Make sure cancel is called on tear down.

- Make sure cancel is called when consumer of SpeechRecognizer calls
  destroy.
- If consumer goes away, make sure to call cancel as well.

b/17584947 Pressing mic button in Music hoses audio

Change-Id: Ibe1198b37fe6167493a8694f9089d970f1eb07de

1 files changed, 8 insertions, 0 deletions

diff --git a/core/java/android/speech/SpeechRecognizer.java b/core/java/android/speech/SpeechRecognizer.java
index 91c3799..88e2ede 100644
--- a/core/java/android/speech/SpeechRecognizer.java
+++ b/core/java/android/speech/SpeechRecognizer.java
@@ -396,6 +396,14 @@ public class SpeechRecognizer {
      * Destroys the {@code SpeechRecognizer} object.
      */
     public void destroy() {
+        if (mService != null) {
+            try {
+                mService.cancel(mListener);
+            } catch (final RemoteException e) {
+                // Not important
+            }
+        }
+
         if (mConnection != null) {
             mContext.unbindService(mConnection);
         }