public class TestActivity extends AppCompatActivity {
    
    @RandomInt
    String randomInteger;
    
    @RandomInt(minValue = 1, maxValue = 100)
    int randomIntegerBetween1and100;
    
    @RandomString
    String randomString;

    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        Randomizer.bind(this);
        //... application code
    }
}