color parser

android/app/src/main/java/com/reactnativenavigation/params/parsers/ColorParser.java

 package com.reactnativenavigation.params.parsers;
 
+import android.graphics.Color;
+import android.support.annotation.ColorInt;
+
+//TODO move to JS
 public class ColorParser {
+    @ColorInt
+    public static int parse(String str) {
+        return Color.parseColor(str);
+    }
 }