If your app is based(in order to run your app camera is necessary) on camera functionality then follow below steps
1) Open Info.plist
2) Click +
3) Add RequiredDeviceCapabilities on the Key column
4) Add still-camera on the Value column
5) Save the updated Info.plist
If some part of your app requires camera functionality then add
if ([UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypeCamera]) {
//Something
}