@Override
    public void setTintList(ColorStateList tint) {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
            mFront.setTintList(tint);
            mBack.setTintList(tint);
        }
    }
Returns whether flipping is in progress.
android/modules/module_common/src/main/java/github/tornaco/android/thanos/widget/checkable/FlipDrawable.java