material-sheet-fab/src/main/java/com/gordonwong/materialsheetfab/MaterialSheetFab.java
public void hideSheetThenFab() {
		AnimationListener listener = new AnimationListener() {
			@Override
			public void onEnd() {
				fab.hide();
			}
		};
		// Hide sheet then hide FAB
		if (isSheetVisible()) {
			hideSheet(listener);
		}
		// Hide FAB
		else {
			listener.onEnd();
		}
	}
public void hideSheetThenFab() {
		AnimationListener listener = new AnimationListener() {
			@Override
			public void onEnd() {
				fab.hide();
			}
		};
		// Hide sheet then hide FAB
		if (isSheetVisible()) {
			hideSheet(listener);
		}
		// Hide FAB
		else {
			listener.onEnd();
		}
	}
Hides the sheet (if visible) and then hides the FAB.