setDevicePickerCompletionHandler:
Sets the completion handler that the system calls when the user selects a device from the picker view.
Declaration
- (void) setDevicePickerCompletionHandler:(void (^)(nw_endpoint_t endpoint, nw_error_t error)) devicePickerCompletionHandler;Parameters
- devicePickerCompletionHandler:
A block that the system calls after the user selects a device.
Mentioned in
Discussion
The system calls this block after the user selects a device from the endpoint picker view. If the user cancels the view, the picker silently closes.
// This example uses the default application services parameters;
// however, you can add a NWProtocolFramer to provide application-level
// messaging.
nw_browse_descriptor_t browseDescriptor = nw_browse_descriptor_create_application_service("MyAppService");
nw_parameters_t parameters = nw_parameters_create();
// Create the view controller for the endpoint picker.
NWEndpointPickerViewController *endpointPickerViewController = [[NWEndpointPickerViewController alloc] initWithBrowseDescriptor:browseDescriptor parameters: parameters];
// Set the endpoint picker handler.
[endpointPickerViewController setEndpointPickerCompletionHandler:^(nw_endpoint_t _Nullable endpoint, nw_error_t _Nullable error) {
// Connect to the endpoint here.
[self.myConnectionController connectToEndpoint: endpoint];
}];
// Show the network device picker as a full-screen, modal view.
[self presentViewController:endpointPickerViewController animated:YES completion:nil];