[android] - add binding integration for RasterDEMSource, add example

platform/android/MapboxGLAndroidSDKTestApp/src/main/AndroidManifest.xml

@@ -778,6 +778,17 @@
                 android:name="android.support.PARENT_ACTIVITY"
                 android:value=".activity.FeatureOverviewActivity"/>
         </activity>
+        <activity
+            android:name=".activity.style.HillshadeLayerActivity"
+            android:description="@string/description_hillshade"
+            android:label="@string/activity_hillshade">
+            <meta-data
+                android:name="@string/category"
+                android:value="@string/category_style"/>
+            <meta-data
+                android:name="android.support.PARENT_ACTIVITY"
+                android:value=".activity.FeatureOverviewActivity"/>
+        </activity>
 
         <!-- For Instrumentation tests -->
         <activity

platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/style/HillshadeLayerActivity.java

@@ -0,0 +1,84 @@
+package com.mapbox.mapboxsdk.testapp.activity.style;
+
+import android.os.Bundle;
+import android.support.v7.app.AppCompatActivity;
+
+import com.mapbox.mapboxsdk.maps.MapView;
+import com.mapbox.mapboxsdk.maps.MapboxMap;
+import com.mapbox.mapboxsdk.style.layers.HillshadeLayer;
+import com.mapbox.mapboxsdk.style.sources.RasterDemSource;
+import com.mapbox.mapboxsdk.testapp.R;
+
+/**
+ * Test activity showcasing using HillshadeLayer.
+ */
+public class HillshadeLayerActivity extends AppCompatActivity {
+
+  private static final String LAYER_ID = "hillshade-layer";
+  private static final String LAYER_BELOW_ID = "waterway-river-canal";
+  private static final String SOURCE_ID = "hillshade-source";
+  private static final String SOURCE_URL = "mapbox://mapbox.terrain-rgb";
+
+  private MapView mapView;
+  private MapboxMap mapboxMap;
+
+  @Override
+  public void onCreate(Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);
+    setContentView(R.layout.activity_fill_extrusion_layer);
+
+    mapView = (MapView) findViewById(R.id.mapView);
+    mapView.onCreate(savedInstanceState);
+    mapView.getMapAsync(map -> {
+      mapboxMap = map;
+
+      RasterDemSource rasterDemSource = new RasterDemSource(SOURCE_ID, SOURCE_URL);
+      mapboxMap.addSource(rasterDemSource);
+
+      HillshadeLayer hillshadeLayer = new HillshadeLayer(LAYER_ID, SOURCE_ID);
+      mapboxMap.addLayerBelow(hillshadeLayer, LAYER_BELOW_ID);
+    });
+  }
+
+  @Override
+  protected void onStart() {
+    super.onStart();
+    mapView.onStart();
+  }
+
+  @Override
+  protected void onResume() {
+    super.onResume();
+    mapView.onResume();
+  }
+
+  @Override
+  protected void onPause() {
+    super.onPause();
+    mapView.onPause();
+  }
+
+  @Override
+  protected void onStop() {
+    super.onStop();
+    mapView.onStop();
+  }
+
+  @Override
+  public void onSaveInstanceState(Bundle outState) {
+    super.onSaveInstanceState(outState);
+    mapView.onSaveInstanceState(outState);
+  }
+
+  @Override
+  public void onLowMemory() {
+    super.onLowMemory();
+    mapView.onLowMemory();
+  }
+
+  @Override
+  public void onDestroy() {
+    super.onDestroy();
+    mapView.onDestroy();
+  }
+}

platform/android/MapboxGLAndroidSDKTestApp/src/main/res/layout/activity_fill_extrusion_layer.xml

@@ -9,9 +9,11 @@
         android:id="@id/mapView"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
-        app:mapbox_cameraTargetLat="52.090710"
-        app:mapbox_cameraTargetLng="5.121125"
-        app:mapbox_cameraZoom="10"
+        app:mapbox_cameraTargetLat="46.343350"
+        app:mapbox_cameraTargetLng="7.497989"
+        app:mapbox_cameraZoom="9"
+        app:mapbox_cameraBearing="140"
+        app:mapbox_cameraTilt="60"
         app:mapbox_styleUrl="@string/mapbox_style_mapbox_streets"/>
 
 </RelativeLayout>

platform/android/MapboxGLAndroidSDKTestApp/src/main/res/layout/activity_hillshade_layer.xml

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+                xmlns:app="http://schemas.android.com/apk/res-auto"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:orientation="vertical">
+
+    <com.mapbox.mapboxsdk.maps.MapView
+        android:id="@id/mapView"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        app:mapbox_cameraTargetLat="52.090710"
+        app:mapbox_cameraTargetLng="5.121125"
+        app:mapbox_cameraZoom="10"
+        app:mapbox_styleUrl="@string/mapbox_style_mapbox_streets"/>
+
+</RelativeLayout>

platform/android/MapboxGLAndroidSDKTestApp/src/main/res/values/descriptions.xml

@@ -69,4 +69,5 @@
     <string name="description_textureview_animate">Animate a map rendered on a TextureView</string>
     <string name="description_grid_source">Example Custom Geometry Source</string>
     <string name="description_local_glyph">Suzhou using Droid Sans for Chinese glyphs</string>
+    <string name="description_hillshade">Example raster-dem source and hillshade layer</string>
 </resources>

platform/android/MapboxGLAndroidSDKTestApp/src/main/res/values/titles.xml

@@ -69,4 +69,5 @@
     <string name="activity_textureview_animate">TextureView animation</string>
     <string name="activity_grid_source">Grid Source</string>
     <string name="activity_local_glyph">Local CJK glyph generation</string>
+    <string name="activity_hillshade">Hillshade</string>
 </resources>