Android
Android EditText Validation public void SetValidation() { // Check for a valid email address. if (email.getText().toString().isEmpty()) { emailError .setError(getResources().getString(R.string. email_error )); isEmailValid = false ; } else if (!Patterns. EMAIL_ADDRESS .matcher(email.getText().toString()).matches()) { emailError .setError(getResources().getString(R.string. error_invalid_email )); isEmailValid = false ; } else { isEmailValid = true ; emailError .setErrorEnabled( false ); } // Check for a valid password. if (password.getText().toString().isEmpty()) { passError .setError(getResources().getString(R.string. password_error )); isPasswordValid = false ; } else if (password.getText().length() < 6 ) { passError .setError(getResources().getString(R.string. error_invalid_password )); isPasswordValid = false ; } else { isPasswordValid = true ; ...