diff --git a/MapboxAndroidDemo/src/global/java/com/mapbox/mapboxandroiddemo/MainActivity.java b/MapboxAndroidDemo/src/global/java/com/mapbox/mapboxandroiddemo/MainActivity.java
index b73be3704..83297944b 100644
--- a/MapboxAndroidDemo/src/global/java/com/mapbox/mapboxandroiddemo/MainActivity.java
+++ b/MapboxAndroidDemo/src/global/java/com/mapbox/mapboxandroiddemo/MainActivity.java
@@ -74,6 +74,7 @@
import com.mapbox.mapboxandroiddemo.examples.javaservices.SimplifyPolylineActivity;
import com.mapbox.mapboxandroiddemo.examples.javaservices.StaticImageActivity;
import com.mapbox.mapboxandroiddemo.examples.javaservices.TilequeryActivity;
+import com.mapbox.mapboxandroiddemo.examples.javaservices.TurfRingActivity;
import com.mapbox.mapboxandroiddemo.examples.labs.AnimatedImageGifActivity;
import com.mapbox.mapboxandroiddemo.examples.labs.AnimatedMarkerActivity;
import com.mapbox.mapboxandroiddemo.examples.labs.CalendarIntegrationActivity;
@@ -934,6 +935,15 @@ private void initializeModels() {
null,
R.string.activity_java_services_tilequery_url, false, BuildConfig.MIN_SDK_VERSION));
+ exampleItemModels.add(new ExampleItemModel(
+ R.id.nav_java_services,
+ R.string.activity_java_turf_ring_title,
+ R.string.activity_java_turf_ring_description,
+ new Intent(MainActivity.this, TurfRingActivity.class),
+ null,
+ R.string.activity_java_turf_ring_url, false, BuildConfig.MIN_SDK_VERSION
+ ));
+
exampleItemModels.add(new ExampleItemModel(
R.id.nav_snapshot_image_generator,
R.string.activity_image_generator_snapshot_notification_title,
diff --git a/MapboxAndroidDemo/src/main/AndroidManifest.xml b/MapboxAndroidDemo/src/main/AndroidManifest.xml
index 04e40a3e2..3ba8eb826 100644
--- a/MapboxAndroidDemo/src/main/AndroidManifest.xml
+++ b/MapboxAndroidDemo/src/main/AndroidManifest.xml
@@ -773,6 +773,14 @@
android:name="android.support.PARENT_ACTIVITY"
android:value="com.mapbox.mapboxandroiddemo.MainActivity" />
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/MapboxAndroidDemo/src/main/res/values/activity_strings.xml b/MapboxAndroidDemo/src/main/res/values/activity_strings.xml
index ff673cb48..b84531e33 100644
--- a/MapboxAndroidDemo/src/main/res/values/activity_strings.xml
+++ b/MapboxAndroidDemo/src/main/res/values/activity_strings.xml
@@ -333,4 +333,7 @@
Tap on a neighborhood area to toggle its color
+
+
+ Tap on the map to move the ring
\ No newline at end of file
diff --git a/MapboxAndroidDemo/src/main/res/values/descriptions_strings.xml b/MapboxAndroidDemo/src/main/res/values/descriptions_strings.xml
index 245926e1c..f8711028b 100644
--- a/MapboxAndroidDemo/src/main/res/values/descriptions_strings.xml
+++ b/MapboxAndroidDemo/src/main/res/values/descriptions_strings.xml
@@ -117,4 +117,5 @@
Tap on various polygons to "select" them and toggle their colors.
Show an accurate and government-approved China map in your app using the Mapbox Maps SDK.
Show the device\'s current location or other information in a homescreen widget.
+ Use Turf to calculate coordinates to eventually draw a ring around a center coordinate.
diff --git a/MapboxAndroidDemo/src/main/res/values/titles_strings.xml b/MapboxAndroidDemo/src/main/res/values/titles_strings.xml
index 7c5f0ecef..dfa2ab757 100644
--- a/MapboxAndroidDemo/src/main/res/values/titles_strings.xml
+++ b/MapboxAndroidDemo/src/main/res/values/titles_strings.xml
@@ -115,4 +115,5 @@
Polygon toggle
China map view
Homescreen geocoding widget
+ Hollow circle
diff --git a/MapboxAndroidDemo/src/main/res/values/urls_strings.xml b/MapboxAndroidDemo/src/main/res/values/urls_strings.xml
index 420e44a4b..027b2b14a 100644
--- a/MapboxAndroidDemo/src/main/res/values/urls_strings.xml
+++ b/MapboxAndroidDemo/src/main/res/values/urls_strings.xml
@@ -117,4 +117,5 @@
https://i.imgur.com/gVIfE3G.png
https://i.imgur.com/KwoEynZ.png
https://i.imgur.com/H5N9jDn.png
+ https://i.imgur.com/nG8xeXH.png