Android Programming: The Big Nerd Ranch Guide, Third Edition

Find and Display an Image

Now that you have a location fix, it is time to use it. Write an async task to find a GalleryItem near your location fix, download its associated image, and display it.

Put this code inside a new inner AsyncTask called SearchTask. Start by performing the search, selecting the first GalleryItem that comes up.

Listing 33.22  Writing SearchTask (LocatrFragment.java)

private void findImage() {
    ...
    LocationServices.FusedLocationApi
            .requestLocationUpdates(mClient, request, new LocationListener() {
                @Override
                public void onLocationChanged(Location location) {
                    Log.i(TAG, "Got a fix: " + location);
                    new SearchTask().execute(location); } }); } private boolean hasLocationPermission() { int result = ContextCompat ...