此代码为Location功能的简单封装。
package arui.csdn.net;
import static Android.provider.Settings.ACTION_LOCATION_SOURCE_SETTINGS;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.Bundle;
public class LocationUtil {
public static boolean isEnabled(Context context) {
LocationManager mLocationManager = (LocationManager) context
.getSystemService(Context.LOCATION_SERVICE);
if (mLocationManager.isProviderEnabled(LocationManager.GPS_PROVIDER)) {
return true;
}
if (mLocationManager
.isProviderEnabled(LocationManager.NETWORK_PROVIDER)) {
return true;
}
return false;
}
public static void startLocationService(Context context) {
LocationManager mLocationManager = (LocationManager) context
.getSystemService(Context.LOCATION_SERVICE);
mLocationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER,
1000L, 10, mLocationListener);
mLocationManager.requestLocationUpdates(
LocationManager.NETWORK_PROVIDER, 1000L, 10,
mLocationListener);
}
public static void stopLocationService(Context context) {
LocationManager mLocationManager = (LocationManager) context
.getSystemService(Context.LOCATION_SERVICE);
mLocationManager.removeUpdates(mLocationListener);
}
public static Location getLocationByGPS(Context context) {
LocationManager mLocationManager = (LocationManager) context
.getSystemService(Context.LOCATION_SERVICE);
Location location = mLocationManager
.getLastKnownLocation(LocationManager.GPS_PROVIDER);
return location;
}
public static Location getLocationByNetwork(Context context) {
LocationManager mLocationManager = (LocationManager) context
.getSystemService(Context.LOCATION_SERVICE);
Location location = mLocationManager
.getLastKnownLocation(LocationManager.NETWORK_PROVIDER);
return location;
}
public static void openLocationSetting(Activity act, int requestCode) {
act.startActivityForResult(new Intent(ACTION_LOCATION_SOURCE_SETTINGS),
requestCode);
}
private static final LocationListener mLocationListener = new LocationListener() {
public void onLocationChanged(Location location) {
// 当坐标改变时触发此函数，如果Provider传进相同的坐标，它就不会被触发
System.out.println("onLocationChanged:" + location.getLatitude());
}
public void onProviderDisabled(String provider) {
// Provider被disable时触发此函数，比如GPS被关闭
System.out.println("onProviderDisabled:" + provider);
}
public void onProviderEnabled(String provider) {
// Provider被enable时触发此函数，比如GPS被打开
System.out.println("onProviderEnabled:" + provider);
}
public void onStatusChanged(String provider, int status, Bundle extras) {
// Provider的转态在可用、暂时不可用和无服务三个状态直接切换时触发此函数
System.out.println("onStatusChanged:" + status);
}
};
}
需要增加权限：
<uses-permission
android:name="android.permission.ACCESS_FINE_LOCATION" />