storm-sample/app/src/main/java/com/turbomanage/storm/sample/activity/ContactActivity.java
public void setEmptyText(CharSequence emptyText) {
		if (mListView != null){
			View emptyView = mListView.getEmptyView();

			if (emptyText instanceof TextView) {
				((TextView) emptyView).setText(emptyText);
			}
		}
    }
public void setEmptyText(CharSequence emptyText) {
		if (mListView != null){
			View emptyView = mListView.getEmptyView();

			if (emptyText instanceof TextView) {
				((TextView) emptyView).setText(emptyText);
			}
		}
    }
The default content for this Activity has a TextView that is shown when
the list is empty. If you would like to change the text, call this method
to supply the text it should use.