Location Availability Check
Determines whether a given set of coordinates falls within mainland China or outside of it.
Check Region
Use the AMapLocationDataAvailableForCoordinate function to check if a target coordinate is located in mainland China.
// Set a target coordinate
CLLocationCoordinate2D coordinate = CLLocationCoordinate2DMake(39.948691, 116.492479);
// Returns YES if the coordinate is in mainland China, NO otherwise.
BOOL flag = AMapLocationDataAvailableForCoordinate(coordinate);