Add a utility method to hide the focus
Bug: 192396578
Test: manual
Change-Id: I5787540a773162bc7081cd1de681150da82d1fc3
diff --git a/car-ui-lib/car-rotary-lib/src/main/java/com/android/car/ui/utils/ViewUtils.java b/car-ui-lib/car-rotary-lib/src/main/java/com/android/car/ui/utils/ViewUtils.java
index 15e1a57..fb8b4ab 100644
--- a/car-ui-lib/car-rotary-lib/src/main/java/com/android/car/ui/utils/ViewUtils.java
+++ b/car-ui-lib/car-rotary-lib/src/main/java/com/android/car/ui/utils/ViewUtils.java
@@ -133,6 +133,27 @@
void removeOnLayoutCompleteListener(@Nullable Runnable runnable);
}
+ /**
+ * Hides the focus by searching the view tree for the {@link FocusParkingView}
+ * and focusing on it.
+ *
+ * @param root the root view to search from
+ * @return true if the FocusParkingView was successfully found and focused
+ * or if it was already focused
+ */
+ public static boolean hideFocus(@NonNull View root) {
+ FocusParkingView fpv = (FocusParkingView) depthFirstSearch(root,
+ /* targetPredicate= */ v -> v instanceof FocusParkingView,
+ /* skipPredicate= */ null);
+ if (fpv == null) {
+ return false;
+ }
+ if (fpv.isFocused()) {
+ return true;
+ }
+ return fpv.performAccessibilityAction(ACTION_FOCUS, /* arguments= */ null);
+ }
+
/** Gets the ancestor FocusArea of the {@code view}, if any. Returns null if not found. */
@Nullable
public static FocusArea getAncestorFocusArea(@NonNull View view) {
