commit e3ca04839783c8cd30fe1009f041f81615adec5d
author tingna_sung <tingna_sung@htc.com> Tue Oct 21 13:22:16 2014 +0800
committer tingna_sung <tingna_sung@htc.com> Mon Dec 01 15:22:43 2014 +0800
tree 8eaa6e9e703b4653d77979a8c2e76bf78e64e620
parent 461eaf79a726f5a754f467d7f3dd163aaa463857

Avoid capture all black screenshot bitmap

Captured screenshot bitmap is all black one if none of windows is
surface shown.

Change-Id: I651b2ade1865926d61f945167d60219535fa8bf8
Signed-off-by: tingna_sung <tingna_sung@htc.com>

services/core/java/com/android/server/wm/WindowManagerService.java

diff --git a/services/core/java/com/android/server/wm/WindowManagerService.java b/services/core/java/com/android/server/wm/WindowManagerService.java
index 7f7d93b..1c03ced 100644
--- a/services/core/java/com/android/server/wm/WindowManagerService.java
+++ b/services/core/java/com/android/server/wm/WindowManagerService.java
@@ -6101,7 +6101,7 @@
                     }
 
                     if (ws.mAppToken != null && ws.mAppToken.token == appToken &&
-                            ws.isDisplayedLw()) {
+                            ws.isDisplayedLw() && winAnim.mSurfaceShown) {
                         screenshotReady = true;
                     }