gps定位2.2上运行良好2.3不行

package com.qicheng.gps;import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.location.Criteria;
import android.location.GpsSatellite;
import android.location.GpsStatus;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.Bundle;
import android.provider.Settings;
import android.text.format.Time;
import android.widget.TextView;
import android.widget.Toast;public class index extends Activity {
        /** Called when the activity is first created. */
        @Override
        public void onCreate(Bundle savedInstanceState) {
                super.onCreate(savedInstanceState);
                setContentView(R.layout.main);
                openGPSSettings();
        }        private void openGPSSettings() {
                LocationManager alm = (LocationManager) this
                                .getSystemService(Context.LOCATION_SERVICE);
                if (alm
                                .isProviderEnabled(android.location.LocationManager.GPS_PROVIDER)) {
                        Toast.makeText(this, "GPS模块正常", Toast.LENGTH_SHORT).show();
                        getLocation();
                        return;
                }
                Toast.makeText(this, "请开启GPS！", Toast.LENGTH_SHORT).show();
                Intent intent = new Intent(Settings.ACTION_SECURITY_SETTINGS);
                startActivityForResult(intent,R.layout.main); // 此为设置完成后返回到获取界面 }
        }        LocationManager locationManager;        private void getLocation() {
                // 获取位置管理服务                String serviceName = Context.LOCATION_SERVICE;
                locationManager = (LocationManager) this.getSystemService(serviceName);
                // 查找到服务信息
                Criteria criteria = new Criteria();
                criteria.setAccuracy(Criteria.ACCURACY_FINE);
                // 高精度
                criteria.setAltitudeRequired(false);
                criteria.setBearingRequired(false);
                criteria.setCostAllowed(true);
                criteria.setPowerRequirement(Criteria.POWER_LOW);
                // 低功耗
                String provider = locationManager.getBestProvider(criteria, true);
                // 获取GPS信息
                Location location = locationManager.getLastKnownLocation(provider);
//                location = locationManager.getLastKnownLocation(locationManager.NETWORK_PROVIDER);
//                 Location location =
//                 locationManager.getLastKnownLocation(LocationManager.GPS_PROVIDER);                // 通过GPS获取位置
                updateToNewLocation(location);
                // 设置监听器，自动更新的最小时间为间隔N秒(1秒为1*1000)或最小位移变化超过N米
                locationManager.requestLocationUpdates(provider, 1000, 0,
                                locationListener);
                locationManager.addGpsStatusListener(statusListener); // 注册状态信息回调
        }        private List<GpsSatellite> numSatelliteList = new ArrayList<GpsSatellite>() ; // 卫星信号
        /**
         * 卫星状态监听器
         */
        private final GpsStatus.Listener statusListener = new GpsStatus.Listener() {
                public void onGpsStatusChanged(int event) { // GPS状态变化时的回调，如卫星数
                        GpsStatus status = locationManager.getGpsStatus(null); // 取当前状态
                        updateGpsStatus(event, status);
                }
        };        private void updateGpsStatus(int event, GpsStatus status) {
                if (event == GpsStatus.GPS_EVENT_SATELLITE_STATUS) {
                        int maxSatellites = status.getMaxSatellites();
                        Iterator<GpsSatellite> it = status.getSatellites().iterator();
                        numSatelliteList.clear();
                        int count=0;
                        while (it.hasNext() && count <= maxSatellites) {
                                GpsSatellite s = it.next();
                                numSatelliteList.add(s);
                                count++;
                        }
                       
                }
        }        private void updateToNewLocation(Location location) {
                // 获取系统时间
                Time t = new Time();
                t.setToNow(); // 取得系统时间
                int year = t.year;
                int month = t.month + 1;
                int date = t.monthDay;
                int hour = t.hour; // 24小时制
                int minute = t.minute;
                int second = t.second;
                TextView tv1;
                tv1 = (TextView) this.findViewById(R.id.tv1);
                if (location != null) {
                        double latitude = location.getLatitude();// 经度
                        double longitude = location.getLongitude();// 纬度
                        double altitude = location.getAltitude(); // 海拔
                        tv1.setText("搜索卫星个数：" + numSatelliteList.size()+"\n纬度：" + latitude + "\n经度：" + longitude + "\n海拔："
                                        + altitude + "\n时间：" + year + "年" + month + "月" + date
                                        + "日" + hour + ":" + minute + ":" + second);                } else {
                        tv1.setText("无法获取地理信息");
                }
        }        private final LocationListener locationListener = 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
                        if (location != null) {
                                updateToNewLocation(location);
                                Toast.makeText(index.this, "您的位置已发生改变！", Toast.LENGTH_SHORT)
                                                .show();
                        }
                }                public void onProviderDisabled(String provider) {
                        // Provider被disable时触发此函数，比如GPS被关闭
                }                public void onProviderEnabled(String provider) {
                        // Provider被enable时触发此函数，比如GPS被打开
                }                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
                }
        };
}求解~不甚感激 %>_<%