Merge remote-tracking branch 'origin/follow-route' into Tests

app/src/main/java/com/a1/nextlocation/data/RouteHandler.java

@@ -0,0 +1,69 @@
+package com.a1.nextlocation.data;
+
+import org.osmdroid.views.overlay.Polyline;
+
+/**
+ * singleton to track the current route that is being followed
+ */
+public enum RouteHandler {
+    INSTANCE;
+
+    private boolean isFollowingRoute = false;
+    private Route currentRoute;
+    private int stepCount = 0;
+    private RouteFinishedListener routeFinishedListener;
+
+    private Polyline currentRouteLine;
+
+    public void setCurrentRouteLine(Polyline currentRouteLine) {
+        this.currentRouteLine = currentRouteLine;
+    }
+
+    public Polyline getCurrentRouteLine() {
+        return currentRouteLine;
+    }
+
+    public void setRouteFinishedListener(RouteFinishedListener routeFinishedListener) {
+        this.routeFinishedListener = routeFinishedListener;
+    }
+
+    public int getStepCount() {
+        return stepCount;
+    }
+
+    public void addStep() {
+        stepCount++;
+    }
+
+    public void finishRoute() {
+        stepCount = 0;
+        isFollowingRoute = false;
+        currentRoute = null;
+        currentRouteLine = null;
+    }
+
+    public void followRoute(Route route) {
+        this.currentRoute = route;
+        setFollowingRoute(true);
+    }
+
+    public boolean isFollowingRoute(Route route) {
+        return isFollowingRoute && route.equals(currentRoute);
+    }
+    public void setFollowingRoute(boolean followingRoute) {
+        isFollowingRoute = followingRoute;
+    }
+
+    public boolean isFollowingRoute() {
+        return isFollowingRoute;
+    }
+
+    public Route getCurrentRoute() {
+        return currentRoute;
+    }
+
+    @FunctionalInterface
+    public interface RouteFinishedListener {
+        void onRouteFinish();
+    }
+}

app/src/main/java/com/a1/nextlocation/data/StaticData.java

@@ -34,14 +34,6 @@ public enum StaticData {
         return locationsVisited;
     }
 
-    private Polyline currentRoute;
 
-    public void setCurrentRoute(Polyline currentRoute) {
-        this.currentRoute = currentRoute;
-    }
-
-    public Polyline getCurrentRoute() {
-        return currentRoute;
-    }
 
 }

app/src/main/java/com/a1/nextlocation/fragments/HomeFragment.java

@@ -1,7 +1,6 @@
 package com.a1.nextlocation.fragments;
 
 
-
 import android.Manifest;
 import android.content.Context;
 import android.content.pm.PackageManager;
@@ -25,6 +24,7 @@ import androidx.fragment.app.Fragment;
 import androidx.fragment.app.FragmentActivity;
 
 import com.a1.nextlocation.R;
+import com.a1.nextlocation.data.RouteHandler;
 import com.a1.nextlocation.data.StaticData;
 import com.a1.nextlocation.json.DirectionsResult;
 import com.a1.nextlocation.network.ApiHandler;
@@ -47,10 +47,11 @@ import org.osmdroid.views.overlay.mylocation.MyLocationNewOverlay;
 import java.util.ArrayList;
 import java.util.List;
 
-public class HomeFragment extends Fragment implements LocationListener, DirectionsListener {
+public class HomeFragment extends Fragment implements LocationListener {
     private final String userAgent = "com.ai.nextlocation.fragments";
     public final static String MAPQUEST_API_KEY = "vuyXjqnAADpjeL9QwtgWGleIk95e36My";
     private ImageButton imageButton;
+    private ImageButton stopButton;
     private MapView mapView;
     private final int REQUEST_PERMISSIONS_REQUEST_CODE = 1;
     private final String TAG = HomeFragment.class.getCanonicalName();
@@ -58,6 +59,7 @@ public class HomeFragment extends Fragment implements LocationListener, Directio
     private Polyline roadOverlay;
     private int color;
     private Location currentLocation;
+    private Overlay allLocationsOverlay;
 
     @Override
     public void onCreate(Bundle savedInstanceState) {
@@ -67,8 +69,6 @@ public class HomeFragment extends Fragment implements LocationListener, Directio
                 Manifest.permission.ACCESS_FINE_LOCATION,
                 // WRITE_EXTERNAL_STORAGE is required in order to show the map
                 Manifest.permission.WRITE_EXTERNAL_STORAGE);
-//        roadManager = new MapQuestRoadManager(MAPQUEST_API_KEY);
-//        roadManager.addRequestOption("routeType=foot-walking");
 
         color = requireContext().getColor(R.color.red);
     }
@@ -79,33 +79,48 @@ public class HomeFragment extends Fragment implements LocationListener, Directio
 
         View view = inflater.inflate(R.layout.fragment_home, container, false);
 
+        // set up the location list button
         this.imageButton = view.findViewById(R.id.location_list_button);
         this.imageButton.setOnClickListener(v -> {
             LocationFragment locationFragment = new LocationFragment();
             ((FragmentActivity) view.getContext()).getSupportFragmentManager().beginTransaction().replace(R.id.fragment_layout, locationFragment).addToBackStack(null).commit();
         });
 
-        ApiHandler.INSTANCE.addListener(this);
+        // set up the route stop button
+        stopButton = view.findViewById(R.id.home_stop_route_button);
+        stopButton.setOnClickListener(v -> {
+            RouteHandler.INSTANCE.finishRoute();
+            stopButton.setVisibility(View.GONE);
+            Toast.makeText(requireContext(),getResources().getString(R.string.route_stop_toast),Toast.LENGTH_SHORT).show();
+            mapView.getOverlays().remove(roadOverlay);
+            mapView.getOverlays().remove(allLocationsOverlay);
+            addLocations();
+            mapView.invalidate();
+            roadOverlay = null;
+        });
+
+        if (RouteHandler.INSTANCE.isFollowingRoute()) {
+            stopButton.setVisibility(View.VISIBLE);
+        } else {
+            stopButton.setVisibility(View.GONE);
+        }
+        ApiHandler.INSTANCE.addListener(this::onDirectionsAvailable);
         return view;
     }
 
-    @Override
-    public void onDirectionsAvailable(DirectionsResult directionsResult) {
+    /**
+     * callback method that gets called when there are new directions available in the form of a {@link DirectionsResult} object.
+     * @param directionsResult the directions received from the api
+     */
+    private void onDirectionsAvailable(DirectionsResult directionsResult) {
         Log.d(TAG, "onDirectionsAvailable: got result! " + directionsResult);
         ArrayList<GeoPoint> geoPoints = directionsResult.getGeoPoints();
         roadOverlay = new Polyline();
         roadOverlay.setPoints(geoPoints);
-
-        // this is for mapquest, but it gives a "no value for guidancelinkcollection" error and google has never heard of that
-//        GeoPoint[] gp = directionsResult.getStartAndEndPoint();
-//        ArrayList<GeoPoint> arrayList = new ArrayList<>(Arrays.asList(gp));
-//        Road road = roadManager.getRoad(arrayList);
-//        roadOverlay = RoadManager.buildRoadOverlay(road);
-
         roadOverlay.setColor(color);
 
 
-        StaticData.INSTANCE.setCurrentRoute(roadOverlay);
+        RouteHandler.INSTANCE.setCurrentRouteLine(roadOverlay);
         Log.d(TAG, "onDirectionsAvailable: successfully added road!");
 
     }
@@ -119,6 +134,7 @@ public class HomeFragment extends Fragment implements LocationListener, Directio
 
     /**
      * This method initializes the map and all the things it needs
+     *
      * @param view the view the map is on
      */
     private void initMap(@NonNull View view) {
@@ -155,17 +171,15 @@ public class HomeFragment extends Fragment implements LocationListener, Directio
         LocationManager locationManager = (LocationManager) requireActivity().getSystemService(Context.LOCATION_SERVICE);
 
 
-
-
         try {
 
+            // request location updates for the distance checking
             locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 0, 0, this);
             locationManager.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, 0, 0, this);
 
+            // get the current location and set it as center
             Location location = locationManager.getLastKnownLocation(LocationManager.GPS_PROVIDER);
-            if (currentLocation == null) {
-                currentLocation = location;
-            }
+            if (currentLocation == null) currentLocation = location;
 
             if (location != null) {
                 GeoPoint start = new GeoPoint(location.getLatitude(), location.getLongitude());
@@ -188,11 +202,15 @@ public class HomeFragment extends Fragment implements LocationListener, Directio
 
     }
 
+    /**
+     * displays the route that is currently being followed as a red line
+     */
     private void displayRoute() {
 
+        if (RouteHandler.INSTANCE.isFollowingRoute()) {
             if (roadOverlay == null) {
-            if (StaticData.INSTANCE.getCurrentRoute() != null) {
-                roadOverlay = StaticData.INSTANCE.getCurrentRoute();
+                if (RouteHandler.INSTANCE.getCurrentRouteLine() != null) {
+                    roadOverlay = RouteHandler.INSTANCE.getCurrentRouteLine();
                     mapView.getOverlays().add(roadOverlay);
                     mapView.invalidate();
                     Log.d(TAG, "initMap: successfully added road!");
@@ -203,31 +221,56 @@ public class HomeFragment extends Fragment implements LocationListener, Directio
                 Log.d(TAG, "initMap: successfully added road!");
             }
         }
+    }
 
+    /**
+     * adds the locations of the current route to the map. If there is no current route, show all locations
+     */
     private void addLocations() {
-        List<com.a1.nextlocation.data.Location> locations = LocationListManager.INSTANCE.getLocationList();
+        // get the locations of the current route or all locations
+        List<com.a1.nextlocation.data.Location> locations = RouteHandler.INSTANCE.isFollowingRoute() ? RouteHandler.INSTANCE.getCurrentRoute().getLocations() : LocationListManager.INSTANCE.getLocationList();
         final ArrayList<OverlayItem> items = new ArrayList<>(locations.size());
+        // marker icon
         Drawable marker = ContextCompat.getDrawable(requireContext(), R.drawable.ic_baseline_location_on_24);
         marker.setAlpha(255);
         marker.setTint(getResources().getColor(R.color.primaryColour));
+
+        // add all locations to the overlay itemss
         for (com.a1.nextlocation.data.Location location : locations) {
             OverlayItem item = new OverlayItem(location.getName(), location.getDescription(), location.convertToGeoPoint());
             item.setMarker(marker);
             items.add(item);
         }
-        Overlay allLocationsOverlay = new ItemizedIconOverlay<OverlayItem>(items,
+
+        // create the overlay that will hold all locations and add listeners
+        allLocationsOverlay = new ItemizedIconOverlay<OverlayItem>(items,
                 new ItemizedIconOverlay.OnItemGestureListener<OverlayItem>() {
+                    /**
+                     * on sinlge click, navigate to that location's detail fragment
+                     * @param index the index in the location list
+                     * @param item the item that was clicked
+                     * @return true
+                     */
                     @Override
                     public boolean onItemSingleTapUp(int index, OverlayItem item) {
                         com.a1.nextlocation.data.Location clicked = locations.get(index);
                         requireActivity().getSupportFragmentManager().beginTransaction().replace(R.id.fragment_layout, new LocationDetailFragment(clicked)).commit();
-                        return false;
+                        return true;
                     }
 
+                    /**
+                     * on item long press, show that location's name in a toast message
+                     * @param index the index in the location list
+                     * @param item the item that was clicked
+                     * @return true
+                     */
                     @Override
                     public boolean onItemLongPress(int index, OverlayItem item) {
                         com.a1.nextlocation.data.Location clicked = locations.get(index);
                         Toast.makeText(requireContext(), clicked.getName(), Toast.LENGTH_SHORT).show();
+
+                        // create a route to the clicked location, didn't work and didn't have enough time to make it work ¯\_(ツ)_/¯
+
 //                        Route route = new Route("Route to " + clicked.getName());
 //                        route.addLocation(new com.a1.nextlocation.data.Location("Current location",currentLocation.getLatitude(),currentLocation.getLongitude(),"your location",null));
 //                        route.addLocation(clicked);
@@ -236,11 +279,17 @@ public class HomeFragment extends Fragment implements LocationListener, Directio
                     }
                 }, requireContext());
 
+        // add the overlay to the map
         mapView.getOverlays().add(allLocationsOverlay);
         Log.d(TAG, "addLocations: successfully added locations");
 
     }
 
+    /**
+     * @author Ricky
+     * request the permissions needed for location and network, made by Ricky
+     * @param permissions tbe permissions we want to ask
+     */
     private void requestPermissionsIfNecessary(String... permissions) {
         ArrayList<String> permissionsToRequest = new ArrayList<>();
         if (this.getContext() != null)
@@ -259,13 +308,18 @@ public class HomeFragment extends Fragment implements LocationListener, Directio
         }
     }
 
+    /**
+     * location callback that gets called each time the location is updated. It is used for updating the distance walked and checking if there are locations you have visited
+     * @param location the new location
+     */
     @Override
     public void onLocationChanged(@NonNull Location location) {
+        // calculate the distance walked
         double distance = currentLocation.distanceTo(location); // in meters
         StaticData.INSTANCE.addDistance(distance);
         currentLocation = location;
 
-        //new thread because we don't want the main thread to hang
+        //new thread because we don't want the main thread to hang, this method gets called a lot
         Thread t = new Thread(() -> {
             for (com.a1.nextlocation.data.Location l : LocationListManager.INSTANCE.getLocationList()) {
                 if (com.a1.nextlocation.data.Location.getDistance(currentLocation.getLatitude(), currentLocation.getLongitude(), l.getLat(), l.getLong()) < 10) {
@@ -277,6 +331,8 @@ public class HomeFragment extends Fragment implements LocationListener, Directio
         t.start();
     }
 
+    // empty override methods for the LocationListener
+
     @Override
     public void onStatusChanged(String provider, int status, Bundle extras) {
 
@@ -291,4 +347,22 @@ public class HomeFragment extends Fragment implements LocationListener, Directio
     public void onProviderDisabled(@NonNull String provider) {
 
     }
+
+    /**
+     * method that gets called when the app gets paused
+     */
+    @Override
+    public void onPause() {
+        super.onPause();
+        mapView.onPause();
+    }
+
+    /**
+     * method that gets called when the app gets resumed
+     */
+    @Override
+    public void onResume() {
+        super.onResume();
+        mapView.onResume();
+    }
 }

app/src/main/java/com/a1/nextlocation/fragments/RouteDetailFragment.java

@@ -15,6 +15,8 @@ import android.widget.Toast;
 
 import com.a1.nextlocation.R;
 import com.a1.nextlocation.data.Route;
+import com.a1.nextlocation.data.RouteHandler;
+import com.a1.nextlocation.data.StaticData;
 import com.a1.nextlocation.network.ApiHandler;
 
 public class RouteDetailFragment extends Fragment {
@@ -53,6 +55,7 @@ public class RouteDetailFragment extends Fragment {
 
     public void startRoute(View view) {
         ApiHandler.INSTANCE.getDirections(route);
+        RouteHandler.INSTANCE.followRoute(route);
         Toast.makeText(requireContext(),"Route started!",Toast.LENGTH_SHORT).show();
         ((FragmentActivity) view.getContext()).getSupportFragmentManager().beginTransaction().replace(R.id.fragment_layout, new HomeFragment()).addToBackStack(null).commit();
 

app/src/main/java/com/a1/nextlocation/network/ApiHandler.java

@@ -127,6 +127,7 @@ public enum ApiHandler {
             } catch (IOException e) {
                 Log.d(TAG, "getDirections: caught exception: " + e.getLocalizedMessage());
             }
+
         });
 
         t.start();

app/src/main/res/drawable-anydpi/ic_stop_icon.xml

@@ -0,0 +1,12 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="#333333"
+    android:alpha="0.6">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M8,16h8V8H8V16zM12,2C6.48,2 2,6.48 2,12s4.48,10 10,10s10,-4.48 10,-10S17.52,2 12,2L12,2z"
+      android:fillType="evenOdd"/>
+</vector>

app/src/main/res/layout/fragment_home.xml

@@ -28,6 +28,17 @@
             android:src="@drawable/ic_baseline_outlined_flag_24"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintTop_toTopOf="parent" />
+
+        <ImageButton
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:id="@+id/home_stop_route_button"
+            android:layout_marginTop="20dp"
+            android:layout_marginEnd="20dp"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/location_list_button"
+            android:backgroundTint="@color/secondaryColour"
+            android:src="@drawable/ic_stop_icon"/>
     </androidx.constraintlayout.widget.ConstraintLayout>
 
 </FrameLayout>

app/src/main/res/values/strings.xml

@@ -18,4 +18,5 @@
     <string name="activate">activate</string>
     <string name="done">Done</string>
     <string name="cancel">cancel</string>
+    <string name="route_stop_toast">Route stopped!</string>
 </resources>