ScrollingSwipeRefreshLayoutBehavior

ScrollingSwipeRefreshLayoutBehavior.java

public class ScrollingSwipeRefreshLayoutBehavior extends AppBarLayout.ScrollingViewBehavior {

    @Override
    public boolean layoutDependsOn(CoordinatorLayout parent, View child, View dependency) {
        return super.layoutDependsOn(parent, child, dependency) || (dependency instanceof AppBarLayout);
    }

    @Override
    public boolean onDependentViewChanged(CoordinatorLayout parent, View child, View dependency) {
        boolean returnValue = super.onDependentViewChanged(parent, child, dependency);
        if (dependency instanceof AppBarLayout) {
            child.setEnabled(dependency.getY()==0);
        }
        return returnValue;
    }
}