I know I can just bind any ui component to any events by using @UiHandler
like this:
@UiField
FocusPanel panel;
@UiHandler("panel")
void handleClick(MouseDownEvent event) {
//...
}
So far so good, but how can I "manually" add a mouse handler within the
class constructor:
panel.addMouseDownHandler(new MouseDownHandler() { //NPE
@Override
public void onMouseDown(MouseDownEvent event) {
Window.alert("mouse down");
}
});
If I write this in the constructor of the java class, I'm getting
NullPointerException
at this stage where the handler is added to the panel.
What am I missing here?
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