Add comment about flag VIRTUAL_DISPLAY_FLAG_DESTROY_CONTENT_ON_REMOVAL

as recommended.

Change-Id: I3778eed6f91e3ebf70683f40389c605648444b99
Bug: 67420451
Test: Only add comment.

diff --git a/core/java/android/hardware/display/DisplayManager.java b/core/java/android/hardware/display/DisplayManager.java
index ae4f05a..b2af44e 100644 (file)
--- a/core/java/android/hardware/display/DisplayManager.java
+++ b/core/java/android/hardware/display/DisplayManager.java
@@ -282,6 +282,10 @@ public final class DisplayManager {
      * Virtual display flag: Indicates that the contents will be destroyed once
      * the display is removed.
      *
+     * Public virtual displays without this flag will move their content to main display
+     * stack once they're removed. Private vistual displays will always destroy their
+     * content on removal even without this flag.
+     *
      * @see #createVirtualDisplay
      * @hide
      */