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POHow to capture longitude and latitude values and store them in server or text file in android app?
 

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  1. POHow to capture longitude and latitude values and store them in server or text file in android app?
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    <p>i am trying to capture longitude and latitude values from android phone.i am able to display values on my external device but i cont able to display them on my emulator and showing location not found.please tell me good approach to store the values in a text file also ,please, here is my code.I created textfile in my assets folder.</p> <pre><code>public class MainActivity extends Activity implements LocationListener{ private final static String STORETEXT="storetext.txt"; LocationManager locationManager ; String provider; String value1; String value2; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); // Getting LocationManager object locationManager = (LocationManager)getSystemService(Context.LOCATION_SERVICE); // Creating an empty criteria object Criteria criteria = new Criteria(); // Getting the name of the provider that meets the criteria provider = locationManager.getBestProvider(criteria, false); if(provider!=null &amp;&amp; !provider.equals("")){ // Get the location from the given provider Location location = locationManager.getLastKnownLocation(provider); locationManager.requestLocationUpdates(provider, 20000, 1, this); if(location!=null) onLocationChanged(location); else Toast.makeText(getBaseContext(), "Location can't be retrieved", Toast.LENGTH_SHORT).show(); }else{ Toast.makeText(getBaseContext(), "No Provider Found", Toast.LENGTH_SHORT).show(); } } @Override public boolean onCreateOptionsMenu(Menu menu) { getMenuInflater().inflate(R.menu.activity_main, menu); return true; } @Override public void onLocationChanged(Location location) { // Getting reference to TextView tv_longitude TextView tvLongitude = (TextView)findViewById(R.id.tv_longitude); // Getting reference to TextView tv_latitude TextView tvLatitude = (TextView)findViewById(R.id.tv_latitude); // Setting Current Longitude tvLongitude.setText("Longitude:" + location.getLongitude()); // Setting Current Latitude tvLatitude.setText("Latitude:" + location.getLatitude() ); value1 = tvLongitude.getText().toString(); value2 = tvLatitude.getText().toString(); saveClicked(); } private void saveClicked() { try{ OutputStreamWriter out= new OutputStreamWriter(openFileOutput(STORETEXT, 0)); out.write(value1); out.write(value2); out.close(); Toast .makeText(this, "The contents are saved in the file.", Toast.LENGTH_LONG) .show(); } catch(Throwable t){ Toast.makeText(this, "Exception: "+ t.toString(), Toast.LENGTH_LONG) .show(); } } @Override public void onProviderDisabled(String provider) { // TODO Auto-generated method stub } @Override public void onProviderEnabled(String provider) { // TODO Auto-generated method stub } @Override public void onStatusChanged(String provider, int status, Bundle extras) { // TODO Auto-generated method stub } } </code></pre>
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