几天以来,我一直在尝试显示与 Web 服务器协调的 gps,但尚未得出任何结论。我想做的是获取一个人的纬度和经度,然后将它们显示在网络服务器上。我有一个 php 服务器和 mysql 数据库。没有错误,但 url 上没有显示任何内容
public class UseGps extends Activity
{
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
/* Use the LocationManager class to obtain GPS locations */
LocationManager mlocManager = (LocationManager)getSystemService(Context.LOCATION_SERVICE);
LocationListener mlocListener = new MyLocationListener();
mlocManager.requestLocationUpdates( LocationManager.GPS_PROVIDER, 0, 0, mlocListener);
}
/* Class My Location Listener */
public class MyLocationListener implements LocationListener
{
Context context;
public void onLocationChanged(Location loc)
{
double latitude = loc.getLatitude();
double longitude = loc.getLongitude();
Toast.makeText(context, "Latitude:" +latitude + "Longitude:" +longitude, 5000).show();
TelephonyManager telephonyManager = (TelephonyManager)context.getSystemService(Context.TELEPHONY_SERVICE);
String Devid = telephonyManager.getDeviceId();
//this is JSON part to put your information inside it
String postData = "{\"request\":{\"type\":\"locationinfo\"},\"userinfo\":{\"Devid\":\""+Devid+"\",\"latitude\":\""+latitude+"\",\"longitude\":\""+longitude+"\"}}";
Uri uri = Uri.parse("http://location.site88.net/store.php");
Intent intent = new Intent(Intent.ACTION_VIEW, uri);
startActivity(intent);
String url="http://location.site88.net/storeg.php";
DefaultHttpClient httpClient = new DefaultHttpClient();
HttpPost httpPost = new HttpPost(url);
List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>(3);
nameValuePairs.add(new BasicNameValuePair("Devid", Devid));
nameValuePairs.add(new BasicNameValuePair("latitude", Double.toString(latitude) ));
nameValuePairs.add(new BasicNameValuePair("longitude", Double.toString(longitude)));
try {
httpPost.setEntity(new UrlEncodedFormEntity(nameValuePairs));
} catch (UnsupportedEncodingException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
HttpResponse httpResponse = null;
String result = null;
try {
httpResponse = httpClient.execute(httpPost);
HttpEntity httpEntity = httpResponse.getEntity();
if (httpEntity != null) {
InputStream instream = null;
instream = httpEntity.getContent();
BufferedReader reader = new BufferedReader(new InputStreamReader(instream,"iso-8859-1"),8);
StringBuilder sb = new StringBuilder();
String line = null;
while ((line = reader.readLine()) != null) {
sb.append(line + "\n");
Toast.makeText(getApplicationContext(), "pass", Toast.LENGTH_SHORT).show();
}
instream.close();
result=sb.toString();
}
} catch (ClientProtocolException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
} catch (IOException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
}
public void onProviderDisabled(String provider) {
// TODO Auto-generated method stub
}
public void onProviderEnabled(String provider) {
// TODO Auto-generated method stub
}
public void onStatusChanged(String provider, int status, Bundle extras) {
// TODO Auto-generated method stub
}}}