;
}

@end