我正在使用cordova,geolocation插件来显示android的经度和经度 . 有很多问题与此相同所以我阅读并尝试了他们的解决方案,但无法解决问题 . 下面的代码在浏览器上完美运行 .
我尝试了3种方法,首先:“navigator.geolocation.watchPosition”,它在模拟器(Android Studio)中返回错误的结果(37.42,-122.08),并且不返回任何设备 .
我也尝试了“navigator.geolocation.getCurrentPosition”,同时“enableHighAccuracy”设置为'true'和'false',我得到timeOut错误警告 .
当我删除deviceready时,我没有得到timeOut,只是来自所有三种方法的错误结果 .
(function (window) {
document.addEventListener("deviceready", onDeviceReady, false);
function onDeviceReady() {
var minAccuracyInMetres = 50;
var positionWatcher;
positionWatcher = navigator.geolocation.watchPosition(
geolocationSuccess2,
geolocationError2,
{ maximumAge: 0, timeout: 100000, enableHighAccuracy: true });
function geolocationSuccess2(position) {
// Reject if accuracy is not sufficient
if (position.coords.accuracy > minAccuracyInMetres) {
return;
}
// Only single position required so clear watcher
navigator.geolocation.clearWatch(positionWatcher);
alert('Latitude: ' + position.coords.latitude + '\n' +
'Longitude: ' + position.coords.longitude + '\n' +
'Altitude: ' + position.coords.altitude + '\n' +
'Accuracy: ' + position.coords.accuracy + '\n' +
'Altitude Accuracy: ' + position.coords.altitudeAccuracy + '\n' +
'Heading: ' + position.coords.heading + '\n' +
'Speed: ' + position.coords.speed + '\n' +
'Timestamp: ' + position.timestamp + '\n');
};
function geolocationError2(error) {
console.warn("Error while retrieving current position. " +
"Error code: " + error.code + ",Message: " + error.message);
}
//2
var onSuccess1 = function (position) {
alert('Latitude: ' + position.coords.latitude + '\n' +
'Longitude: ' + position.coords.longitude + '\n' +
'Altitude: ' + position.coords.altitude + '\n' +
'Accuracy: ' + position.coords.accuracy + '\n' +
'Altitude Accuracy: ' + position.coords.altitudeAccuracy + '\n' +
'Heading: ' + position.coords.heading + '\n' +
'Speed: ' + position.coords.speed + '\n' +
'Timestamp: ' + position.timestamp + '\n');
};
function onError1(error) {
alert('code: ' + error.code + '\n' +
'message: ' + error.message + '\n' + 'highaccuracy: true');
}
var options1 = { maximumAge: 0, timeout: 300000, enableHighAccuracy: true };
navigator.geolocation.getCurrentPosition(onSuccess1, onError1, options1);
//3
var onSuccess = function (position) {
alert('Latitude: ' + position.coords.latitude + '\n' +
'Longitude: ' + position.coords.longitude + '\n')
};
function onError(error) {
alert('code: ' + error.code + '\n' +
'message: ' + error.message + '\n' + ' high accuracy:false');
}
navigator.geolocation.getCurrentPosition(onSuccess, onError, { enableHighAccuracy: false, timeout: 300 * 1000, maximumAge: 0 });
}
})(window);
我从stackoverflow中的另一个问题中获取了watchPosition部分 . 我使用cordova版本:6.4.0 . 我删除了插件并再次尝试但它没有用 . 我正在测试的设备是联想平板电脑 . 非常感谢 .
更新:我的地理位置版本是:2.4.0重要吗???
1 回答
经过两天的挣扎,我在位置设置中打开了“高精度” . 该应用程序现在工作!