Android vs JS: Library Validation

Question

JS有lib validation： validator https://www.npmjs.com/package/validator

Android有类似的东西吗？安卓的库名称是什么？

Answer 1

您可以使用

android:inputType="textPersonName"

在编辑文本到 xml 布局文件中

如果你想在Java中验证器，你可以使用

public class MainActivity extends AppCompatActivity implements Validator.ValidationListener {
@NotEmpty
@Length(min = 3, max = 10)
private EditText editTextUsername;
@NotEmpty
@Password
@Pattern(regex = "((?=.*\d)(?=.*[a-z])(?=.*[A-Z])(?=.*[@#$%]).{6,20})")
private EditText editTextPassword;
@ConfirmPassword
private EditText editTextConfirmPassword;
@NotEmpty
@Pattern(regex =  "^\(?([0-9]{3})\)?[-.\s]?([0-9]{3})[-.\s]?([0-9]{4})$")
private EditText editTextPhone;
@Min(18)
@Max(120)
private EditText editTextAge;
@NotEmpty
@Email
private EditText editTextEmail;
@Url
private EditText editTextWebsite;
@Checked
private CheckBox checkBoxAgree;
private Button buttonSave;
private Validator validator;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
initView();
validator = new Validator(this);
validator.setValidationListener(this);
}
private void initView() {
editTextUsername = findViewById(R.id.editTextUsername);
editTextPassword = findViewById(R.id.editTextPassword);
editTextConfirmPassword = findViewById(R.id.editTextConfirmPassword);
editTextAge = findViewById(R.id.editTextAge);
editTextPhone = findViewById(R.id.editTextPhone);
editTextEmail = findViewById(R.id.editTextEmail);
editTextWebsite = findViewById(R.id.editTextWebsite);
checkBoxAgree = findViewById(R.id.checkBoxAgree);
buttonSave = findViewById(R.id.buttonSave);
buttonSave.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
buttonSave_onClick(view);
}
});
}
private void buttonSave_onClick(View view) {
validator.validate();
String username = editTextUsername.getText().toString();
if (username.equalsIgnoreCase("pmk")) {
editTextUsername.setError(getText(R.string.username_already_exists));
}
}
@Override
public void onValidationSucceeded() {
Toast.makeText(this, "We got it right!", Toast.LENGTH_SHORT).show();
}
@Override
public void onValidationFailed(List<ValidationError> errors) {
for (ValidationError error : errors) {
View view = error.getView();
String message = error.getCollatedErrorMessage(this);
// Display error messages
if (view instanceof EditText) {
((EditText) view).setError(message);
} else {
Toast.makeText(this, message, Toast.LENGTH_LONG).show();
}
}
}

}