@Override
    public Joystick[] loadJoysticks(InputManager inputManager) {
        if (logger.isLoggable(Level.INFO)) {
            logger.log(Level.INFO, "loading joysticks for {0}", this.getClass().getName());
        }
        if (!disableSensors) {
            joystickList.add(sensorJoyInput.loadJoystick(joystickList.size(), inputManager));
        }
        return joystickList.toArray( new Joystick[joystickList.size()] );
    }
Resumes the joystick device listeners.
Used to resume when the activity comes to the top of the stack
jme3-android/src/main/java/com/jme3/input/android/AndroidJoyInput.java