Kalicharan issues

Results 2 issues of


                                            Kalicharan

![image](https://user-images.githubusercontent.com/30342557/106626587-dc95ae80-659d-11eb-81ca-e3734b450704.png)

Unhandled Rejection (TypeError): _ExponentCameraManager__WEBPACK_IMPORTED_MODULE_13__.default.requestPermissionsAsync is not a function