public class PlacesAutoCompleteAdapter extends ArrayAdapter<String> implements
Filterable {
private ArrayList<MapdataList> resultList;
public PlacesAutoCompleteAdapter(Context context, int textViewResourceId) {
super(context, textViewResourceId);
}
@Override
public int getCount() {
return resultList.size();
}
@Override
public String getItem(int index) {
MapdataList data = resultList.get(index);
return data.getPlaceName();
}
public String mthod(int index) {
MapdataList data = resultList.get(index);
return data.getPlaceID();
}
@Override
public Filter getFilter() {
Filter filter = new Filter() {
@Override
protected FilterResults performFiltering(CharSequence constraint) {
FilterResults filterResults = new FilterResults();
if (constraint != null) {
// Retrieve the autocomplete results.
resultList = autocomplete(constraint.toString());
// Assign the data to the FilterResults
filterResults.values = resultList;
filterResults.count = resultList.size();
}
return filterResults;
}
@Override
protected void publishResults(CharSequence constraint,
FilterResults results) {
if (results != null && results.count > 0) {
notifyDataSetChanged();
} else {
notifyDataSetInvalidated();
}
}
};
return filter;
}
private static final String LOG_TAG = "ExampleApp";
private static final String PLACES_API_BASE = "https://maps.googleapis.com/maps/api/place";
private static final String TYPE_AUTOCOMPLETE = "/autocomplete";
private static final String OUT_JSON = "/json";
private static final String API_KEY = "serverkry";
private ArrayList<MapdataList> autocomplete(String input) {
ArrayList<MapdataList> resultList = null;
HttpURLConnection conn = null;
StringBuilder jsonResults = new StringBuilder();
try {
StringBuilder sb = new StringBuilder(PLACES_API_BASE
+ TYPE_AUTOCOMPLETE + OUT_JSON);
sb.append("?key=" + API_KEY);
// sb.append("&components=country:uk");
sb.append("&sensor=true");
sb.append("&input=" + URLEncoder.encode(input, "utf8"));
URL url = new URL(sb.toString());
conn = (HttpURLConnection) url.openConnection();
InputStreamReader in = new InputStreamReader(conn.getInputStream());
// Load the results into a StringBuilder
int read;
char[] buff = new char[1024];
while ((read = in.read(buff)) != -1) {
jsonResults.append(buff, 0, read);
}
} catch (MalformedURLException e) {
Log.e(LOG_TAG, "Error processing Places API URL", e);
return resultList;
} catch (IOException e) {
Log.e(LOG_TAG, "Error connecting to Places API", e);
return resultList;
} finally {
if (conn != null) {
conn.disconnect();
}
}
try {
// Create a JSON object hierarchy from the results
JSONObject jsonObj = new JSONObject(jsonResults.toString());
JSONArray predsJsonArray = jsonObj.getJSONArray("predictions");
// Extract the Place descriptions from the results
resultList = new ArrayList<MapdataList>(predsJsonArray.length());
for (int i = 0; i < predsJsonArray.length(); i++) {
MapdataList mapData = new MapdataList();
mapData.setPlaceName(predsJsonArray.getJSONObject(i).getString(
"description"));
mapData.setPlaceID(predsJsonArray.getJSONObject(i).getString(
"place_id"));
resultList.add(mapData);
// resultList.add(predsJsonArray.getJSONObject(i).getString(
// "description"));
// resultList.add(1,predsJsonArray.getJSONObject(i).getString(
// "place_id"));
}
} catch (JSONException e) {
Log.e(LOG_TAG, "Cannot process JSON results", e);
}
return resultList;
}
}
`
public class TestMapAutocomplete extends Activity {
PlacesAutoCompleteAdapter obj;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_test_map_autocomplete);
AutoCompleteTextView YY = (AutoCompleteTextView) findViewById(R.id.Google_autoCompleteTextView1);
obj = new PlacesAutoCompleteAdapter(this, R.layout.google_list_items);
YY.setAdapter(obj);
YY.setOnItemClickListener(getPlaceId);
}
public OnItemClickListener getPlaceId = new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position,
long id) {
// TODO Auto-generated method stub
// int dd= (Integer) parent.getItemAtPosition(position);
String mcityselect = obj.mthod(position);
// String mcityselect = (String) parent.getItemAtPosition(position);
String mcityccselect = (String) parent.getItemAtPosition(position);
}
};
}
它的工作......像这样创建服务器密钥并允许所有然后在android中使用autoacmpltere在google api控制台中创建一个服务器密钥并允许所有然后在权限中启用google feture
它的工作兄弟试试这个....