问使用具有摄像头功能的聚合物组件构建移动应用程序(Cordova)

EN

I have to add the file upload and camera feature to the same mobile application. 

in index.html I am using polymer component like this :
        <div style="border: 2px solid green;">
            <crud-expense-mobile employee-id='1234'></crud-expense-mobile>
        </div>
    enter code here

This is my first mobile project. Need guidance from experts