[android] test app - add example tor snapshot overlayed with marker

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

@@ -387,6 +387,16 @@
                 android:name="android.support.PARENT_ACTIVITY"
                 android:value=".activity.FeatureOverviewActivity"/>
         </activity>
+        <activity android:name=".activity.snapshot.MapSnapshotterMarkerActivity"
+                  android:description="@string/description_map_snapshotter_marker"
+                  android:label="@string/activity_map_snapshotter_marker">
+            <meta-data
+                android:name="@string/category"
+                android:value="@string/category_imagegenerator"/>
+            <meta-data
+                android:name="android.support.PARENT_ACTIVITY"
+                android:value=".activity.FeatureOverviewActivity"/>
+        </activity>
         <activity
             android:name=".activity.maplayout.DoubleMapActivity"
             android:description="@string/description_doublemap"

platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/snapshot/MapSnapshotterMarkerActivity.java

@@ -0,0 +1,77 @@
+package com.mapbox.mapboxsdk.testapp.activity.snapshot;
+
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.graphics.Canvas;
+import android.graphics.PointF;
+import android.os.Bundle;
+import android.support.v7.app.AppCompatActivity;
+import android.view.View;
+import android.view.ViewTreeObserver;
+import android.widget.ImageView;
+
+import com.mapbox.mapboxsdk.camera.CameraPosition;
+import com.mapbox.mapboxsdk.constants.Style;
+import com.mapbox.mapboxsdk.geometry.LatLng;
+import com.mapbox.mapboxsdk.snapshotter.MapSnapshot;
+import com.mapbox.mapboxsdk.snapshotter.MapSnapshotter;
+import com.mapbox.mapboxsdk.testapp.R;
+
+import timber.log.Timber;
+
+/**
+ * Test activity showing how to use a the {@link MapSnapshotter} and overlay
+ * {@link android.graphics.Bitmap}s on top.
+ */
+public class MapSnapshotterMarkerActivity extends AppCompatActivity implements MapSnapshotter.SnapshotReadyCallback {
+
+  @Override
+  protected void onCreate(Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);
+    setContentView(R.layout.activity_map_snapshotter_marker);
+
+    final View container = findViewById(R.id.container);
+    container.getViewTreeObserver()
+      .addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
+        @Override
+        public void onGlobalLayout() {
+          //noinspection deprecation
+          container.getViewTreeObserver().removeGlobalOnLayoutListener(this);
+
+          Timber.i("Starting snapshot");
+
+          MapSnapshotter mapSnapshotter = new MapSnapshotter(
+            getApplicationContext(),
+            new MapSnapshotter
+              .Options(Math.min(container.getMeasuredWidth(), 1024), Math.min(container.getMeasuredHeight(), 1024))
+              .withStyle(Style.TRAFFIC_DAY)
+              .withCameraPosition(new CameraPosition.Builder().target(new LatLng(52.090737, 5.121420)).zoom(15).build())
+          );
+          mapSnapshotter.start(MapSnapshotterMarkerActivity.this);
+        }
+      });
+  }
+
+  @Override
+  public void onSnapshotReady(MapSnapshot snapshot) {
+    Timber.i("Snapshot ready");
+    ImageView imageView = (ImageView) findViewById(R.id.snapshot_image);
+    Bitmap image = addMarker(snapshot);
+    imageView.setImageBitmap(image);
+  }
+
+  private Bitmap addMarker(MapSnapshot snapshot) {
+    Canvas canvas = new Canvas(snapshot.getBitmap());
+    Bitmap marker = BitmapFactory.decodeResource(getResources(), R.drawable.mapbox_marker_icon_default, null);
+    // Dom toren
+    PointF markerLocation = snapshot.pixelForLatLng(new LatLng(52.090649433011315, 5.121310651302338));
+    canvas.drawBitmap(marker,
+      markerLocation.x,
+      /* Subtract height (in dp) so the bottom of the marker aligns correctly */
+      markerLocation.y - (marker.getHeight() / getResources().getDisplayMetrics().density),
+      null
+    );
+    return snapshot.getBitmap();
+  }
+
+}

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

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+                android:id="@+id/container"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent">
+
+    <ImageView
+        android:id="@+id/snapshot_image"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_centerInParent="true"
+        android:contentDescription=""/>
+
+</RelativeLayout>

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

@@ -61,6 +61,7 @@
     <string name="description_bottom_sheet">Show 2 MapView on screen with a bottom sheet</string>
     <string name="description_map_snapshotter">Show a static bitmap taken with the MapSnapshotter</string>
     <string name="description_map_snapshotter_reuse">Show how to reuse a MapSnapshotter instance</string>
+    <string name="description_map_snapshotter_marker">Show how to add a marker to a Snapshot</string>
     <string name="description_camera_animator">Use Android SDK Animators to animate camera position changes</string>
     <string name="description_symbol_generator">Use Android SDK Views as symbols</string>
 </resources>

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

@@ -61,6 +61,7 @@
     <string name="activity_bottom_sheet">Bottom sheet</string>
     <string name="activity_map_snapshotter">Map Snapshotter</string>
     <string name="activity_map_snapshotter_reuse">Map Snapshotter Reuse</string>
+    <string name="activity_map_snapshotter_marker">Map Snapshot with marker</string>
     <string name="activity_camera_animator">Animator animation</string>
     <string name="activity_symbol_generator">SymbolGenerator</string>
 </resources>