1 files changed, 82 insertions, 0 deletions
diff --git a/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/maplayout/OverlayMapActivity.kt b/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/maplayout/OverlayMapActivity.kt
new file mode 100644
index 0000000000..8549ab8a60
--- /dev/null
+++ b/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/maplayout/OverlayMapActivity.kt
@@ -0,0 +1,82 @@
+package com.mapbox.mapboxsdk.testapp.activity.maplayout
+
+import android.annotation.SuppressLint
+import android.content.Context
+import android.graphics.*
+import android.os.Bundle
+import android.support.v7.app.AppCompatActivity
+import android.view.View
+import com.mapbox.mapboxsdk.testapp.R
+import kotlinx.android.synthetic.main.activity_overlay.*
+
+/**
+ * Test overlaying a Map with a View that uses a radial gradient shader.
+ */
+class OverlayMapActivity : AppCompatActivity() {
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_overlay)
+        mapView.onCreate(savedInstanceState)
+        parentView.addView(OverlayView(this))
+    }
+
+    override fun onStart() {
+        super.onStart()
+        mapView.onStart()
+    }
+
+    override fun onResume() {
+        super.onResume()
+        mapView.onResume()
+    }
+
+    override fun onPause() {
+        super.onPause()
+        mapView.onPause()
+    }
+
+    override fun onStop() {
+        super.onStop()
+        mapView.onStop()
+    }
+
+    override fun onLowMemory() {
+        super.onLowMemory()
+        mapView.onLowMemory()
+    }
+
+    override fun onDestroy() {
+        super.onDestroy()
+        mapView.onDestroy()
+    }
+
+    override fun onSaveInstanceState(outState: Bundle?) {
+        super.onSaveInstanceState(outState)
+        outState?.let {
+            mapView.onSaveInstanceState(it)
+        }
+    }
+
+    class OverlayView(context: Context) : View(context) {
+
+        private lateinit var paint: Paint
+        
+        @SuppressLint("DrawAllocation") // only happens once
+        override fun onDraw(canvas: Canvas?) {
+            super.onDraw(canvas)
+
+            canvas?.let {
+                if (!::paint.isInitialized) {
+                    paint = Paint()
+                    paint.color = Color.BLACK
+                    paint.strokeWidth = 1.0f
+                    paint.style = Paint.Style.FILL_AND_STROKE
+                    paint.shader = RadialGradient(width / 2.0f, height / 2.0f,
+                            height / 3.0f, Color.TRANSPARENT, Color.BLACK, Shader.TileMode.CLAMP)
+                }
+                it.drawRect(0.0f, 0.0f, width.toFloat(), height.toFloat(), paint)
+            }
+        }
+    }
+}