My mock markers array is:
/**
* @return
* @TODO - Mock markers in maps
*/
private JSONArray mockMarkersArray() {
JSONObject myMarkerOne = new JSONObject();
try {
myMarkerOne.put("id", 1);
myMarkerOne.put("title", "Shopping Estação");
myMarkerOne.put("desc", "Localizado em uma antiga estação ferroviária,
foi inaugurado em 1997 e ...");
myMarkerOne.put("type", "shopping");
myMarkerOne.put("latLng", "-25.4381796,-49.2664607");
} catch (JSONException e) {
e.printStackTrace();
}
JSONObject myMarkerTwo = new JSONObject();
try {
myMarkerTwo.put("id", 2);
myMarkerTwo.put("title", "Câmara Municipal de Curitiba");
myMarkerTwo.put("desc", "");
myMarkerTwo.put("type", "administ");
myMarkerTwo.put("latLng", "-25.4362749,-49.2666494");
} catch (JSONException e) {
e.printStackTrace();
}
JSONObject myMarkerThree = new JSONObject();
try {
myMarkerThree.put("id", 3);
myMarkerThree.put("title", "Hostel Roma");
myMarkerThree.put("desc", "Hotel de 1 estrela. Reserve o seu quarto!");
myMarkerThree.put("type", "accomod");
myMarkerThree.put("latLng", "-25.4369412,-49.2659414");
} catch (JSONException e) {
e.printStackTrace();
}
JSONObject myMarkerFour = new JSONObject();
try {
myMarkerFour.put("id", 4);
myMarkerFour.put("title", "Slaviero Conceptual Rockefeller");
myMarkerFour.put("desc", "Classificado entre os 10% dos melhores hotéis
desta área.");
myMarkerFour.put("type", "accomod");
myMarkerFour.put("latLng", "-25.4383619,-49.2653989");
} catch (JSONException e) {
e.printStackTrace();
}
JSONObject myMarkerFive = new JSONObject();
try {
myMarkerFive.put("id", 5);
myMarkerFive.put("title", "Queen's Snooker Burger Bar");
myMarkerFive.put("desc", "");
myMarkerFive.put("type", "bar");
myMarkerFive.put("latLng", "-25.4341294,-49.2665008");
} catch (JSONException e) {
e.printStackTrace();
}
JSONObject myMarkerSix = new JSONObject();
try {
myMarkerSix.put("id", 6);
myMarkerSix.put("title", "Bradesco");
myMarkerSix.put("desc", "");
myMarkerSix.put("type", "bank");
myMarkerSix.put("latLng", "-25.4381796,-49.2664607");
} catch (JSONException e) {
e.printStackTrace();
}
JSONObject myMarkerSeven = new JSONObject();
try {
myMarkerSeven.put("id", 7);
myMarkerSeven.put("title", "Veterinária Prado");
myMarkerSeven.put("desc", "");
myMarkerSeven.put("type", "petshop");
myMarkerSeven.put("latLng", "-25.4367331,-49.2649339");
} catch (JSONException e) {
e.printStackTrace();
}
JSONObject myMarkerEight = new JSONObject();
try {
myMarkerEight.put("id", 8);
myMarkerEight.put("title", "Praça Eufrásio Correia");
myMarkerEight.put("desc", "");
myMarkerEight.put("type", "square");
myMarkerEight.put("latLng", "-25.4367893,-49.2670166");
} catch (JSONException e) {
e.printStackTrace();
}
JSONObject myMarkerNine = new JSONObject();
try {
myMarkerNine.put("id", 9);
myMarkerNine.put("title", "CM Shop");
myMarkerNine.put("desc", "");
myMarkerNine.put("type", "techcel");
myMarkerNine.put("latLng", "-25.4372394,-49.2690715");
} catch (JSONException e) {
e.printStackTrace();
}
JSONArray myMarkers = new JSONArray();
try {
myMarkers.put(0, myMarkerOne);
myMarkers.put(1, myMarkerTwo);
myMarkers.put(2, myMarkerThree);
myMarkers.put(3, myMarkerFour);
myMarkers.put(4, myMarkerFive);
myMarkers.put(5, myMarkerSix);
myMarkers.put(6, myMarkerSeven);
myMarkers.put(7, myMarkerEight);
myMarkers.put(8, myMarkerNine);
} catch (JSONException e) {
e.printStackTrace();
}
return myMarkers;
}
At this point I tried to remove the items I did not want but then I could
see that not all items are removed on the first click, so I need to create
an arraylist and just add the items I need to show on the map.
Em quarta-feira, 23 de novembro de 2016 22:22:42 UTC-2, Francis Rodrigues
escreveu:
>
> Hi guys!
>
> I created an array of items, each item represents a type of establishment
> that will be displayed on the map.
> What I need is to filter the items according to the button clicked, and
> this is where the problem comes from,
> since I have to call the onMapReady () method again, and I do not know if
> this is a good practice.
>
> For more information, look at Android Maps API:
>
> https://developers.google.com/maps/documentation/android-api/
>
>
> /**
> * Runs when a GoogleApiClient object successfully connects
> *
> * @param bundle
> */
> @Override
> public void onConnected(@Nullable Bundle bundle) {
> //@TODO --> MOCK my currently location
> mLastLocation.setLatitude(-25.4370264);
> mLastLocation.setLongitude(-49.2677954);
>
> if (mLastLocation != null) {
> // Determine whether a Geocoder is available.
> if (!Geocoder.isPresent()) {
> showToast(getString(R.string.no_geocoder_available));
> return;
> }
>
> mLocationRequested = true;
>
> if (mLocationRequested) {
> //@TODO - Add a marker array[], and move the camera for close to
> me.
> mMarkers = mockMarkersArray();
> mButtonFilter = null;
>
> showCoordinatesInMap();
> }
> }
> }
>
>
>
> /**
> *
> */
> private void showCoordinatesInMap() {
> mMapFragment.getMapAsync(this);
> }
>
>
>
> /**
> * Draw Google Maps.
> *
> * @param googleMap
> */
> @Override
> public void onMapReady(GoogleMap googleMap) {
> if (ActivityCompat.checkSelfPermission(getApplicationContext(),
> android.Manifest.permission.ACCESS_FINE_LOCATION) !=
> PackageManager.PERMISSION_GRANTED &&
> ActivityCompat.checkSelfPermission(getApplicationContext(),
> android.Manifest.permission.ACCESS_COARSE_LOCATION) !=
> PackageManager.PERMISSION_GRANTED) {
> // TODO: Consider calling
> // ActivityCompat#requestPermissions
> // here to request the missing permissions, and then overriding
> // public void onRequestPermissionsResult(int requestCode, String[]
> permissions,
> // int[] grantResults)
> // to handle the case where the user grants the permission. See the
> documentation
> // for ActivityCompat#requestPermissions for more details.
> return;
> }
> googleMap.setMyLocationEnabled(true);
> googleMap.setOnMarkerClickListener(this);
> googleMap.setOnInfoWindowClickListener(this);
> googleMap.setOnInfoWindowCloseListener(this);
>
> if (mMarkers.length() > 0) {
> mAccomodButton.setOnClickListener(this);
>
> loopMarkers(googleMap);
> }
>
> //@TODO - Zooming in on the map by focusing on my currently position.
> LatLng currentlyPosition = new LatLng(mLastLocation.getLatitude(),
> mLastLocation.getLongitude());
> googleMap.moveCamera(CameraUpdateFactory.newLatLngZoom(currentlyPosition,
> 18));
> }
>
>
>
> /**
> * Loop of activities with markers.
> *
> * @param googleMap
> */
> private void loopMarkers(GoogleMap googleMap) {
> mGoogleMap = googleMap;
>
> for (int i = 0; i < mMarkers.length(); i++) {
> try {
> JSONObject marker = mMarkers.getJSONObject(i);
> String[] latLng = marker.getString("latLng").split(",");
> double lat = Double.parseDouble(latLng[0]);
> double lng = Double.parseDouble(latLng[1]);
>
> LatLng position = new LatLng(lat, lng);
>
> float distanceInMeters = calcDistanceToMarker(i, position);
>
> drawMarker(googleMap, marker, position);
>
> // showToast("Distance with " + marker.getString("title") + "
> is: " + distanceInMeters + "m");
> } catch (JSONException e) {
> e.printStackTrace();
> }
> }
> }
>
>
>
> /**
> * Drawing each marker on the map.
> *
> * @param googleMap
> * @param marker
> * @param position
> * @throws JSONException
> */
> private void drawMarker(GoogleMap googleMap, JSONObject marker, LatLng
> position) throws JSONException {
> googleMap.addMarker(new MarkerOptions()
> .title(marker.getString("title"))
> .snippet(marker.getString("desc"))
> .position(position)
> );
> }
>
>
>
> /**
> * @param filter
> * @return
> */
> @Nullable
> private JSONArray filterMarkersByType(String filter) {
> if (mMarkers.length() > 0) {
> for (int i = 0; i < mMarkers.length(); i++) {
> try {
> JSONObject marker = mMarkers.getJSONObject(i);
>
> if (filter != null) {
> if (! marker.getString("type").equals(filter)) {
>
> Log.d("DEBUG", "============");
> Log.d("DEBUG", "Marker title: " +
> marker.getString("title"));
> Log.d("DEBUG", "Marker desc: " +
> marker.getString("desc"));
> Log.d("DEBUG", "Marker type: " +
> marker.getString("type"));
> Log.d("DEBUG", "============");
>
> mMarkers.remove(i);
> }
> }
>
> } catch (JSONException e) {
> e.printStackTrace();
> }
> }
>
> return mMarkers;
> }
>
> return null;
> }
>
>
>
> /**
> * Button click event.
> *
> * @param v
> */
> @Override
> public void onClick(View v) {
> switch (v.getId()) {
> case R.id.accomod_button:
>
> filterMarkersByType("accomod");
>
> mGoogleMap.clear();
> onMapReady(mGoogleMap);
> // loopMarkers(mGoogleMap);
>
> break;
> }
> }
>
>
>
>
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