How to Stop camera to be used . or how to make it unusable
<p>I am working on  an app, in which i need to stop some functionality of phone, </p>

<p>which include :</p>

<p>1) making or receiving phone calls,</p>

<p>2) use of Bluetooth or wifi,</p>

<p>3) Use of camera, </p>

<p>these feature will lock as soon as this app get installed, and will be locked until the get uninstalled, first two i have done, but i dont know how to achieve 3rd task, as i have tried locking the camera with my app, but after some time it automatically unlocked.</p>

<p>any clue/pointer/help will be appreaciated. Thanks</p>
