Android EditText - Focus on it and select all text programmatically

Question

I am new to Android and I am trying to figure out how do I focus on EditText and select all text in it.

Here is the scenario:

1. User enters user name in E

Answer 1

For selection of all the text of Edittext, you can use

editText.setSelection(0,editText.getText().toString().length());

and if you want to set cursor position you can use

editText.setSelection(position);