Enhancement: Added directions to polylines when routing

Upgraded gms:play-services-maps to 18.2.0 allows for arrows to be built into polylines which was previously not possible; this makes the directions of the routes easier to differentiate. Fixes #910 Co-authored-by: Adithya-hv <[email protected]>
OneBusAway · Feb 28, 2024 · d14ab11 · d14ab11
1 parent a70deef
commit d14ab11
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diff --git a/onebusaway-android/build.gradle b/onebusaway-android/build.gradle
@@ -348,7 +348,7 @@ dependencies {
     // Pelias for point-of-interest search and geocoding for trip planning origin and destination
     implementation 'edu.usf.cutr:pelias-client-library:1.1.0'
     // Google Play Services Maps (only for Google flavor)
-    googleImplementation 'com.google.android.gms:play-services-maps:18.0.2'
+    googleImplementation 'com.google.android.gms:play-services-maps:18.2.0'
     // Google Play Services Places is required by ProprietaryMapHelpV2 (only for Google flavor)
     googleImplementation 'com.google.android.libraries.places:places-compat:1.1.0'
     // Autocomplete text views with clear button for trip planning

diff --git a/...away-android/src/google/java/org/onebusaway/android/map/googlemapsv2/BaseMapFragment.java b/...away-android/src/google/java/org/onebusaway/android/map/googlemapsv2/BaseMapFragment.java
@@ -53,13 +53,18 @@
 import com.google.android.gms.maps.OnMapReadyCallback;
 import com.google.android.gms.maps.SupportMapFragment;
 import com.google.android.gms.maps.UiSettings;
+import com.google.android.gms.maps.model.BitmapDescriptorFactory;
 import com.google.android.gms.maps.model.CameraPosition;
 import com.google.android.gms.maps.model.LatLng;
 import com.google.android.gms.maps.model.LatLngBounds;
 import com.google.android.gms.maps.model.MapStyleOptions;
 import com.google.android.gms.maps.model.Marker;
 import com.google.android.gms.maps.model.Polyline;
 import com.google.android.gms.maps.model.PolylineOptions;
+import com.google.android.gms.maps.model.StampStyle;
+import com.google.android.gms.maps.model.StrokeStyle;
+import com.google.android.gms.maps.model.StyleSpan;
+import com.google.android.gms.maps.model.TextureStyle;
 import com.google.android.gms.maps.model.VisibleRegion;
 import com.google.firebase.analytics.FirebaseAnalytics;
 
@@ -1038,12 +1043,18 @@ public void setRouteOverlay(int lineOverlayColor, ObaShape[] shapes, boolean cle
                 mLineOverlay.clear();
             }
             PolylineOptions lineOptions;
+            StampStyle polylineArrow = TextureStyle.newBuilder(
+                BitmapDescriptorFactory.fromResource(R.drawable.ic_navigation_expand_more)
+            ).build();
+            StyleSpan polylineArrowSpan = new StyleSpan(
+                StrokeStyle.colorBuilder(lineOverlayColor).stamp(polylineArrow).build()
+            );
 
             int totalPoints = 0;
 
             for (ObaShape s : shapes) {
                 lineOptions = new PolylineOptions();
-                lineOptions.color(lineOverlayColor);
+                lineOptions.addSpan(polylineArrowSpan);
 
                 for (Location l : s.getPoints()) {
                     lineOptions.add(MapHelpV2.makeLatLng(l));