<uses-permission android:name= "android.permission.ACCESS_FINE_LOCATION"/>

private static final int BAIDU_READ_PHONE_STATE = 100;//定位權限請求private static final int PRIVATE_CODE = 1315;//開啟GPS權限

/** * 檢測GPS、位置權限是否開啟 */public void showGPSContacts() { lm = (LocationManager) this.getSystemService(this.LOCATION_SERVICE); boolean ok = lm.isProviderEnabled(LocationManager.GPS_PROVIDER); if (ok) {//開了定位服務  if (Build.VERSION.SDK_INT >= 23) { //判斷是否為android6.0系統版本，如果是，需要動態添加權限   if (ContextCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION)     != PERMISSION_GRANTED) {// 沒有權限，申請權限。    ActivityCompat.requestPermissions(this, LOCATIONGPS,      BAIDU_READ_PHONE_STATE);   } else {    getLocation();//getLocation為定位方法   }  } else {   getLocation();//getLocation為定位方法  } } else {  Toast.makeText(this, "系統檢測到未開啟GPS定位服務,請開啟", Toast.LENGTH_SHORT).show();  Intent intent = new Intent();  intent.setAction(Settings.ACTION_LOCATION_SOURCE_SETTINGS);  startActivityForResult(intent, PRIVATE_CODE); }}/** * 獲取具體位置的經緯度 */private void getLocation() { // 獲取位置管理服務 LocationManager locationManager; String serviceName = Context.LOCATION_SERVICE; locationManager = (LocationManager) this.getSystemService(serviceName); // 查找到服務信息 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); // 獲取GPS信息 /**這段代碼不需要深究，是locationManager.getLastKnownLocation(provider)自動生成的，不加會出錯**/ if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION) != PERMISSION_GRANTED) {  // TODO: Consider calling  // ActivityCompat#requestPermissions  // here to request the missing permissions, and then overriding  // public void onRequestPermissionsResult(int requestCode, String[] permissions,  //           int[] grantResults)  // to handle the case where the user grants the permission. See the documentation  // for ActivityCompat#requestPermissions for more details.  return; } Location location = locationManager.getLastKnownLocation(provider); // 通過GPS獲取位置 updateLocation(location);}/** * 獲取到當前位置的經緯度 * @param location */private void updateLocation(Location location) { if (location != null) {  double latitude = location.getLatitude();  double longitude = location.getLongitude();  LogUtil.e("維度：" + latitude + "/n經度" + longitude); } else {  LogUtil.e("無法獲取到位置信息"); }}/** * Android6.0申請權限的回調方法 */@Overridepublic void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) { super.onRequestPermissionsResult(requestCode, permissions, grantResults); switch (requestCode) {  // requestCode即所聲明的權限獲取碼，在checkSelfPermission時傳入  case BAIDU_READ_PHONE_STATE:   //如果用戶取消，permissions可能為null.   if (grantResults[0] == PERMISSION_GRANTED && grantResults.length > 0) { //有權限    // 獲取到權限，作相應處理    getLocation();   } else {    showGPSContacts();   }   break;  default:   break; }}

@Overrideprotected void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); switch (requestCode) {  case PRIVATE_CODE:    showContacts();   break; }}

static final String[] LOCATIONGPS = new String[]{Manifest.permission.ACCESS_COARSE_LOCATION,   Manifest.permission.ACCESS_FINE_LOCATION,   Manifest.permission.READ_PHONE_STATE};