commit 0fb2f2bd009a6cfdba5ccab6a08f91d379d07d10
author 宋凯伦 <songkailun@xiaomi.com> Wed May 25 10:15:03 2016 +0800
committer Kevin Song <songkailun@xiaomi.com> Wed Jun 01 02:13:50 2016 +0000
tree 6a10c38d7bfd54f134c13a905c3953e5946a2950
parent 91f6b496a99e085d853d684485c8486125f83f45

Fix the memory leak in TetherSettings

https://code.google.com/p/android/issues/detail?id=210848

We need to close the bluetooth adapter's profile proxy in OnDestroy 
method, or it will cause TetherSettings object to be held and won't
release. And finally it will cause OOM issue.
Change-Id: Id7667f751697c8ef9fccaaabfed28a91d4fa4960
Signed-off-by: 宋凯伦 <songkailun@xiaomi.com>

src/com/android/settings/TetherSettings.java

diff --git a/src/com/android/settings/TetherSettings.java b/src/com/android/settings/TetherSettings.java
index a0cd4da..78b93c6 100644
--- a/src/com/android/settings/TetherSettings.java
+++ b/src/com/android/settings/TetherSettings.java
@@ -183,6 +183,16 @@
     }
 
     @Override
+    public void onDestroy() {
+        BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter();
+        BluetoothProfile profile = mBluetoothPan.getAndSet(null);
+        if (profile != null && adapter != null) {
+            adapter.closeProfileProxy(BluetoothProfile.PAN, profile);
+        }
+        super.onDestroy();
+    }
+
+    @Override
     public void onSaveInstanceState(Bundle savedInstanceState) {
         savedInstanceState.putInt(TETHER_CHOICE, mTetherChoice);
         super.onSaveInstanceState(savedInstanceState);