交叉淡化、新视图移动到旧视图上，新视图推出就视图，旧视图移开显示新的

    //

//  TestBedViewControler_004.m

//  UIViewAnimationsTest

//

//  Created by mir on 11-4-1.

//  Copyright 2011 __MyCompanyName__. All rights reserved.

//

 

#import "TestBedViewControler_004.h"

 

 

@implementation TestBedViewControler_004

 

/*

 // The designated initializer.  Override if you create the controller programmatically and want to perform customization that is not appropriate for viewDidLoad.

- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil {

    if ((self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil])) {

        // Custom initialization

    }

    return self;

}

*/

 

/*

// Implement loadView to create a view hierarchy programmatically, without using a nib.

- (void)loadView {

}

*/

 

-(void) animate:(id)sender{

//Set up the animation

CATransition *animation=[CATransition animation];

animation.delegate=self;

animation.duration=1.0f;

animation.timingFunction=UIViewAnimationCurveEaseInOut;

switch ([(UISegmentedControl*)self.navigationItem.titleView selectedSegmentIndex]) {

case 0://交叉淡化过渡

animation.type=kCATransitionFade;

break;

case 1://新视图移动到旧视图上面，好像盖在上面

animation.type=kCATransitionMoveIn;

break;

case 2://新视图将旧视图推出去

animation.type=kCATransitionPush;

break;

case 3://将旧视图移开显示出下面的新视图

animation.type=kCATransitionReveal;

break;

default:

break;

}

if (isLeft) {

animation.subtype=kCATransitionFromRight;

}else {

animation.subtype=kCATransitionFromLeft;

}

//Perform the animation

NSInteger purple=[[self.view subviews] indexOfObject:[self.view viewWithTag:99]];

NSInteger white=[[self.view subviews] indexOfObject:[self.view viewWithTag:100]];

[self.view exchangeSubviewAtIndex:purple withSubviewAtIndex:white];

//[self.view addSubview:[self.view viewWithTag:100]];

[[self.view layer] addAnimation:animation forKey:@"animation"];

//Allow or disallow user interaction (otherwise you can touch "through" the cover view to enable/disable the switch)

if (purple<white) {

[self.view viewWithTag:99].userInteractionEnabled=YES;

}else {

[self.view viewWithTag:99].userInteractionEnabled=NO;

}

isLeft=!isLeft;

 

 

}

 

 

// Implement viewDidLoad to do additional setup after loading the view, typically from a nib.

- (void)viewDidLoad {

    [super viewDidLoad];

self.navigationItem.rightBarButtonItem=BARBUTTON(@"Go",@selector(animate:));

UISegmentedControl *segmentedControl=[[UISegmentedControl alloc] initWithItems:[@"Fade Move Push Reveal" componentsSeparatedByString:@" "]];

segmentedControl.selectedSegmentIndex=0;

segmentedControl.segmentedControlStyle=UISegmentedControlStyleBar;

self.navigationItem.titleView=segmentedControl;

[segmentedControl release];

UIImageView *view1=[[UIImageView alloc] initWithImage:[UIImage imageNamed:@"1.png"]];

view1.tag=99;

UIImageView *view2=[[UIImageView alloc] initWithImage:[UIImage imageNamed:@"2.png"]];

view2.tag=100;

[self.view addSubview:view1];

[self.view addSubview:view2];

[view1 release];

[view2 release];

}

 

 

/*

// Override to allow orientations other than the default portrait orientation.

- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation {

    // Return YES for supported orientations

    return (interfaceOrientation == UIInterfaceOrientationPortrait);

}

*/

 

- (void)didReceiveMemoryWarning {

    // Releases the view if it doesn't have a superview.

    [super didReceiveMemoryWarning];

 

    // Release any cached data, images, etc that aren't in use.

}

 

- (void)viewDidUnload {

    [super viewDidUnload];

    // Release any retained subviews of the main view.

    // e.g. self.myOutlet = nil;

}

 

 

- (void)dealloc {

    [super dealloc];

}

 

 

@end