नीचे दबाए जाने पर बटन (पृष्ठभूमि छवि के साथ) फ़्लिप करने के लिए पूरा कोड नीचे दिया गया है। असल में आपको दो बटन और एक कंटेनर दृश्य की आवश्यकता है।
///// .H file code....
//Container views used for flipping the bars to show whose turn it is
UIButton* btn1;
UIButton* btn2;
UIView *BarContainerView;
///// .M file code....
- (void)viewWillAppear:(BOOL)animated
{
BarContainerView = [[UIView alloc] initWithFrame:CGRectMake(20, 30, 103, 150)];
btn1 = [[UIButton buttonWithType:UIButtonTypeRoundedRect]retain];
[btn1 addTarget:self action:@selector(btn1_click) forControlEvents:UIControlEventTouchUpInside];
[btn1 setBackgroundImage:[UIImage imageNamed:@"image1.png"] forState:UIControlStateNormal];
btn1.frame = CGRectMake(0, 0, 103, 150);
btn2 = [[UIButton buttonWithType:UIButtonTypeRoundedRect]retain];
[btn2 addTarget:self action:@selector(btn2_click) forControlEvents:UIControlEventTouchUpInside];
[btn2 setBackgroundImage:[UIImage imageNamed:@"image2.png"] forState:UIControlStateNormal];
btn2.frame = CGRectMake(0, 0, 103, 150);
[BarContainerView addSubview:btn1];
[self.view addSubview:BarContainerView];
[self.view bringSubviewToFront:BarContainerView];
}
- (void) btn1_click
{
[UIView beginAnimations:nil context:nil];
[UIView setAnimationDuration:0.75];
[UIView setAnimationDelegate:self];
[UIView setAnimationTransition:UIViewAnimationTransitionFlipFromRight forView:BarContainerView cache:YES];
[btn1 removeFromSuperview];
[BarContainerView addSubview:btn2];
[UIView commitAnimations];
}
- (void) btn2_click
{
[UIView beginAnimations:nil context:nil];
[UIView setAnimationDuration:0.75];
[UIView setAnimationDelegate:self];
[UIView setAnimationTransition:UIViewAnimationTransitionFlipFromLeft forView:BarContainerView cache:YES];
[btn2 removeFromSuperview];
[BarContainerView addSubview:btn1];
[UIView commitAnimations];
}
स्रोत
2009-11-05 09:37:46