@OnCheckedChanged(R.id.mySwitch)
    public void changeUnit(){
        if(mySwitch.isChecked()){
            massInput.setHint(getResources().getString(R.string.ib));
            heightInput.setHint(getResources().getString(R.string.in));
            cbmi = new CountBMIforIbIn();
        }
        else{
            massInput.setHint(getResources().getString(R.string.kg));
            heightInput.setHint(getResources().getString(R.string.meters));
            cbmi = new CountBMIforKgM();
        }
    }