Android: cannot convert from String to Editable

Question

A quick question:

I am getting the error : cannot convert from String to Editable. Here is the code :

Credential.getInstance().UserName = preferences.get         


        

Answer 1

Surely:

Credential.getInstance().UserName.append(preferences.getString("UserName", "invalid value"));

The API with the answers:

http://developer.android.com/reference/android/text/Editable.html