diff options
| -rw-r--r-- | core/java/android/content/ContentResolver.java | 13 | ||||
| -rw-r--r-- | services/core/java/com/android/server/content/ContentService.java | 3 |
2 files changed, 15 insertions, 1 deletions
diff --git a/core/java/android/content/ContentResolver.java b/core/java/android/content/ContentResolver.java index e446f4fa5eb4..0a4627da223a 100644 --- a/core/java/android/content/ContentResolver.java +++ b/core/java/android/content/ContentResolver.java @@ -687,6 +687,19 @@ public abstract class ContentResolver implements ContentInterface { public static final int NOTIFY_DELETE = 1 << 4; /** + * Flag for {@link #notifyChange(Uri, ContentObserver, int)}: typically set + * by a {@link ContentProvider} to indicate that this notification should + * not be subject to any delays when dispatching to apps running in the + * background. + * <p> + * Using this flag may negatively impact system health and performance, and + * should be used sparingly. + * + * @hide + */ + public static final int NOTIFY_NO_DELAY = 1 << 15; + + /** * No exception, throttled by app standby normally. * @hide */ diff --git a/services/core/java/com/android/server/content/ContentService.java b/services/core/java/com/android/server/content/ContentService.java index 962f337a8b3f..9a910bf5e859 100644 --- a/services/core/java/com/android/server/content/ContentService.java +++ b/services/core/java/com/android/server/content/ContentService.java @@ -569,9 +569,10 @@ public final class ContentService extends IContentService.Stub { // Immediately dispatch notifications to foreground apps that // are important to the user; all other background observers are // delayed to avoid stampeding + final boolean noDelay = (key.flags & ContentResolver.NOTIFY_NO_DELAY) != 0; final int procState = LocalServices.getService(ActivityManagerInternal.class) .getUidProcessState(key.uid); - if (procState <= ActivityManager.PROCESS_STATE_IMPORTANT_FOREGROUND) { + if (procState <= ActivityManager.PROCESS_STATE_IMPORTANT_FOREGROUND || noDelay) { task.run(); } else { BackgroundThread.getHandler().postDelayed(task, BACKGROUND_OBSERVER_DELAY); |