Google Places Autocomplete API

PlaceAutoComplete.java

private PlaceAutocompleteAdapter adapter;
private AutoCompleteTextView autocompleteView;

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    buildGoogleApiClient();

    autocompleteView = (AutoCompleteTextView)findViewById(R.id.autocomplete);

    autocompleteView.setOnItemClickListener(autocompleteClickListener);

    //設定篩選條件
    AutocompleteFilter filter = new AutocompleteFilter.Builder()
                .setTypeFilter(AutocompleteFilter.TYPE_FILTER_CITIES)
                .build();

    adapter = new PlaceAutocompleteAdapter(this, android.R.layout.simple_list_item_1, googleApiClient, null, filter);

    autocompleteView.setAdapter(adapter);
}

private AdapterView.OnItemClickListener autocompleteClickListener = new AdapterView.OnItemClickListener() {
    @Override
    public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
        final PlaceAutocompleteAdapter.PlaceAutocomplete item = mToAdapter.getItem(position);
        final String placeId = String.valueOf(item.placeId);
        Log.i(TAG, "Autocomplete item selected: " + item.description);

        PendingResult<PlaceBuffer> placeResult = Places.GeoDataApi
                    .getPlaceById(mGoogleApiClient, placeId);
        placeResult.setResultCallback(mToUpdatePlaceDetailsCallback);

        Log.i(TAG, "Called getPlaceById to get Place details for " + item.placeId);
    }
};

private ResultCallback<PlaceBuffer> updatePlaceDetailsCallback = new ResultCallback<PlaceBuffer>() {
    @Override
    public void onResult(PlaceBuffer places) {
        if (!places.getStatus().isSuccess()) {
            // Request did not complete successfully
            Log.e(TAG, "Place query did not complete. Error: " + places.getStatus().toString());
            places.release();
            return;
        }

        places.release();
    }
};

protected synchronized void buildGoogleApiClient() {
    googleApiClient = new GoogleApiClient.Builder(this)
            .addConnectionCallbacks(this)
            .addOnConnectionFailedListener(this)
            .addApi(Places.GEO_DATA_API)
            .build();
}