My Application uses camera, I would like to add overlay over the camera preview. For example, I want to use a picture frame when I use Camera, also I would like to add a cus
Read the UIImagePickerController Class Reference, that's right in the documentation…
There are properties for this, especially the cameraOverlayView and showsCameraControls properties.
So you can hide the controls, provide a custom overlay view, and add subviews to this custom view to add custom buttons, frames, etc.