ionic 2 how to HTTP.post image send the server side in ionic 2 / 3 - ios

Question

I'm building an app with Ionic 2. I need to take a photo from gallery or camera and upload this picture to my server. I have this code that opens the Gallery and takes a picture. without base64Image, how can upload image.
private accessGallery(): void {
let options = {
quality: 75,
// sourceType: this.camera.PictureSourceType.SAVEDPHOTOALBUM,
// destinationType: this.camera.DestinationType.DATA_URL,
destinationType: this.camera.DestinationType.FILE_URI,
sourceType: this.camera.PictureSourceType.PHOTOLIBRARY,
// encodingType: this.camera.EncodingType.JPEG,
mediaType: this.camera.MediaType.PICTURE
}
this.imagePicker.getPictures(options).then((results) => {
this.imageURI = new Array();
for (var i = 0; i < results.length; i++) {
console.log('Image URI: ' + results[i]);
this.imageURI.push(normalizeURL(results[i]));
}
console.log("Body images Name*******:-=" + this.imageURI);
this.uploadFile();
}, (err) => { });
}
uploadFile() {
let body:any = new FormData();
body = {
images: this.imageURI
}
let headers = new Headers({
'token': this.token,
'sid': this.sid,
'user': this.user,
'to': this.to,
'node': this.node,
'type': 'image'
});
let options = new RequestOptions({ headers: headers });
console.log("header ----" + JSON.stringify(headers));
console.log("images data body----" + JSON.stringify(body));
this.http.post(this.apiURL, body, options)
.map(res => res.json())
.subscribe(
data => {
console.log(data);
},
err => {
console.log("ERROR!: ", err);
}
);
}
Error :- ERROR!: Response with status: 0 for URL: null