diff options
| -rw-r--r-- | core/java/android/os/FileObserver.java | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/core/java/android/os/FileObserver.java b/core/java/android/os/FileObserver.java index 4e705e04b447..dd85e1584f0e 100644 --- a/core/java/android/os/FileObserver.java +++ b/core/java/android/os/FileObserver.java @@ -16,6 +16,7 @@ package android.os; +import android.annotation.Nullable; import android.util.Log; import java.lang.ref.WeakReference; @@ -204,7 +205,8 @@ public abstract class FileObserver { * * @param event The type of event which happened * @param path The path, relative to the main monitored file or directory, - * of the file or directory which triggered the event + * of the file or directory which triggered the event. This value can + * be {@code null} for certain events, such as {@link #MOVE_SELF}. */ - public abstract void onEvent(int event, String path); + public abstract void onEvent(int event, @Nullable String path); } |