componentDidMount(){


    const token = this.props.token;
    const { navigation } = this.props;
    const itemId = navigation.getParam('itemId', 'NO-ID');
    const itemId2 = navigation.getParam('itemId2', 'NO-ID');
    const otherParam = navigation.getParam('otherParam', 'some default value');
    fetch('https://icartos.com/mobile/request?tk='+token+'&function=getAntecipationPeriod&dt_inicial='+itemId+'&dt_final='+itemId2)
    .then((response) => response.json())
      .then((responseJson) => {



            let state = this.state;
            state.response = responseJson.response;
            this.setState(state);

            if(responseJson.status == 1){

              {this.state.response = responseJson.response}
              this.setState({loading: "0"});

            }else{
              this.props.navigation.navigate('Login');
            }


           })
          .catch((error) => {
            {this.state.response = "[erro]"}
            this.setState({loading: "0"});

      });

  }