[iOS] Geolocation API not work on RN 0.50.3

[jacobchen]

Is this a bug report?

Yes

Environment

OS: macOS Sierra 10.13.1
Node: 8.9.1
Yarn: 0.21.3
npm: 5.5.1
Xcode: Xcode 9.1 Build version 9B55

react-native: 0.50.3
react: 16.0.0
Test device: Simulator iPhone6s / iOS11

Steps to Reproduce

1. create a pure app with command: react-init geoTest

2. Setup the app as following: include NSLocationAlwaysUsageDescription and NSLocationWhenInUseUsageDescription in the info.plist, add location as a background mode in the 'Capabilities' tab in Xcode

3. Add code as below:

componentDidMount() {
 navigator.geolocation.getCurrentPosition(
 (position) => {
 console.log("position.coords: ", position.coords);
 },
 (error) => this.setState({ error: error.message }),
 { enableHighAccuracy: true, useSignificantChanges: true, distanceFilter:10, timeout: 20000, maximumAge: 1000 },
 );
}

Below error message show up:

TypeError: Cannot read property 'geolocation' of undefined

[ProteanDev]

Yeah I'm having this issue too. I haven't found a way around it yet. I am using react-native-maps though, not sure yet if that has something to do with that. The same thing happen in android.

[hawkup]

Have you tried remove /node_modules and install again yet?

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Maybe the issue has been fixed in a recent release, or perhaps it is not affecting a lot of people. If you think this issue should definitely remain open, please let us know why. Thank you for your contributions.