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adds a snap to route activity to testapp #286

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Merged
cammace merged 1 commit into from
Jan 26, 2017
Merged

adds a snap to route activity to testapp #286

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7 changes: 7 additions & 0 deletions mapbox/app/src/main/AndroidManifest.xml
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Expand Up @@ -169,6 +169,13 @@
android:name="android.support.PARENT_ACTIVITY"
android:value=".MainActivity"/>
</activity>
<activity
android:name=".nav.SnapToRouteActivity"
android:label="@string/title_snap_to_route">
<meta-data
android:name="android.support.PARENT_ACTIVITY"
android:value=".MainActivity"/>
</activity>

<!--
Service to asynchronously fetch a location address using a Geocoder. Setting the
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6 changes: 6 additions & 0 deletions mapbox/app/src/main/java/com/mapbox/services/android/testapp/MainActivity.java
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Expand Up @@ -27,6 +27,7 @@
import com.mapbox.services.android.testapp.icons.MakiIconsActivity;
import com.mapbox.services.android.testapp.location.LocationEngineActivity;
import com.mapbox.services.android.testapp.nav.OffRouteDetectionActivity;
import com.mapbox.services.android.testapp.nav.SnapToRouteActivity;
import com.mapbox.services.android.testapp.staticimage.StaticImageActivity;
import com.mapbox.services.android.testapp.turf.TurfBearingActivity;
import com.mapbox.services.android.testapp.turf.TurfDestinationActivity;
Expand Down Expand Up @@ -156,6 +157,11 @@ protected void onCreate(Bundle savedInstanceState) {
getString(R.string.title_connectivity),
getString(R.string.description_connectivity),
ConnectivityActivity.class
),
new SampleItem(
getString(R.string.title_snap_to_route),
getString(R.string.description_snap_to_route),
SnapToRouteActivity.class
)
));

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343 changes: 343 additions & 0 deletions mapbox/app/src/main/java/com/mapbox/services/android/testapp/nav/SnapToRouteActivity.java
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package com.mapbox.services.android.testapp.nav;

import android.graphics.Color;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.design.widget.FloatingActionButton;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.view.View;
import android.widget.Toast;

import com.mapbox.mapboxsdk.MapboxAccountManager;
import com.mapbox.mapboxsdk.annotations.Marker;
import com.mapbox.mapboxsdk.annotations.MarkerOptions;
import com.mapbox.mapboxsdk.annotations.Polyline;
import com.mapbox.mapboxsdk.annotations.PolylineOptions;
import com.mapbox.mapboxsdk.geometry.LatLng;
import com.mapbox.mapboxsdk.maps.MapView;
import com.mapbox.mapboxsdk.maps.MapboxMap;
import com.mapbox.mapboxsdk.maps.OnMapReadyCallback;
import com.mapbox.services.Constants;
import com.mapbox.services.android.testapp.R;
import com.mapbox.services.api.ServicesException;
import com.mapbox.services.api.directions.v5.DirectionsCriteria;
import com.mapbox.services.api.directions.v5.MapboxDirections;
import com.mapbox.services.api.directions.v5.models.DirectionsResponse;
import com.mapbox.services.api.directions.v5.models.DirectionsRoute;
import com.mapbox.services.api.navigation.v5.RouteUtils;
import com.mapbox.services.api.utils.turf.TurfException;
import com.mapbox.services.api.utils.turf.TurfMisc;
import com.mapbox.services.commons.geojson.LineString;
import com.mapbox.services.commons.geojson.Point;
import com.mapbox.services.commons.models.Position;
import com.mapbox.services.commons.utils.PolylineUtils;

import java.util.ArrayList;
import java.util.List;

import retrofit2.Call;
import retrofit2.Callback;
import retrofit2.Response;


public class SnapToRouteActivity extends AppCompatActivity implements OnMapReadyCallback, MapboxMap.OnMapClickListener {

private static final String TAG = "SnapToRouteActivity";
private static final Position origin = Position.fromCoordinates(-95.75188, 29.78533);
private static final Position destination = Position.fromCoordinates(-95.71892, 29.77516);

private MapView mapView;
private MapboxMap mapboxMap;
private DirectionsRoute currentRoute;

private Marker userLocation;
private Marker snappedLocation;
private int stepCount = 0;
private Polyline stepPolyline;
private Polyline distancePolyline;
private Polyline distanceRoutePolyline;

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

FloatingActionButton forwardStepFab = (FloatingActionButton) findViewById(R.id.fab_forward_a_step);
FloatingActionButton backStepFab = (FloatingActionButton) findViewById(R.id.fab_back_a_step);

backStepFab.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
if (currentRoute == null || mapboxMap == null) {
return;
}

if (stepCount <= 0) {
Toast.makeText(SnapToRouteActivity.this, "On first step already", Toast.LENGTH_SHORT).show();
return;
}

stepCount--;

drawStepPolyline();
}
});

forwardStepFab.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
if (currentRoute == null || mapboxMap == null) {
return;
}

if (currentRoute.getLegs().get(0).getSteps().size() - 1 <= stepCount) {
Toast.makeText(SnapToRouteActivity.this, "On last step already", Toast.LENGTH_SHORT).show();
return;
}

stepCount++;

drawStepPolyline();
}
});

mapView = (MapView) findViewById(R.id.mapview);
mapView.onCreate(savedInstanceState);
mapView.getMapAsync(this);
}

@Override
public void onMapClick(@NonNull LatLng point) {
if (userLocation != null) {
mapboxMap.removeMarker(userLocation);
}
if (snappedLocation != null) {
mapboxMap.removeMarker(snappedLocation);
}

userLocation = mapboxMap.addMarker(new MarkerOptions()
.position(point)
);

RouteUtils routeUtils = new RouteUtils();
Position snappedPosition = null;

try {
snappedPosition = routeUtils.getSnapToRoute(
Position.fromCoordinates(point.getLongitude(), point.getLatitude()),
currentRoute.getLegs().get(0),
stepCount
);
} catch (ServicesException | TurfException exception) {
exception.printStackTrace();
Log.e(TAG, "snap to route util: " + exception.getMessage());
}

if (snappedPosition == null) {
Log.i(TAG, "snapPosition is null");
return;
}

snappedLocation = mapboxMap.addMarker(new MarkerOptions()
.position(new LatLng(snappedPosition.getLatitude(), snappedPosition.getLongitude()))
);

drawDistanceRoutePolyline(snappedPosition);


// Decode the geometry and draw the route from current position to start of next step.
List<Position> coords = PolylineUtils.decode(currentRoute.getLegs().get(0).getSteps().get(stepCount).getGeometry(),
Constants.OSRM_PRECISION_V5);

// remove old line
if (distancePolyline != null) {
mapboxMap.removePolyline(distancePolyline);
}

try {
LineString slicedLine = TurfMisc.lineSlice(
Point.fromCoordinates(snappedPosition),
Point.fromCoordinates(coords.get(coords.size() - 1)),
LineString.fromCoordinates(coords)
);

List<Position> linePositions = slicedLine.getCoordinates();
List<LatLng> lineLatLng = new ArrayList<>();
for (Position pos : linePositions) {
lineLatLng.add(new LatLng(pos.getLatitude(), pos.getLongitude()));
}

distancePolyline = mapboxMap.addPolyline(new PolylineOptions()
.addAll(lineLatLng)
.color(Color.parseColor("#f1f075"))
.width(5f)
);
} catch (TurfException turfException) {
turfException.printStackTrace();
}
}

@Override
public void onMapReady(MapboxMap mapboxMap) {
SnapToRouteActivity.this.mapboxMap = mapboxMap;
mapboxMap.setOnMapClickListener(this);

try {
getRoute(origin, destination);
} catch (ServicesException servicesException) {
servicesException.printStackTrace();
}
}

private void drawDistanceRoutePolyline(Position snappedPosition) {
// Decode the geometry and draw the route from current position to end of route
List<Position> routeCoords = PolylineUtils.decode(currentRoute.getGeometry(), Constants.OSRM_PRECISION_V5);

// remove old line
if (distanceRoutePolyline != null) {
mapboxMap.removePolyline(distanceRoutePolyline);
}

try {
LineString slicedRouteLine = TurfMisc.lineSlice(
Point.fromCoordinates(snappedPosition),
Point.fromCoordinates(routeCoords.get(routeCoords.size() - 1)),
LineString.fromCoordinates(routeCoords)
);

List<Position> linePositions = slicedRouteLine.getCoordinates();
List<LatLng> lineLatLng = new ArrayList<>();
for (Position pos : linePositions) {
lineLatLng.add(new LatLng(pos.getLatitude(), pos.getLongitude()));
}

distanceRoutePolyline = mapboxMap.addPolyline(new PolylineOptions()
.addAll(lineLatLng)
.color(Color.parseColor("#3887be"))
.width(5f)
);
} catch (TurfException turfException) {
turfException.printStackTrace();
}
}

private void getRoute(Position origin, Position destination) throws ServicesException {

MapboxDirections client = new MapboxDirections.Builder()
.setOrigin(origin)
.setDestination(destination)
.setOverview(DirectionsCriteria.OVERVIEW_FULL)
.setSteps(true)
.setProfile(DirectionsCriteria.PROFILE_DRIVING)
.setAccessToken(MapboxAccountManager.getInstance().getAccessToken())
.build();

Log.i(TAG, "Request: " + client.cloneCall().request());

client.enqueueCall(new Callback<DirectionsResponse>() {
@Override
public void onResponse(Call<DirectionsResponse> call, Response<DirectionsResponse> response) {
// You can get the generic HTTP info about the response
Log.d(TAG, "Response code: " + response.code());
if (response.body() == null) {
Log.e(TAG, "No routes found, make sure you set the right user and access token.");
return;
} else if (response.body().getRoutes().size() < 1) {
Log.e(TAG, "No routes found");
return;
}

// Print some info about the route
currentRoute = response.body().getRoutes().get(0);
Log.d(TAG, "Distance: " + currentRoute.getDistance());
Toast.makeText(
SnapToRouteActivity.this,
"Route is " + currentRoute.getDistance() + " meters long.",
Toast.LENGTH_SHORT).show();

// Draw the route on the map
drawRoute(currentRoute);
}

@Override
public void onFailure(Call<DirectionsResponse> call, Throwable throwable) {
Log.e(TAG, "Error: " + throwable.getMessage());
Toast.makeText(SnapToRouteActivity.this, "Error: " + throwable.getMessage(), Toast.LENGTH_SHORT).show();
}
});
}

private void drawRoute(DirectionsRoute route) {
// Convert LineString coordinates into LatLng[]
LineString lineString = LineString.fromPolyline(route.getGeometry(), Constants.OSRM_PRECISION_V5);
List<Position> coordinates = lineString.getCoordinates();
LatLng[] points = new LatLng[coordinates.size()];
for (int i = 0; i < coordinates.size(); i++) {
points[i] = new LatLng(
coordinates.get(i).getLatitude(),
coordinates.get(i).getLongitude());
}

// Draw Points on MapView
mapboxMap.addPolyline(new PolylineOptions()
.add(points)
.color(Color.parseColor("#009688"))
.width(5));
}

private void drawStepPolyline() {
LineString lineString = LineString.fromPolyline(
currentRoute.getLegs().get(0).getSteps().get(stepCount).getGeometry(),
Constants.OSRM_PRECISION_V5
);

List<Position> coordinates = lineString.getCoordinates();

List<LatLng> points = new ArrayList<>();
for (int i = 0; i < coordinates.size(); i++) {
points.add(
new LatLng(coordinates.get(i).getLatitude(), coordinates.get(i).getLongitude())
);
}

if (stepPolyline != null) {
mapboxMap.removePolyline(stepPolyline);
}

stepPolyline = mapboxMap.addPolyline(new PolylineOptions()
.addAll(points)
.color(Color.parseColor("#e55e5e"))
.width(5));
}

@Override
public void onResume() {
super.onResume();
mapView.onResume();
}

@Override
public void onPause() {
super.onPause();
mapView.onPause();
}

@Override
public void onLowMemory() {
super.onLowMemory();
mapView.onLowMemory();
}

@Override
protected void onDestroy() {
super.onDestroy();
mapView.onDestroy();
}

@Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
mapView.onSaveInstanceState(outState);
}
}
9 changes: 9 additions & 0 deletions mapbox/app/src/main/res/drawable/ic_expand_less_24dp.xml
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<vector xmlns:android="http://schemas.android.com/apk/res/android"
android:width="24dp"
android:height="24dp"
android:viewportWidth="24.0"
android:viewportHeight="24.0">
<path
android:fillColor="#FF000000"
android:pathData="M12,8l-6,6 1.41,1.41L12,10.83l4.59,4.58L18,14z"/>
</vector>
9 changes: 9 additions & 0 deletions mapbox/app/src/main/res/drawable/ic_expand_more_24dp.xml
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<vector xmlns:android="http://schemas.android.com/apk/res/android"
android:width="24dp"
android:height="24dp"
android:viewportWidth="24.0"
android:viewportHeight="24.0">
<path
android:fillColor="#FF000000"
android:pathData="M16.59,8.59L12,13.17 7.41,8.59 6,10l6,6 6,-6z"/>
</vector>
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