Canvas API. There are still a number of things to do:

runtime/embedders/openglui/android/android_graphics_handler.h

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef EMBEDDERS_OPENGLUI_ANDROID_ANDROID_GRAPHICS_HANDLER_H_
 #define EMBEDDERS_OPENGLUI_ANDROID_ANDROID_GRAPHICS_HANDLER_H_
 
 #include <android_native_app_glue.h>
-#include "embedders/openglui/common/gl_graphics_handler.h"
+#include "embedders/openglui/common/graphics_handler.h"
 
-class AndroidGraphicsHandler : public GLGraphicsHandler {
+class AndroidGraphicsHandler : public GraphicsHandler {
   public:
     explicit AndroidGraphicsHandler(android_app* application);
 
     int32_t Start();
     void Stop();
 
   private:
     android_app* application_;
     EGLDisplay display_;
     EGLSurface surface_;
     EGLContext context_;
 };
 
 #endif  // EMBEDDERS_OPENGLUI_ANDROID_ANDROID_GRAPHICS_HANDLER_H_