Why? Adding a PNG images on camera would kill the purpose of having a camera at all. Camera preview needs to be showing the current image capturing in the device. Did you mean to add a layer on the camera preview? If so, please read this thread: http://stackoverflow.com/questions/7466336/android-overlay-on-android-camera-preview[^]
The shit I complain about It's like there ain't a cloud in the sky and it's raining out - Eminem ~! Firewall !~