我正在尝试弄清楚当用户打开或关闭设置中的位置时如何监听事件。我试过navigator.geolocation.watchposition
但没有取得太大成功,因为它没有监听相应的事件。
npm install --save react-native-location
react-native link
var React = require('react-native');
var { DeviceEventEmitter } = React;
var { RNLocation: Location } = require('NativeModules');
Location.getAuthorizationStatus(function(authorization) {
//authorization is a string which is either "authorizedAlways",
//"authorizedWhenInUse", "denied", "notDetermined" or "restricted"
});
Location.requestAlwaysAuthorization();
Location.startUpdatingLocation();
Location.setDistanceFilter(5.0);
var subscription = DeviceEventEmitter.addListener(
'locationUpdated',
(location) => {
/* Example location returned
{
coords: {
speed: -1,
longitude: -0.1337,
latitude: 51.50998,
accuracy: 5,
heading: -1,
altitude: 0,
altitudeAccuracy: -1
},
timestamp: 1446007304457.029
}
*/
}
);
参考这个网站 https://github.com/timfpark/react-native-location更多细节。
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