iOS中動畫理解

標籤：

iOS 中5種動畫

1.0 UIView 動畫;

 1     UIImageView *imageView1 = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"page1.png"]]; 2     imageView1.backgroundColor = [UIColor redColor]; 3     imageView1.frame = CGRectMake(0, 0, 100, 200); 4     [self.view addSubview:imageView1]; 5      6     [UIImageView beginAnimations:@"test" context:nil]; 7     [UIImageView setAnimationDuration:1]; 8      9     imageView1.image = [UIImage imageNamed:@"page2"];10     imageView1.backgroundColor = [UIColor yellowColor];11     imageView1.frame = CGRectMake(100, 200, 100, 200);12     imageView1.alpha = 0.5;13     [UIImageView commitAnimations];

注釋:寫 UIView 動畫只要整合與 UIView 的控制項都可以用 UIView 動畫;

2.0 UIView Block 動畫(這種是 UIView 代碼的 block 封裝,用這種方式更加簡便)

 1     UIImageView * imageView2 = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"page2.png"]]; 2     imageView2.frame = CGRectMake(0, 0, 100, 200); 3     [self.view addSubview:imageView2]; 4     [UIImageView animateWithDuration:1.0f delay:1.0f options:UIViewAnimationOptionAllowAnimatedContent animations:^{ 5         imageView2.image = [UIImage imageNamed:@"page1"]; 6         imageView2.frame = CGRectMake(100, 200, 100, 200); 7         imageView2.alpha = 0.1f; 8     } completion:^(BOOL finished) {         //動畫結束的時候在的位置; 9         imageView2.frame = CGRectMake(100, 0, 100, 200);10         imageView2.alpha = 1.0f;11     }];

 

iOS中動畫理解