Add null check on NPVC

QS may be null at some points (when the fragment is being recreated).
Use a null check to prevent NPE.

Test: no test
Fixes: 189701093
Change-Id: I393b63aedc2fd58c079523a05778411c178caa22

parent 1e372e67

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

+3 −1

Original line number	Diff line number	Diff line
		@@ -2519,7 +2519,9 @@ public class NotificationPanelViewController extends PanelViewController {
		break;
		case FLING_HIDE:
		default:
		if (mQs != null) {
		mQs.closeDetail();
		}
		target = 0;
		}
		if (target == mQsExpansionHeight) {