Fixed NullPointerException in SystemUI

NullPointerException occurred on some devices during boot if no user
listener is attached to MultiUserSwitch.

Change-Id: Id6aabf81e0e982a4a6d88d78dcae639a7cbedee4

parent f2580c5d

packages/SystemUI/src/com/android/systemui/statusbar/phone/MultiUserSwitch.java

+3 −0

Original line number	Diff line number	Diff line
		@@ -66,6 +66,9 @@ public class MultiUserSwitch extends FrameLayout implements View.OnClickListener
		}

		public boolean hasMultipleUsers() {
		if (mUserListener == null) {
		return false;
		}
		return mUserListener.getCount() != 0;
		}