You can use the TextInputLayout
to display error messages according to the material design guidelines using the setError
and setErrorEnabled
methods.
In order to show the error below the EditText use:
TextInputLayout til = (TextInputLayout) findViewById(R.id.username);
til.setErrorEnabled(true);
til.setError("You need to enter a name");
To enable error in the TextInputLayout
you can eithr use app:errorEnabled="true"
in xml or til.setErrorEnabled(true);
as shown above.
You will obtain: