StackOverflow2013

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Id
19802117
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2013-11-06T01:00:24.557
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2013-11-08T17:52:41.190
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2013-11-08T17:52:41.190
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text
Body
You can not access the GoogleMap instance at <code>doInBackground</code> method. The GoogleMap can only be read and modified from the main thread. Just the HTTP request shall be on background task. You need to modify <code>doInBackground</code> to return the list of coordinates and implement the GoogleMap update at <code>onPostExecute</code> method (at main thread). Here is the code based on Version 1.1: <pre><code>GoogleMap googlemapa; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.buscarcontrincante); SupportMapFragment maps = (SupportMapFragment) getSupportFragmentManager().findFragmentById(R.id.map); googlemapa = maps.getMap(); googlemapa.setMyLocationEnabled(true); googlemapa.setMapType(GoogleMap.MAP_TYPE_HYBRID); googlemapa.getUiSettings().setCompassEnabled(true); googlemapa.getUiSettings().setZoomControlsEnabled(true); googlemapa.getUiSettings().setAllGesturesEnabled(true); new RetreiveFeedTask().execute(); } class RetreiveFeedTask extends AsyncTask<Void, Void, String[][]> { @Override protected String[][] doInBackground(Void... args) { // Execute the HTTP request on background task Datos com = new Datos(); // File Datos.java return com.Ubic(); } @Override protected void onPostExecute(String[][] latlon) { double latitud; double longitud; String nombre; // Update the UI for (int i = 0; i < latlon.length - 1; i++) { latitud = Double.parseDouble(latlon[i][0]); longitud = Double.parseDouble(latlon[i][3]); nombre = (latlon[i][2]); LatLng posicion = new LatLng(latitud, longitud); googlemapa.addMarker(new MarkerOptions().icon(BitmapDescriptorFactory.fromResource(R.drawable.icono_canchas)).position(posicion).title(nombre)); } } } </code></pre>
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1. POAsyntask #1 Android error
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1. PTAnswer
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1. USBismark Ito
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1. POAsyntask #1 Android error
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A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.