MediaPlayer2Impl: avoid NPE when accessing mHandlerThread

Bug: 109928575
Change-Id: I43d4ea528f702482ac197391b5bf236ff3794072

1 files changed, 4 insertions, 2 deletions

diff --git a/media/java/android/media/MediaPlayer2Impl.java b/media/java/android/media/MediaPlayer2Impl.java
index 4ac0188581e8..9b97b1060c8a 100644
--- a/media/java/android/media/MediaPlayer2Impl.java
+++ b/media/java/android/media/MediaPlayer2Impl.java
@@ -700,7 +700,8 @@ public final class MediaPlayer2Impl extends MediaPlayer2 {
     // return true if there is a next data source, false otherwise.
     // This function should be always called on |mHandlerThread|.
     private boolean prepareNextDataSource() {
-        if (Looper.myLooper() != mHandlerThread.getLooper()) {
+        HandlerThread handlerThread = mHandlerThread;
+        if (handlerThread != null && Looper.myLooper() != handlerThread.getLooper()) {
             Log.e(TAG, "prepareNextDataSource: called on wrong looper");
         }
 
@@ -736,7 +737,8 @@ public final class MediaPlayer2Impl extends MediaPlayer2 {
 
     // This function should be always called on |mHandlerThread|.
     private void playNextDataSource() {
-        if (Looper.myLooper() != mHandlerThread.getLooper()) {
+        HandlerThread handlerThread = mHandlerThread;
+        if (handlerThread != null && Looper.myLooper() != handlerThread.getLooper()) {
             Log.e(TAG, "playNextDataSource: called on wrong looper");
         }