commit 0fe7ce968bc7f0eff64f08e2d51c8b1e6b4a6fc8
author Jorim Jaggi <jjaggi@google.com> Wed Feb 22 16:45:48 2017 +0100
committer Jorim Jaggi <jjaggi@google.com> Wed Mar 22 15:59:44 2017 +0100
tree c7032c5de42a5b3fd23f7be2fadbceb9643f3684
parent 6f9dbcb742ee930151444118dd61c2239efce09d

Add API to disable snapshotting of activities

Test: runtest frameworks-services -c
com.android.server.wm.TaskSnapshotControllerTest
Test: Launch DisableScreenshotsActivity, go to recents, make sure
content is white.
Bug: 31339431

Change-Id: I329925d2fca389e561da3389a67fe888b5bb1033

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

diff --git a/services/core/java/com/android/server/wm/AppWindowContainerController.java b/services/core/java/com/android/server/wm/AppWindowContainerController.java
index bd38be4..ef3d87c 100644
--- a/services/core/java/com/android/server/wm/AppWindowContainerController.java
+++ b/services/core/java/com/android/server/wm/AppWindowContainerController.java
@@ -35,7 +35,6 @@
 import android.os.Debug;
 import android.os.Handler;
 import android.os.IBinder;
-import android.os.Looper;
 import android.os.Trace;
 import android.util.Slog;
 import android.view.IApplicationToken;
@@ -228,7 +227,7 @@
             boolean fullscreen, boolean showForAllUsers, int targetSdk, int orientation,
             int rotationAnimationHint, int configChanges, boolean launchTaskBehind,
             boolean alwaysFocusable, AppWindowContainerController controller) {
-        return  new AppWindowToken(service, token, voiceInteraction, dc,
+        return new AppWindowToken(service, token, voiceInteraction, dc,
                 inputDispatchingTimeoutNanos, fullscreen, showForAllUsers, targetSdk, orientation,
                 rotationAnimationHint, configChanges, launchTaskBehind, alwaysFocusable,
                 controller);
@@ -298,6 +297,17 @@
         }
     }
 
+    public void setDisablePreviewScreenshots(boolean disable) {
+        synchronized (mWindowMap) {
+            if (mContainer == null) {
+                Slog.w(TAG_WM, "Attempted to set disable screenshots of non-existing app"
+                        + " token: " + mToken);
+                return;
+            }
+            mContainer.setDisablePreviewSnapshots(disable);
+        }
+    }
+
     public void setVisibility(boolean visible) {
         synchronized(mWindowMap) {
             if (mContainer == null) {