Ionic 3 upload multiple images with extra data

@rajkanase wrote:

I have a ionic 3 app, I am working on upload profile picture functionality. In this i want to select the image from either gallery or capture image using camera. After that i will be having two images/image_paths. I want to upload these two images along with user_id, access_token
Select Image From Gallery
let option = {
title: ‘Select Picture’,
message: ‘Select Least 1 Picture’,
maximumImagesCount: 1,
outType: 0
};

        this.imagePicker.getPictures(option).then(results => {
          for (var i = 0; i < results.length; i++) {
            // alert('Image URI: ' + results[i]);
            this.imageSelected = "data:image/jpeg;base64," +results[i];
            // this.imageSelected = results[i];
            let option = {
              quality: 100,
              targetHeight: 400,
              targetWidth: 400,
            };
            this.crop.crop(this.imageSelected, option).then((data) => {
              this.imageCropped = "data:image/jpeg;base64," +data;
              // alert(this.imageCropped);
              this.saveProfileImage(this.imageSelected, this.imageCropped);
            }, err => {
              this.imageCropped = '';
              alert(err);
            });
          }
        }, err => {
          this.imageSelected = '';
          alert('Error' + err);
        })

Select image from camera
let options: CameraOptions = {
quality: 100,
destinationType: this.camera.DestinationType.DATA_URL,
encodingType: this.camera.EncodingType.JPEG,
mediaType: this.camera.MediaType.PICTURE
}

        this.camera.getPicture(options).then((imageData) => {
          // alert(imageData);
          this.imageSelected = "data:image/jpeg;base64," +imageData;
          let option = {
            quality: 100,
            targetHeight: 400,
            targetWidth: 400,
          };
          this.crop.crop(this.imageSelected, option).then((data) => {
            this.imageCropped = "data:image/jpeg;base64," +data;
            this.saveProfileImage(this.imageSelected, this.imageCropped);
          }, err => {
            this.imageCropped = '';
            alert(err);
          });
        }, (err) => {
          this.imageSelected = '';
          alert('Error' + err);
        });

Please see the above code and if it is right, suggest me how to write upload function with either form data or any another method

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