將UIView移動到另一個UIView

Question

我有一個UIViewController ，它包含2個UIScrollViews ， scrollView1 ， scrollView2 。

scrollView1包含許多UIViews ，拍打它的一個時UIViews我希望它移動到scrollView2

當點擊屬於scrollView1的UIView ，將scrollView1 UIViewController內部的方法，並將view作為參數傳遞。

Answer 1

在那種方法中你應該寫如下：

[view removeFromSuperview];
[scrollView2 addSubview:view];

編輯 ：

對於動畫移動，您應該嘗試以下方法：

CGPoint originalCenter = [self.view convertPoint:view.center fromView:scrollView1];
[view removeFromSuperView];
[self.view addSubview:view];
view.center = originalCenter;

CGPoint destinationPointInSecondScrollView = ; // Set it's value
CGPoint finalCenter = [self.view convertPoint:destinationPointInSecondScrollView fromView:scrollView2];
[UIView animateWithDuration:0.3
                      delay:0
                    options:UIViewAnimationOptionCurveEaseInOut
                 animations:^{
                     view.center = finalCenter;
                 } completion:^(BOOL finished) {
                         [view removeFromSuperView];
                         [scrollView2 addSubview:view];
                         view.center = destinationPointInSecondScrollView;
                     }];

Answer 2

假設您將這兩個scrollView聲明為屬性：

- (void)viewDidLoad
{
    [super viewDidLoad];

    UITapGestureRecognizer *gesture = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(viewTapped:)]
    for (UIView *view in self.scrollView1.subviews) {
        [view addGestureRecognizer:gesture];
    }
}

- (void)viewTapped:(UITapGestureRecognizer *)gesture
{
    UIView *view = gesture.view;
    [self moveToScrollView2:view];
}

- (void)moveToScrollView2:(UIView *)view
{
    [view removeFromSuperview];
    [self.scrollView2 addSubview:view];
}