In Android EditText, how to force writing uppercase?

Question

In my Android application I have different EditText where the user can enter information. But I need to force user to write in uppercase letters. Do you know a

Answer 1

A Java 1-liner of the proposed solution could be:

editText.setFilters(Lists.asList(new InputFilter.AllCaps(), editText.getFilters())
    .toArray(new InputFilter[editText.getFilters().length + 1]));

Note it needs com.google.common.collect.Lists.