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Commit db2cef23 authored Jun 15, 2018 by Beverly

Skip null values in Utils.safeForeach

Test: ZenModeControllerImplTest.java
Bug: 110209145
Change-Id: I4234be630c84444a70d8cb380ca6a692a4ff5cbc

parent 070a6a4d

packages/SystemUI/src/com/android/systemui/statusbar/policy/ZenModeControllerImpl.java

+0 −4

Original line number	Diff line number	Diff line
		@@ -113,10 +113,6 @@ public class ZenModeControllerImpl extends CurrentUserTracker implements ZenMode

		@Override
		public void addCallback(Callback callback) {
		if (callback == null) {
		Slog.e(TAG, "Attempted to add a null callback.");
		return;
		}
		mCallbacks.add(callback);
		}

packages/SystemUI/src/com/android/systemui/util/Utils.java

+5 −2

Original line number	Diff line number	Diff line
		@@ -26,11 +26,14 @@ public class Utils {

		/**
		* Allows lambda iteration over a list. It is done in reverse order so it is safe
		* to add or remove items during the iteration.
		* to add or remove items during the iteration. Skips over null items.
		*/
		public static <T> void safeForeach(List<T> list, Consumer<T> c) {
		for (int i = list.size() - 1; i >= 0; i--) {
		c.accept(list.get(i));
		T item = list.get(i);
		if (item != null) {
		c.accept(item);
		}
		}
		}