* Show permission denied when camera permissions not given
* Refactor camera code to add states
* Fix issue caused due to camera view permissions
* handle scenario where user did not give permissions in the settings page
* refactor setOnclickListener
* styling and add photo taking instructions
* fix flip image issue
* fix styling
* fix back button functionality
* show mask when settings(permissions) is displayed at the bottom
* fix styles
* fix mask image size
* Fix alignment of all views
* fix card styling
* add mask background
* fix navigation
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