Check if Preference is initialized before interacting

Test: manual
Test: adb shell am start -a
com.android.settings.security.SECURITY_ADVANCED_SETTINGS

Bug: 213182385
Change-Id: I95f628c4c4514511f1d830e0e6032e025eebc86b

parent 1cbb603d

src/com/android/settings/security/VisiblePatternProfilePreferenceController.java

+3 −1

Original line number	Diff line number	Diff line
		@@ -126,6 +126,8 @@ public class VisiblePatternProfilePreferenceController extends TogglePreferenceC

		@Override
		public void onResume() {
		if (mPreference != null) {
		mPreference.setVisible(isAvailable());
		}
		}
		}