From cd6a9ef58c4a01b9117e74fb9223a773898f68a0 Mon Sep 17 00:00:00 2001
From: Winson Chung <winsonc@google.com>
Date: Wed, 16 Jan 2013 14:59:18 -0800
Subject: [PATCH] Clearing screenshot bitmap references and recycling bitmap
 data immediately after saving. (Bug 7974275)

Change-Id: Icb71d28eb80105757026d7fac530db936b327500
---
 .../systemui/screenshot/GlobalScreenshot.java        | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/packages/SystemUI/src/com/android/systemui/screenshot/GlobalScreenshot.java b/packages/SystemUI/src/com/android/systemui/screenshot/GlobalScreenshot.java
index 03de89bdd3680..f419273cbefd8 100644
--- a/packages/SystemUI/src/com/android/systemui/screenshot/GlobalScreenshot.java
+++ b/packages/SystemUI/src/com/android/systemui/screenshot/GlobalScreenshot.java
@@ -217,13 +217,21 @@ class SaveImageInBackgroundTask extends AsyncTask<SaveImageInBackgroundData, Voi
             resolver.update(uri, values, null, null);
 
             params[0].imageUri = uri;
+            params[0].image = null;
             params[0].result = 0;
         } catch (Exception e) {
             // IOException/UnsupportedOperationException may be thrown if external storage is not
             // mounted
+            params[0].imageUri = null;
+            params[0].image = null;
             params[0].result = 1;
         }
 
+        // Recycle the bitmap data
+        if (image != null) {
+            image.recycle();
+        }
+
         return params[0];
     }
 
@@ -458,6 +466,10 @@ class GlobalScreenshot {
                 // Save the screenshot once we have a bit of time now
                 saveScreenshotInWorkerThread(finisher);
                 mWindowManager.removeView(mScreenshotLayout);
+
+                // Clear any references to the bitmap
+                mScreenBitmap = null;
+                mScreenshotView.setImageBitmap(null);
             }
         });
         mScreenshotLayout.post(new Runnable() {