piotrmoskala / androidinputvalidator

Input validation for Android. It can validate all classes that extends TextView (EditText especially) using custom annotations

=================================== Android Input Validator

Library that validate text of all android classes that extends TextView (EditText especially) It's simply extendable by adding new annotations,validators and validation methods.

=================================== Example usage

    @NotEmpty
    private EditText mEditText

    private Button mButton;

    @Override
    public void onCreate(Bundle bundle){
        super.onCreate(bundle);
        setContentView(R.layout.activity_main);
        mEditText = (EditText)findViewById(R.id.activity_main_edittext);
        mButton = (Button)v.findViewById(R.id.activity_main_button);
        mButton.setOnClickListener(new View.OnClickListener() {
              @Override
              public void onClick(View v) {
                Validator validator = new Validator();
                validator.validate(MainActivity.this);
              }
        });
    }

=================================== Annotations

    @Email or @Email("text to set")
    @NotEmpty or @NotEmpty("text to set")
    @Number  or @Number("text to set")
    @Regex(value = "answer when not match", regex = "regex");
    @ValueGreaterThan(value = "this value must be greater than 2", number = 2)
    @ValueLessThan(value = "this value must be less than 3", number = 3)

=================================== Add your own annotation

One thing you have to do is:

• create annotation
• create validator
• add validator to Validators class the same way as the others are added.

=================================== EDIT:

You can simply use validators on any other class that implement Validatable interface.