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in this lecture we are going to learn more about the features of edit texts what we want to do is to add the required fields feature to our user name edit text so that when the user focuses on our edit text at least one character has to be entered in the field otherwise we should issue an error and warn them that the edit text shouldnt be empty to do this inside the main activity class Im going to create an object from the text input layout class I type text input layout and I name my object for example user layout now inside the uncreate method Im going to connect my object after user I type user layout equals I cast it to text input layout point view by ID inside the parentheses I enter our that ID that user name underscore text input layout and semicolon now Im going to use the set unfocused change listener method I type user dot set unfocused change listener and inside the parentheses I type new unfocused change listener you see that the unfocused change method was added to our
