Examples with LatLngBounds com.google.android.gms.maps.model.LatLngBounds used on opensource projects

Example 11 with LatLngBounds

use of com.google.android.gms.maps.model.LatLngBounds in project iNaturalistAndroid by inaturalist.

the class ExploreActivity method zoomMapToPlace.

private void zoomMapToPlace(JSONObject place) {
    if (place == null)
        return;
    GeoJsonLayer layer = getGeoJsonLayer(place.optJSONObject("bounding_box_geojson"));
    String location = place.optString("location");
    CameraUpdate cameraUpdate = null;
    if (layer != null) {
        LatLngBounds bounds = layer.getBoundingBox();
        if (bounds == null) {
            LatLngBounds.Builder builder = LatLngBounds.builder();
            for (GeoJsonFeature f : layer.getFeatures()) {
                if (f.getGeometry() instanceof GeoJsonPolygon) {
                    GeoJsonPolygon polygon = (GeoJsonPolygon) f.getGeometry();
                    for (List<LatLng> coordsList : polygon.getCoordinates()) {
                        for (LatLng coords : coordsList) {
                            builder.include(coords);
                        }
                    }
                }
            }
            bounds = builder.build();
        }
        mLastMapBounds = bounds;
        cameraUpdate = CameraUpdateFactory.newLatLngBounds(bounds, 0);
    } else if (location != null) {
        String[] parts = location.split(",");
        LatLng latlng = new LatLng(Double.valueOf(parts[0]), Double.valueOf(parts[1]));
        cameraUpdate = CameraUpdateFactory.newLatLngZoom(latlng, MY_LOCATION_ZOOM_LEVEL);
    }
    if (cameraUpdate != null) {
        mMapMoved = false;
        mObservationsMap.moveCamera(cameraUpdate);
    }
}

Example 12 with LatLngBounds

use of com.google.android.gms.maps.model.LatLngBounds in project iNaturalistAndroid by inaturalist.

the class ExploreActivity method refreshObservations.

private void refreshObservations() {
    if (mLoadingObservationsGrid == null) {
        // View hasn't loaded yet
        return;
    }
    refreshFilterBar(mObservationsGridFilterBar);
    refreshFilterBar(mObservationsMapFilterBar);
    mObservationsGrid.setOnItemClickListener(new AdapterView.OnItemClickListener() {

        @Override
        public void onItemClick(AdapterView<?> arg0, View view, int position, long arg3) {
            JSONObject item = (JSONObject) view.getTag();
            Intent intent = new Intent(ExploreActivity.this, ObservationViewerActivity.class);
            intent.putExtra("observation", item.toString());
            intent.putExtra("read_only", true);
            intent.putExtra("reload", true);
            startActivityForResult(intent, VIEW_OBSERVATION_REQUEST_CODE);
            try {
                JSONObject eventParams = new JSONObject();
                eventParams.put(AnalyticsClient.EVENT_PARAM_VIA, AnalyticsClient.EVENT_VALUE_EXPLORE_GRID);
                AnalyticsClient.getInstance().logEvent(AnalyticsClient.EVENT_NAME_NAVIGATE_OBS_DETAILS, eventParams);
            } catch (JSONException e) {
                e.printStackTrace();
            }
        }
    });
    if (mTotalResults[VIEW_TYPE_OBSERVATIONS] == NOT_LOADED) {
        if (mObservationsViewMode == OBSERVATIONS_VIEW_MODE_GRID) {
            mLoadingObservationsGrid.setVisibility(View.VISIBLE);
        } else {
            mLoadingObservationsGrid.setVisibility(View.GONE);
        }
        mObservationsGrid.setVisibility(View.GONE);
        mObservationsGridEmpty.setVisibility(View.GONE);
        mObservationsMapContainer.setVisibility(View.GONE);
    } else {
        mLoadingObservationsGrid.setVisibility(View.GONE);
        if (mResults[VIEW_TYPE_OBSERVATIONS].size() == 0) {
            mObservationsGridEmpty.setVisibility(View.VISIBLE);
        } else {
            mObservationsGridEmpty.setVisibility(View.GONE);
        }
        Runnable setObsInGrid = new Runnable() {

            @Override
            public void run() {
                if ((mGridAdapter != null) && (mCurrentResultsPage[VIEW_TYPE_OBSERVATIONS] > 1)) {
                    // New results appended - don't reload the entire adapter
                    mGridAdapter.notifyDataSetChanged();
                } else if (mObservationsGrid.getColumnWidth() > 0) {
                    mGridAdapter = new ObservationGridAdapter(ExploreActivity.this, mObservationsGrid.getColumnWidth(), mResults[VIEW_TYPE_OBSERVATIONS]);
                    mObservationsGrid.setAdapter(mGridAdapter);
                } else if (mObservationsGrid.getColumnWidth() == 0) {
                    mObservationsGrid.postDelayed(this, 100);
                }
            }
        };
        mObservationsGrid.post(setObsInGrid);
        mObservationsGrid.setVisibility(View.VISIBLE);
    }
    loadListViewOffset(mObservationsGrid, getIntent().getExtras(), "mList" + VIEW_TYPE_OBSERVATIONS);
    mObservationsGrid.setOnScrollListener(new AbsListView.OnScrollListener() {

        @Override
        public void onScroll(AbsListView view, int firstVisibleItem, int visibleItemCount, int totalItemCount) {
            if ((firstVisibleItem + visibleItemCount >= totalItemCount - 9) && (totalItemCount > 0)) {
                // The end has been reached - load more observations
                loadNextResultsPage(VIEW_TYPE_OBSERVATIONS, false);
            }
        }

        @Override
        public void onScrollStateChanged(AbsListView view, int scrollState) {
        }
    });
    if (mObservationsViewMode == OBSERVATIONS_VIEW_MODE_GRID) {
        mObservationsViewModeGrid.setSelected(true);
        mObservationsViewModeGrid.setColorFilter(Color.parseColor("#ffffff"));
        mObservationsViewModeMap.setSelected(false);
        mObservationsViewModeMap.setColorFilter(Color.parseColor("#676767"));
        mLoadingObservationsGrid.setVisibility(View.VISIBLE);
        mObservationsMapContainer.setVisibility(View.GONE);
    } else {
        mObservationsViewModeGrid.setSelected(false);
        mObservationsViewModeGrid.setColorFilter(Color.parseColor("#676767"));
        mObservationsViewModeMap.setSelected(true);
        mObservationsViewModeMap.setColorFilter(Color.parseColor("#ffffff"));
        mLoadingObservationsGrid.setVisibility(View.GONE);
        mObservationsMapContainer.setVisibility(View.VISIBLE);
        mMapHide.setVisibility(View.GONE);
        mObservationsGrid.setVisibility(View.GONE);
        mObservationsGridEmpty.setVisibility(View.GONE);
    }
    mObservationsViewModeGrid.setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View v) {
            mObservationsViewMode = OBSERVATIONS_VIEW_MODE_GRID;
            refreshObservations();
        }
    });
    mObservationsViewModeMap.setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View v) {
            mObservationsViewMode = OBSERVATIONS_VIEW_MODE_MAP;
            refreshObservations();
        }
    });
    mObservationsChangeMapLayers.setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View v) {
            if (mObservationsMapType == GoogleMap.MAP_TYPE_SATELLITE) {
                mObservationsMapType = GoogleMap.MAP_TYPE_TERRAIN;
            } else {
                mObservationsMapType = GoogleMap.MAP_TYPE_SATELLITE;
            }
            refreshMapType();
        }
    });
    refreshMapType();
    mRedoObservationsSearch.setVisibility(mMapMoved ? View.VISIBLE : View.GONE);
    mPerformingSearch.setVisibility(mLoadingNextResults[VIEW_TYPE_OBSERVATIONS] ? View.VISIBLE : View.GONE);
    mRedoObservationSearchIcon.setVisibility(mLoadingNextResults[VIEW_TYPE_OBSERVATIONS] ? View.GONE : View.VISIBLE);
    mRedoObservationsSearchText.setTextColor(mLoadingNextResults[VIEW_TYPE_OBSERVATIONS] ? Color.parseColor("#8A000000") : Color.parseColor("#000000"));
    mRedoObservationsSearch.setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View v) {
            // Re-search under the current map bounds
            VisibleRegion vr = mObservationsMap.getProjection().getVisibleRegion();
            LatLngBounds bounds = new LatLngBounds(new LatLng(vr.nearLeft.latitude, vr.farLeft.longitude), new LatLng(vr.farRight.latitude, vr.farRight.longitude));
            mSearchFilters.mapBounds = bounds;
            // Clear out the place (search by map bounds only)
            mSearchFilters.place = null;
            if ((mLastMapBounds != null) && (mInitialLocationBounds != null) && (mLastMapBounds.equals(mInitialLocationBounds) == true)) {
                mSearchFilters.isCurrentLocation = true;
            } else {
                mSearchFilters.isCurrentLocation = false;
            }
            resetResults(true);
            loadAllResults();
            mPerformingSearch.setVisibility(View.VISIBLE);
            mRedoObservationSearchIcon.setVisibility(View.GONE);
            mRedoObservationsSearchText.setTextColor(Color.parseColor("#8A000000"));
        }
    });
    if (mSearchFilters.place != null) {
        // Show the boundaries/border of the place on the map
        addPlaceLayerToMap(mSearchFilters.place);
    }
    // Set the tile overlay (for the taxon's observations map)
    TileProvider tileProvider = new UrlTileProvider(256, 256) {

        @Override
        public URL getTileUrl(int x, int y, int zoom) {
            String s = String.format(INaturalistService.API_HOST + "/%s/%d/%d/%d.png?%s", zoom <= 9 ? "colored_heatmap" : "points", zoom, x, y, mSearchFilters.toUrlQueryString());
            try {
                return new URL(s);
            } catch (MalformedURLException e) {
                throw new AssertionError(e);
            }
        }
    };
    if (mObservationsMap != null) {
        TileOverlay tileOverlay = mObservationsMap.addTileOverlay(new TileOverlayOptions().tileProvider(tileProvider));
    }
}

Example 13 with LatLngBounds

use of com.google.android.gms.maps.model.LatLngBounds in project iNaturalistAndroid by inaturalist.

the class ExploreSearchFilters method readObject.

private void readObject(ObjectInputStream ois) throws ClassNotFoundException, IOException {
    ois.defaultReadObject();
    try {
        user = userJson != null ? new JSONObject(userJson) : null;
        project = projectJson != null ? new JSONObject(projectJson) : null;
        place = placeJson != null ? new JSONObject(placeJson) : null;
        taxon = taxonJson != null ? new JSONObject(taxonJson) : null;
    } catch (JSONException e) {
        e.printStackTrace();
    }
    if (ois.available() > 0) {
        mapBounds = new LatLngBounds(new LatLng(ois.readDouble(), ois.readDouble()), new LatLng(ois.readDouble(), ois.readDouble()));
    }
}

Example 14 with LatLngBounds

use of com.google.android.gms.maps.model.LatLngBounds in project android-samples by googlemaps.

the class TagsDemoActivity method onMapReady.

@Override
public void onMapReady(GoogleMap map) {
    mMap = map;
    UiSettings mUiSettings = mMap.getUiSettings();
    // Turn off the map toolbar.
    mUiSettings.setMapToolbarEnabled(false);
    // Disable interaction with the map - other than clicking.
    mUiSettings.setZoomControlsEnabled(false);
    mUiSettings.setScrollGesturesEnabled(false);
    mUiSettings.setZoomGesturesEnabled(false);
    mUiSettings.setTiltGesturesEnabled(false);
    mUiSettings.setRotateGesturesEnabled(false);
    // Add a circle, a ground overlay, a marker, a polygon and a polyline to the map.
    addObjectsToMap();
    // Set listeners for click events.  See the bottom of this class for their behavior.
    mMap.setOnCircleClickListener(this);
    mMap.setOnGroundOverlayClickListener(this);
    mMap.setOnMarkerClickListener(this);
    mMap.setOnPolygonClickListener(this);
    mMap.setOnPolylineClickListener(this);
    // Override the default content description on the view, for accessibility mode.
    // Ideally this string would be localised.
    map.setContentDescription(getString(R.string.tags_demo_map_description));
    // Create bounds that include all locations of the map.
    LatLngBounds bounds = new LatLngBounds.Builder().include(ADELAIDE).include(BRISBANE).include(DARWIN).include(HOBART).include(PERTH).include(SYDNEY).build();
    mMap.moveCamera(CameraUpdateFactory.newLatLngBounds(bounds, 100));
}

Example 15 with LatLngBounds

use of com.google.android.gms.maps.model.LatLngBounds in project android-samples by googlemaps.

the class MarkerDemoActivity method onMapReady.

@Override
public void onMapReady(GoogleMap map) {
    mMap = map;
    // Hide the zoom controls as the button panel will cover it.
    mMap.getUiSettings().setZoomControlsEnabled(false);
    // Add lots of markers to the map.
    addMarkersToMap();
    // Setting an info window adapter allows us to change the both the contents and look of the
    // info window.
    mMap.setInfoWindowAdapter(new CustomInfoWindowAdapter());
    // Set listeners for marker events.  See the bottom of this class for their behavior.
    mMap.setOnMarkerClickListener(this);
    mMap.setOnInfoWindowClickListener(this);
    mMap.setOnMarkerDragListener(this);
    mMap.setOnInfoWindowCloseListener(this);
    mMap.setOnInfoWindowLongClickListener(this);
    // Override the default content description on the view, for accessibility mode.
    // Ideally this string would be localised.
    mMap.setContentDescription("Map with lots of markers.");
    LatLngBounds bounds = new LatLngBounds.Builder().include(PERTH).include(SYDNEY).include(ADELAIDE).include(BRISBANE).include(MELBOURNE).include(DARWIN).build();
    mMap.moveCamera(CameraUpdateFactory.newLatLngBounds(bounds, 50));
}