ANDROID FORM VALIDATION- THE RIGHT WAY               In our coding life, many we need to validate the fields, like Email validation on EditText input text, give a error notification when get the value of EditText is null. then we have to take care about validation. For example, Any activity have multiple EditText there are a need to validate the EditText then We should create Validation for all the fields which work for overall application.           Here I am showing what is best way to validate our form fieds.