if (isChecked) {
    try {
        Runtime.getRuntime().exec("su -c echo 1 > /sys/bus/i2c/devices/3-0038/wakeup_mode");
        editor.putBoolean("dt2w_toggle", true).apply();
    } catch (IOException e) {
        e.printStackTrace();
    }
} else {
    try {
        Runtime.getRuntime().exec("su -c echo 0 > /sys/bus/i2c/devices/3-0038/wakeup_mode");
        editor.putBoolean("dt2w_toggle", false).apply();
    } catch (IOException e) {
        e.printStackTrace();
    }
}
editor.commit();