get DataURL from SvgViewShadowNode

android/src/main/java/com/horcrux/svg/SvgView.java

@@ -182,10 +182,4 @@ public class SvgView extends View {
 
         dispatch(ev, TouchEventType.CANCEL);
     }
-
-    public String toDataURL() {
-        return getShadowNode().getBase64();
-    }
-
-
 }

android/src/main/java/com/horcrux/svg/SvgViewModule.java

@@ -29,7 +29,7 @@ public class SvgViewModule extends ReactContextBaseJavaModule {
 
     @ReactMethod
     public void toDataURL(int tag, Callback successCallback) {
-        SvgView svg = SvgInstancesManager.getSvgViewByTag(tag);
+        SvgViewShadowNode svg = SvgInstancesManager.getShadowNodeByTag(tag);
 
         if (svg != null) {
             successCallback.invoke(svg.toDataURL());

android/src/main/java/com/horcrux/svg/SvgViewShadowNode.java

@@ -154,7 +154,7 @@ public class SvgViewShadowNode extends LayoutShadowNode {
         }
     }
 
-    public String getBase64() {
+    public String toDataURL() {
         Bitmap bitmap = Bitmap.createBitmap(
                 (int) getLayoutWidth(),
                 (int) getLayoutHeight(),