Android get current date and show it in TextView

Question

I do not know what is wrong with code below -

public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layo         


        

Answer 1

SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd_HHmmss");
String currentDateandTime = sdf.format(new Date());
tv.setText(currentDateandTime);

this is the way how i do it