Default Validation EditText

I found a good article here on how to use the default feature of EditText to show the error. While writing the validation on EditText on a button click event or TextChanged event instead of showing alert dialog if you want to show error we can use the default feature of EditText as

EditText username = (EditText)findViewById(R.id.uname);
if( username.getText().toString().length() == 0 )
    username.setError( "Empty Text Field");

sample image

Hope it helps somebody 🙂

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