image_upload.html

<div class="form-group">
    <label>Wink Image:
        <span style="color:red">*</span>
    </label>
    <input type="file" ng-model-instant id="fileToUpload" onchange="angular.element(this).scope().setFiles(this)" />
</div>

 <div class="form-group">
      <div>
          <div ng-if="progressVisibleMain">
              <div class="progress">
                  <div class="progress-bar" role="progressbar" aria-valuenow="10" aria-valuemin="0" aria-valuemax="100" ng-style="{'width': progress+'%'}">
                      {{progress}}% Completed
                  </div>
              </div>
          </div>
      </div>
  </div>