The specified child already has a parent. You must call removeView() on the child's parent first.
时间: 2024-05-05 16:16:31 浏览: 13
This error occurs when you try to add a view to a parent that already has a parent. To fix this error, you need to remove the view from its current parent before adding it to the new parent.
You can do this by calling the `removeView()` method on the child's current parent. For example:
```
ViewGroup currentParent = (ViewGroup) childView.getParent();
if (currentParent != null) {
currentParent.removeView(childView);
}
newParent.addView(childView);
```
This code checks if the child view has a parent, and if it does, removes it from its current parent. Then it adds the child view to the new parent.
By doing this, you ensure that the child view is only attached to one parent at a time, preventing the "specified child already has a parent" error from occurring.