Flutter for Beginners

Checking and requesting permission in Flutter (permission_handler)

Suppose our app needs permission to access contacts in order to make a favor request (for example, if we wanted to display all the contacts inside our app for the user to select one). We create the _checkPermissions function to check and request the permission, if needed, and follow these steps:

1. First, we get the status of the permission from the API:

void _checkPermissions() async {     PermissionStatus status = await PermissionHandler()        .checkPermissionStatus(PermissionGroup.contacts);

2. Then, we test whether the status is different than granted, that is, it has not already been granted by the user:

if (status != PermissionStatus.granted) 

3. Lastly, if the permission is ...