Update the javadoc of the ActivityManager#addOnUidImportanceListener()

Bug: 286258140
Test: m
Change-Id: I64bc0445bd7132978742f79cbe4f056ef2240305

1 files changed, 8 insertions, 0 deletions

diff --git a/core/java/android/app/ActivityManager.java b/core/java/android/app/ActivityManager.java
index 5318bb722b5f..b2c64756e4bf 100644
--- a/core/java/android/app/ActivityManager.java
+++ b/core/java/android/app/ActivityManager.java
@@ -4413,6 +4413,10 @@ public class ActivityManager {
      * <p>The caller must hold the {@link android.Manifest.permission#PACKAGE_USAGE_STATS}
      * permission to use this feature.</p>
      *
+     * <p>Calling this API with the same instance of {@code listener} without
+     * unregistering with {@link #removeOnUidImportanceListener} before it will result in
+     * an {@link IllegalArgumentException}.</p>
+     *
      * @throws IllegalArgumentException If the listener is already registered.
      * @throws SecurityException If the caller does not hold
      * {@link android.Manifest.permission#PACKAGE_USAGE_STATS}.
@@ -4438,6 +4442,10 @@ public class ActivityManager {
      * all UIDs will be monitored by this listener, this will be equivalent to the
      * {@link #addOnUidImportanceListener(OnUidImportanceListener, int)} in this case.
      *
+     * <p>Calling this API with the same instance of {@code listener} without
+     * unregistering with {@link #removeOnUidImportanceListener} before it will result in
+     * an {@link IllegalArgumentException}.</p>
+     *
      * @throws IllegalArgumentException If the listener is already registered.
      * @hide
      */