GPS工具类

import android.content.Context;

import android.location.Criteria;

import android.location.Location;

import android.location.LocationListener;

import android.location.LocationManager;

/**

* gps工具类

*/

public class GpsUtil {

/*

获取一次定位信息

*/

    public static Location getLocation(Context context) {

LocationManager manager = (LocationManager) context.getSystemService(Context.LOCATION_SERVICE);

        if (manager.isProviderEnabled(LocationManager.GPS_PROVIDER)) {

Location location =manager.getLastKnownLocation(LocationManager.GPS_PROVIDER);

            if (location !=null) {

return location;

            }

}

if (manager.isProviderEnabled(LocationManager.NETWORK_PROVIDER)) {

Location location =manager.getLastKnownLocation(LocationManager.NETWORK_PROVIDER);

            if (location !=null) {

return location;

            }

}

return null;

    }

/**

    * @param context you know

    * @param minTime  间隔多久更新

    * @param minSpacing    距离变化多大更新

    * @param listener      回调

    * @return  成功与否

*/

    public static boolean addChangeListen(Context context, int minTime, float minSpacing, LocationListener listener) {

LocationManager manager = (LocationManager) context.getSystemService(Context.LOCATION_SERVICE);

        if (manager.isProviderEnabled(LocationManager.GPS_PROVIDER)) {

manager.requestLocationUpdates(LocationManager.GPS_PROVIDER, minTime, minSpacing, listener);

            return true;

        }

if (manager.isProviderEnabled(LocationManager.NETWORK_PROVIDER)) {

manager.requestLocationUpdates(LocationManager.GPS_PROVIDER, minTime, minSpacing, listener);

            return true;

        }

return false;

    }

/*

* 设置这个可以根据属性,判断是使用gps还是network,该工具类没用到

*/

    private static Criteria getCriteria() {

Criteria criteria =new Criteria();

        // 设置定位精确度 Criteria.ACCURACY_COARSE比较粗略，Criteria.ACCURACY_FINE则比较精细

        criteria.setAccuracy(Criteria.ACCURACY_COARSE);

        // 设置是否要求速度

        criteria.setSpeedRequired(false);

        // 设置是否允许运营商收费

        criteria.setCostAllowed(false);

        // 设置是否需要方位信息

        criteria.setBearingRequired(false);

        // 设置是否需要海拔信息

        criteria.setAltitudeRequired(false);

        // 设置对电源的需求

        criteria.setPowerRequirement(Criteria.POWER_LOW);

        return criteria;

    }

public static boolean checkGps(Context context) {

LocationManager manager = (LocationManager) context.getSystemService(Context.LOCATION_SERVICE);

        return manager.isProviderEnabled(LocationManager.GPS_PROVIDER) ||manager.isProviderEnabled(LocationManager.NETWORK_PROVIDER);

    }

}