Android - ImageButton在新活动启动时失去按下状态

@Override
protected void onSaveInstanceState(Bundle outState) {
    super.onSaveInstanceState(outState);
    outState.putBoolean("buttonPressed", imageButton.isPressed());
}

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_new);

    if (savedInstanceState != null) {
        boolean buttonPressed = savedInstanceState.getBoolean("buttonPressed");
        imageButton.setPressed(buttonPressed);
    }
}