Question

How to validate Password Field in android?

Answer 1

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Please remember the following guidelines for password validation:

Use a regex pattern to define password criteria.

Implement the TextWatcher interface on the EditText for real-time validation.

Apply the regex pattern using Pattern.matches() method to check if the entered password meets the defined criteria.

Answer 2

To validate a password field in Android, you can check for conditions like minimum length, presence of uppercase and lowercase letters, digits, and special characters. Use regular expressions to ensure the password meets these criteria. For example, check if the password is at least 8 characters long, contains a mix of letters, digits, and special characters. Provide feedback to the user through Toast or error messages if the password does not meet the requirements.