handleChoosePhoto = () => {
        var options = {
          title: 'Select Image',
          storageOptions: {
            skipBackup: true,
            path: 'images',
          },
        };
        ImagePicker.showImagePicker(options, response => {
          if (response.uri) {
            console.log(response)
            this.setState({ photo: response })
          }
          //alert(this.state.photo.fileName)
          //this.onSubmitPhoto();
        })
      }

      onSubmitPhoto = (e) => {

        var url = 'https://absensiapiendpoint.azurewebsites.net/api/BlobStorage/InsertFile';
        const Header = {
          // 'Content-Type': 'multipart/form-data',
          // 'accept' : 'text/plain'
        }

        var formData = new FormData();
        formData.append("stream", this.state.photo, this.state.photo.fileName)
         axios.post(url, formData ,Header)
              .then(data => {
                this.setState({
                  urlphoto : data.data
                })
                alert(this.state.urlphoto)
                console.log("ulrnya : " + this.state.urlphoto)
              }).catch(err => {
                //alert(err)
                  console.log(err)
                 }
              )
       }