LeakingActivity.diff

@@ -15,6 +15,8 @@ public class LeakingActivity extends Activity
     private static final int BYTES_TO_ALLOCATE = BYTES_IN_A_MEGABYTE;
     private static final String HPROF_DUMP_BASENAME = "LeakingActivity.hprof";
 
+    private final ToyMessageBus messageBus = ToyMessageBus.getInstance();
+
     private byte[] byteArray;
 
     private TextView heapSizeTextView;
@@ -65,5 +67,6 @@ public class LeakingActivity extends Activity
     public void onResume() {
         super.onResume();
         updateHeapSize();
+        messageBus.register(this);
     }
 }