IWorkbenchPage activePage = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();
		
String viewIdToClose = OneView.ID;
IViewReference viewToClose = activePage.findViewReference(viewIdToClose);
activePage.hideView(viewToClose);
		
try {
	String viewIdToOpen = OtherView.ID;
	activePage.showView(viewIdToOpen);
} catch (PartInitException e) {
	e.printStackTrace();
}