In Android EditText, how to force writing uppercase?
Clash Royale CLAN TAG #URR8PPP In Android EditText, how to force writing uppercase? 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 function to do that? EditText 17 Answers 17 Android actually has a built-in InputFilter just for this! edittext.setFilters(new InputFilter {new InputFilter.AllCaps()}); Be careful, setFilters will reset all other attributes which were set via XML (i.e. maxLines , inputType , imeOptinos ...). To prevent this, add you Filter(s) to the already existing ones. setFilters maxLines inputType imeOptinos InputFilter editFilters = <EditText>.getFilters(); InputFilter newFilters = new InputFilter[editFilters.length + 1]; System.arraycopy(editFilters, 0, newFilters, 0, editFilters.length); newFilters[editFilters.length] = <YOUR_FILTER>; <EditText>.se...