解决方案:
// Destroy physics world
Iterator<Body> i = mPhysicsWorld.getBodies().iterator();
while(i.hasNext()){
Log.e("", "BBBBBBBBBBBBBB>>>>>"+mPhysicsWorld.getBodyCount());
mPhysicsWorld.destroyBody(i.next());
}
mPhysicsWorld.clearPhysicsConnectors();
mPhysicsWorld.dispose();
mPhysicsWorld = null;