TextViewColorMatcher: Verifies that a TextView has an specific color

TextViewColorMatcher.java

public static Matcher<View> textViewTextColorMatcher(final int matcherColor) {
    return new BoundedMatcher<View, TextView>(TextView.class) {
        @Override
        public void describeTo(Description description) {
            description.appendText("with text color: " + matcherColor);
        }
        @Override
        protected boolean matchesSafely(TextView textView) {
            return matcherColor == textView.getCurrentTextColor();
        }
    };
}

//how to use it
onView(withId(R.id.search_action_button)).check(matches(textViewTextColorMatcher(TEXT_BTN_COLOR_DISABLED)));