php-proj/public/app/views/upload.html

<div layout="column" layout-fill layout-align="top center">

    <h1>Upload</h1>
    <div image-dropzone="fileLoaded(content, file)" class="dropzone">
        <img ng-show="image != null" ng-src="{{ image.content | toDataUrl }}">
        <p ng-hide="image != null">
            Drag a file here or <a href="" ng-click="pickFile()">pick one</a>
        </p>
    </div>
    <button type="button" ng-click="test()" >Test.</button>
    <input type="file" class="hidden-input" id="filePicker">
</div>