choosing .jpg,.pdf,.docs etc files from galley and uploading it to server via your API using IONIC 2. (DOESN'T WORK ON IOS)

uploadingresume.txt

 // Install file chooser and file transfer API from ionic 2 and import them into your page.ts. and don't forget to add providers in 
app.component.ts

 
 
 import { Component } from '@angular/core';
import { NavController, NavParams} from 'ionic-angular';
import { Home } from '../../homemodule/home';
import { FormBuilder, FormGroup, Validators } from '@angular/forms';
import { UserProfileService } from '../../services/login.service';
import { ConfirmidentityPage } from '../confirmidentity/confirmidentity';
import { ProgressDialog } from '../../utility/progress-dialog';
import { Camera, CameraOptions } from '@ionic-native/camera';
import { Transfer, FileUploadOptions, TransferObject } from '@ionic-native/transfer';
import { FileChooser } from '@ionic-native/file-chooser';
 
 
 
  constructor(public navCtrl: NavController, 
          public navParams: NavParams, 
          private builder: FormBuilder, 
          private userProfileService: UserProfileService,
          private progressDialog: ProgressDialog,
          private transfer: Transfer,
          private camera: Camera,
          private fileChooser: FileChooser
   ) {}
 
 
 uploadresume()
  {
      this.fileChooser.open()
      .then(uri => 
      {
        console.log(uri)
         const fileTransfer: TransferObject = this.transfer.create();


    // regarding detailed description of this you cn just refere ionic 2 transfer plugin in official website
      let options1: FileUploadOptions = {
         fileKey: 'image_upload_file',
         fileName: 'name.pdf',
         headers: {},
         params: {"app_key":"Testappkey"},
         chunkedMode : false
      
      }

      fileTransfer.upload(uri, 'your API that can take the required type of file that you want to upload.', options1)
       .then((data) => {
       // success
       alert("success"+JSON.stringify(data));
       }, (err) => {
       // error
       alert("error"+JSON.stringify(err));
           });

      })
      .catch(e => console.log(e));
  }