Merge "Refine getIndex and getType of InsetsSource" into udc-dev (f34371cb) · Commits · e / os / android_frameworks_base

core/java/android/view/InsetsSource.java

+9 −2

Original line number	Diff line number	Diff line
		@@ -293,16 +293,23 @@ public class InsetsSource implements Parcelable {
		* @see #createId(Object, int, int)
		*/
		public static int getIndex(int id) {
		return (id % (1 << 16)) >> 5;
		// start: ????????????????***********?????
		// & 65535: 0000000000000000***********?????
		// >> 5: 000000000000000000000***********
		return (id & 65535) >> 5;
		}

		/**
		* Gets the {@link InsetsType} from the ID.
		*
		* @see #createId(Object, int, int)
		* @see WindowInsets.Type#indexOf(int)
		*/
		public static int getType(int id) {
		return 1 << (id % 32);
		// start: ???????????????????????????*****
		// & 31: 000000000000000000000000000*****
		// 1 <<: See WindowInsets.Type#indexOf
		return 1 << (id & 31);
		}

		public static String flagsToString(@Flags int flags) {