Thanks for the tips.
I just changed my code to:
while (element.getLastChild() != null && element.getLastChild() instanceof
Element) {
element.removeChild(element.getLastChild());
}
But got the same error.
What do you mean by 1)? I don't see any null fields being used when I
debug in d
hope the following two tips are of help:
1 ) that sounds like a null pointer exception (natively). you are trying to
invoke a native field of a null value
2 ) removing all childrens iterating through them can be very tricky. See a
correct way of doing it manually :
https://code.google.com/p/g
When I override the method SimplePanel.clear() to remove all elements of
the contained element in SimplePanel, and then add a widget
throug setWidget() I receive the error (see the complete error below:
---
this.appendChild is not a function"?
I remove all element after SimplePanel performs
