iPhone 淡入淡出动画
//
// TestBedViewControl_002.m
// UIViewAnimationsTest
//
// Created by mir on 11-4-1.
// Copyright 2011 __MyCompanyName__. All rights reserved.
//
#import "TestBedViewControler_002.h"
@implementation TestBedViewControler_002
/*
// 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) animationFinished:(id) sender{
self.navigationItem.rightBarButtonItem=BARBUTTON(@"Swap",@selector(swap:));
}
-(void) swap:(id) sender{
self.navigationItem.rightBarButtonItem=nil;
UIView *frontObject=[[self.view subviews] objectAtIndex:1];
UIView *backObject=[[self.view subviews] objectAtIndex:0];
CGContextRef context=UIGraphicsGetCurrentContext();
[UIView beginAnimations:nil context:context];
[UIView setAnimationCurve:UIViewAnimationCurveEaseInOut];
[UIView setAnimationDuration:1.0f];
frontObject.alpha=0.0f;
backObject.alpha=1.0f;
frontObject.transform=CGAffineTransformMakeScale(0.25f, 0.25f);
backObject.transform=CGAffineTransformIdentity;
[self.view exchangeSubviewAtIndex:0 withSubviewAtIndex:1];
[UIView setAnimationDelegate:self];
[UIView setAnimationDidStopSelector:@selector(animationFinished:)];
[UIView commitAnimations];
}
// Implement viewDidLoad to do additional setup after loading the view, typically from a nib.
- (void)viewDidLoad {
[super viewDidLoad];
self.navigationItem.rightBarButtonItem=BARBUTTON(@"Swap",@selector(swap:));
UIImageView *view1=[[UIImageView alloc] initWithImage:[UIImage imageNamed:@"1.png"]];
view1.tag=998;
UIImageView *view2=[[UIImageView alloc] initWithImage:[UIImage imageNamed:@"2.png"]];
view2.tag=999;
[self.view addSubview:view1];
[self.view addSubview:view2];
[view1 release];
[view2 release];
UIView *backObject=[self.view viewWithTag:998];
backObject.transform=CGAffineTransformMakeScale(0.25f, 0.25f);
backObject.alpha=0.0f;
}
/*
// 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