button.java

public void openPushButtonGpioPin(Button.OnButtonEventListener buttonCallback) {
    try {
        Button button = new Button(BoardDefaults.getPushButtonGpioPin(),
                Button.LogicState.PRESSED_WHEN_LOW);

        button.setOnButtonEventListener(buttonCallback);
    } catch (IOException error) {
        Timber.e(error, "There was an error configuring the push button GPIO pin");
    }
}