![{
"results" : [
{
"address_components" : [
{
"long_name" : "277",
"short_name" : "277",
"types" : [ "street_number" ]
},
{
"long_name" : "Bedford Avenue",
"short_name" : "Bedford Ave",
"types" : [ "route" ]
},
... trimmed ...
],
"formatted_address" : "277 Bedford Avenue, Brooklyn, NY 11211, USA",
"geometry" : {
"location" : {
"lat" : 40.714232,
"lng" : -73.9612889
Reverse Geocoding - Result](https://image.slidesharecdn.com/creatinganuberclone-partxvii-220804064758-cf2506ff/85/Creating-an-Uber-Clone-Part-XVII-pdf-6-320.jpg)
![{
"results" : [
{
"address_components" : [
{
"long_name" : "277",
"short_name" : "277",
"types" : [ "street_number" ]
},
{
"long_name" : "Bedford Avenue",
"short_name" : "Bedford Ave",
"types" : [ "route" ]
},
... trimmed ...
],
"formatted_address" : "277 Bedford Avenue, Brooklyn, NY 11211, USA",
"geometry" : {
"location" : {
"lat" : 40.714232,
"lng" : -73.9612889
Reverse Geocoding - Result](https://image.slidesharecdn.com/creatinganuberclone-partxvii-220804064758-cf2506ff/85/Creating-an-Uber-Clone-Part-XVII-pdf-7-320.jpg)
![{
"predictions" : [
{
"description" : "Levinsky, Tel Aviv-Yafo, Israel",
"id" : "13fd8422602e10c4a7be775c88280b383a15f368",
"matched_substrings" : [
{
"length" : 3,
"offset" : 0
}
],
"structured_formatting" : {
"main_text" : "Levinsky",
"main_text_matched_substrings" : [
{
"length" : 3,
"offset" : 0
}
],
"secondary_text" : "Tel Aviv-Yafo, Israel"
},
"place_id" : "Eh9MZXZpbnNreSwgVGVsIEF2aXYtWWFmbywgSXNyYWVs",
"reference" : "-pQdrYHivUaFGV9GwZkfwp4xkjUL2Z2mpGNXJBv",
Places Autocomplete - Result](https://image.slidesharecdn.com/creatinganuberclone-partxvii-220804064758-cf2506ff/85/Creating-an-Uber-Clone-Part-XVII-pdf-16-320.jpg)
![{
"predictions" : [
{
"description" : "Levinsky, Tel Aviv-Yafo, Israel",
"id" : "13fd8422602e10c4a7be775c88280b383a15f368",
"matched_substrings" : [
{
"length" : 3,
"offset" : 0
}
],
"structured_formatting" : {
"main_text" : "Levinsky",
"main_text_matched_substrings" : [
{
"length" : 3,
"offset" : 0
}
],
"secondary_text" : "Tel Aviv-Yafo, Israel"
},
"place_id" : "Eh9MZXZpbnNreSwgVGVsIEF2aXYtWWFmbywgSXNyYWVs",
"reference" : "-pQdrYHivUaFGV9GwZkfwp4xkjUL2Z2mpGNXJBv",
Places Autocomplete - Result](https://image.slidesharecdn.com/creatinganuberclone-partxvii-220804064758-cf2506ff/85/Creating-an-Uber-Clone-Part-XVII-pdf-17-320.jpg)
![{
"predictions" : [
{
"description" : "Levinsky, Tel Aviv-Yafo, Israel",
"id" : "13fd8422602e10c4a7be775c88280b383a15f368",
"matched_substrings" : [
{
"length" : 3,
"offset" : 0
}
],
"structured_formatting" : {
"main_text" : "Levinsky",
"main_text_matched_substrings" : [
{
"length" : 3,
"offset" : 0
}
],
"secondary_text" : "Tel Aviv-Yafo, Israel"
},
"place_id" : "Eh9MZXZpbnNreSwgVGVsIEF2aXYtWWFmbywgSXNyYWVs",
"reference" : "-pQdrYHivUaFGV9GwZkfwp4xkjUL2Z2mpGNXJBv",
Places Autocomplete - Result](https://image.slidesharecdn.com/creatinganuberclone-partxvii-220804064758-cf2506ff/85/Creating-an-Uber-Clone-Part-XVII-pdf-18-320.jpg)
![{
"predictions" : [
{
"description" : "Levinsky, Tel Aviv-Yafo, Israel",
"id" : "13fd8422602e10c4a7be775c88280b383a15f368",
"matched_substrings" : [
{
"length" : 3,
"offset" : 0
}
],
"structured_formatting" : {
"main_text" : "Levinsky",
"main_text_matched_substrings" : [
{
"length" : 3,
"offset" : 0
}
],
"secondary_text" : "Tel Aviv-Yafo, Israel"
},
"place_id" : "Eh9MZXZpbnNreSwgVGVsIEF2aXYtWWFmbywgSXNyYWVs",
"reference" : "-pQdrYHivUaFGV9GwZkfwp4xkjUL2Z2mpGNXJBv",
Places Autocomplete - Result](https://image.slidesharecdn.com/creatinganuberclone-partxvii-220804064758-cf2506ff/85/Creating-an-Uber-Clone-Part-XVII-pdf-19-320.jpg)
Creating an Uber Clone - Part XVII.pdf
- 1. Creating an Uber Clone - Part XVII
- 2. WebServices from the Device? ✦I took a shortcut and chose to invoke the Google webservices from the device ✦The reason I did this is that I want to teach mobile programming not server programming ✦Google API keys would be more secure in the server ✦We can cache common queries in the server and reduce API costs ✦We can monitor the calls sent out and identify trends ✦We can instantly switch providers without shipping a new version of the app © Codename One 2017 all rights reserved
- 3. Googles GIS Services ✦Geocoding ✦Reverse Geocoding ✦Directions ✦Places Autocomplete © Codename One 2017 all rights reserved
- 4. public static final String GOOGLE_DIRECTIONS_KEY = "----"; public static final String GOOGLE_GEOCODING_KEY = "----"; public static final String GOOGLE_PLACES_KEY = "----"; New Fields in Globals
- 6. { "results" : [ { "address_components" : [ { "long_name" : "277", "short_name" : "277", "types" : [ "street_number" ] }, { "long_name" : "Bedford Avenue", "short_name" : "Bedford Ave", "types" : [ "route" ] }, ... trimmed ... ], "formatted_address" : "277 Bedford Avenue, Brooklyn, NY 11211, USA", "geometry" : { "location" : { "lat" : 40.714232, "lng" : -73.9612889 Reverse Geocoding - Result
- 7. { "results" : [ { "address_components" : [ { "long_name" : "277", "short_name" : "277", "types" : [ "street_number" ] }, { "long_name" : "Bedford Avenue", "short_name" : "Bedford Ave", "types" : [ "route" ] }, ... trimmed ... ], "formatted_address" : "277 Bedford Avenue, Brooklyn, NY 11211, USA", "geometry" : { "location" : { "lat" : 40.714232, "lng" : -73.9612889 Reverse Geocoding - Result
- 8. public class SearchService { private static ConnectionRequest lastLocationRequest; public static void nameMyCurrentLocation(Location l, SuccessCallback<String> name) { if(l == null) { return; } if(lastLocationRequest != null) { lastLocationRequest.kill(); } lastLocationRequest = Rest.get("https://maps.googleapis.com/maps/api/geocode/json"). queryParam("latlng", l.getLatitude() + "," + l.getLongitude()). queryParam("key", GOOGLE_GEOCODING_KEY). queryParam("language", "en"). queryParam("result_type", "street_address|point_of_interest"). getAsJsonMap(callbackMap -> { Map data = callbackMap.getResponseData(); if(data != null) { List results = (List)data.get("results"); if(results != null && results.size() > 0) { Map firstResult = (Map)results.get(0); name.onSucess((String)firstResult.get("formatted_address")); } } }); } SearchService
- 9. public class SearchService { private static ConnectionRequest lastLocationRequest; public static void nameMyCurrentLocation(Location l, SuccessCallback<String> name) { if(l == null) { return; } if(lastLocationRequest != null) { lastLocationRequest.kill(); } lastLocationRequest = Rest.get("https://maps.googleapis.com/maps/api/geocode/json"). queryParam("latlng", l.getLatitude() + "," + l.getLongitude()). queryParam("key", GOOGLE_GEOCODING_KEY). queryParam("language", "en"). queryParam("result_type", "street_address|point_of_interest"). getAsJsonMap(callbackMap -> { Map data = callbackMap.getResponseData(); if(data != null) { List results = (List)data.get("results"); if(results != null && results.size() > 0) { Map firstResult = (Map)results.get(0); name.onSucess((String)firstResult.get("formatted_address")); } } }); } SearchService
- 10. public class SearchService { private static ConnectionRequest lastLocationRequest; public static void nameMyCurrentLocation(Location l, SuccessCallback<String> name) { if(l == null) { return; } if(lastLocationRequest != null) { lastLocationRequest.kill(); } lastLocationRequest = Rest.get("https://maps.googleapis.com/maps/api/geocode/json"). queryParam("latlng", l.getLatitude() + "," + l.getLongitude()). queryParam("key", GOOGLE_GEOCODING_KEY). queryParam("language", "en"). queryParam("result_type", "street_address|point_of_interest"). getAsJsonMap(callbackMap -> { Map data = callbackMap.getResponseData(); if(data != null) { List results = (List)data.get("results"); if(results != null && results.size() > 0) { Map firstResult = (Map)results.get(0); name.onSucess((String)firstResult.get("formatted_address")); } } }); } SearchService
- 11. public class SearchService { private static ConnectionRequest lastLocationRequest; public static void nameMyCurrentLocation(Location l, SuccessCallback<String> name) { if(l == null) { return; } if(lastLocationRequest != null) { lastLocationRequest.kill(); } lastLocationRequest = Rest.get("https://maps.googleapis.com/maps/api/geocode/json"). queryParam("latlng", l.getLatitude() + "," + l.getLongitude()). queryParam("key", GOOGLE_GEOCODING_KEY). queryParam("language", "en"). queryParam("result_type", "street_address|point_of_interest"). getAsJsonMap(callbackMap -> { Map data = callbackMap.getResponseData(); if(data != null) { List results = (List)data.get("results"); if(results != null && results.size() > 0) { Map firstResult = (Map)results.get(0); name.onSucess((String)firstResult.get("formatted_address")); } } }); } SearchService
- 12. public class SearchService { private static ConnectionRequest lastLocationRequest; public static void nameMyCurrentLocation(Location l, SuccessCallback<String> name) { if(l == null) { return; } if(lastLocationRequest != null) { lastLocationRequest.kill(); } lastLocationRequest = Rest.get("https://maps.googleapis.com/maps/api/geocode/json"). queryParam("latlng", l.getLatitude() + "," + l.getLongitude()). queryParam("key", GOOGLE_GEOCODING_KEY). queryParam("language", "en"). queryParam("result_type", "street_address|point_of_interest"). getAsJsonMap(callbackMap -> { Map data = callbackMap.getResponseData(); if(data != null) { List results = (List)data.get("results"); if(results != null && results.size() > 0) { Map firstResult = (Map)results.get(0); name.onSucess((String)firstResult.get("formatted_address")); } } }); } SearchService
- 13. public class SearchService { private static ConnectionRequest lastLocationRequest; public static void nameMyCurrentLocation(Location l, SuccessCallback<String> name) { if(l == null) { return; } if(lastLocationRequest != null) { lastLocationRequest.kill(); } lastLocationRequest = Rest.get("https://maps.googleapis.com/maps/api/geocode/json"). queryParam("latlng", l.getLatitude() + "," + l.getLongitude()). queryParam("key", GOOGLE_GEOCODING_KEY). queryParam("language", "en"). queryParam("result_type", "street_address|point_of_interest"). getAsJsonMap(callbackMap -> { Map data = callbackMap.getResponseData(); if(data != null) { List results = (List)data.get("results"); if(results != null && results.size() > 0) { Map firstResult = (Map)results.get(0); name.onSucess((String)firstResult.get("formatted_address")); } } }); } SearchService
- 14. public class SearchService { private static ConnectionRequest lastLocationRequest; public static void nameMyCurrentLocation(Location l, SuccessCallback<String> name) { if(l == null) { return; } if(lastLocationRequest != null) { lastLocationRequest.kill(); } lastLocationRequest = Rest.get("https://maps.googleapis.com/maps/api/geocode/json"). queryParam("latlng", l.getLatitude() + "," + l.getLongitude()). queryParam("key", GOOGLE_GEOCODING_KEY). queryParam("language", "en"). queryParam("result_type", "street_address|point_of_interest"). getAsJsonMap(callbackMap -> { Map data = callbackMap.getResponseData(); if(data != null) { List results = (List)data.get("results"); if(results != null && results.size() > 0) { Map firstResult = (Map)results.get(0); name.onSucess((String)firstResult.get("formatted_address")); } } }); } SearchService
- 16. { "predictions" : [ { "description" : "Levinsky, Tel Aviv-Yafo, Israel", "id" : "13fd8422602e10c4a7be775c88280b383a15f368", "matched_substrings" : [ { "length" : 3, "offset" : 0 } ], "structured_formatting" : { "main_text" : "Levinsky", "main_text_matched_substrings" : [ { "length" : 3, "offset" : 0 } ], "secondary_text" : "Tel Aviv-Yafo, Israel" }, "place_id" : "Eh9MZXZpbnNreSwgVGVsIEF2aXYtWWFmbywgSXNyYWVs", "reference" : "-pQdrYHivUaFGV9GwZkfwp4xkjUL2Z2mpGNXJBv", Places Autocomplete - Result
- 17. { "predictions" : [ { "description" : "Levinsky, Tel Aviv-Yafo, Israel", "id" : "13fd8422602e10c4a7be775c88280b383a15f368", "matched_substrings" : [ { "length" : 3, "offset" : 0 } ], "structured_formatting" : { "main_text" : "Levinsky", "main_text_matched_substrings" : [ { "length" : 3, "offset" : 0 } ], "secondary_text" : "Tel Aviv-Yafo, Israel" }, "place_id" : "Eh9MZXZpbnNreSwgVGVsIEF2aXYtWWFmbywgSXNyYWVs", "reference" : "-pQdrYHivUaFGV9GwZkfwp4xkjUL2Z2mpGNXJBv", Places Autocomplete - Result
- 18. { "predictions" : [ { "description" : "Levinsky, Tel Aviv-Yafo, Israel", "id" : "13fd8422602e10c4a7be775c88280b383a15f368", "matched_substrings" : [ { "length" : 3, "offset" : 0 } ], "structured_formatting" : { "main_text" : "Levinsky", "main_text_matched_substrings" : [ { "length" : 3, "offset" : 0 } ], "secondary_text" : "Tel Aviv-Yafo, Israel" }, "place_id" : "Eh9MZXZpbnNreSwgVGVsIEF2aXYtWWFmbywgSXNyYWVs", "reference" : "-pQdrYHivUaFGV9GwZkfwp4xkjUL2Z2mpGNXJBv", Places Autocomplete - Result
- 19. { "predictions" : [ { "description" : "Levinsky, Tel Aviv-Yafo, Israel", "id" : "13fd8422602e10c4a7be775c88280b383a15f368", "matched_substrings" : [ { "length" : 3, "offset" : 0 } ], "structured_formatting" : { "main_text" : "Levinsky", "main_text_matched_substrings" : [ { "length" : 3, "offset" : 0 } ], "secondary_text" : "Tel Aviv-Yafo, Israel" }, "place_id" : "Eh9MZXZpbnNreSwgVGVsIEF2aXYtWWFmbywgSXNyYWVs", "reference" : "-pQdrYHivUaFGV9GwZkfwp4xkjUL2Z2mpGNXJBv", Places Autocomplete - Result
- 20. public static class SuggestionResult { private final String mainText; private final String secondaryText; private final String fullText; private final String placeId; public SuggestionResult(String mainText, String secondaryText, String fullText, String placeId) { this.mainText = mainText; this.secondaryText = secondaryText; this.fullText = fullText; this.placeId = placeId; } public String getPlaceId() { return placeId; } public String getMainText() { return mainText; } public String getSecondaryText() { return secondaryText; } public String getFullText() { return fullText; } SuggestionResult
- 21. public String getMainText() { return mainText; } public String getSecondaryText() { return secondaryText; } public String getFullText() { return fullText; } public void getLocation(SuccessCallback<Location> result) { Rest.get("https://maps.googleapis.com/maps/api/place/details/json"). queryParam("placeid", placeId). queryParam("key", GOOGLE_PLACES_KEY). getAsJsonMap(callbackMap -> { Map r = (Map)callbackMap.getResponseData().get("result"); Map geomMap = (Map)r.get("geometry"); Map locationMap = (Map)geomMap.get("location"); double lat = Util.toDoubleValue(locationMap.get("lat")); double lon = Util.toDoubleValue(locationMap.get("lng")); result.onSucess(new Location(lat, lon)); }); } } SuggestionResult
- 22. private static ConnectionRequest lastSuggestionRequest; private static String lastSuggestionValue; private static final Map<String, List<SuggestionResult>> locationCache = new HashMap<>(); SearchService