动画效果 打字延迟

    self.myScrollView.frame = CGRectMake(0, self.stateNavigationHight-216+80, 320, [self getUIScreenHight]-113);

    [UIView beginAnimations:@"roseImageViewAnimation" context:(__bridge void*)self.myScrollView];

    [UIView setAnimationDuration:0.50f];

    [UIView setAnimationDelegate:self];

    self.myScrollView.frame = CGRectMake(0, self.stateNavigationHight, 320, [self getUIScreenHight]-113);

    [UIView commitAnimations];//就这一句代码