Hi Dung,
Thanks for your additional information.
Query: “Need to apply effects like brightness and contrast to the image editor image”
Currently, image editor control doesn’t have support for “Adding different filters to the image” and we have logged feature request for this.
It can be tracked through our feature management system,
Link- http://www.syncfusion.com/support/directtrac/features/ XAMARIN-12554
This feature will be included in any of our upcoming release.
Please get back to us if you need any other assistance.
Regards,
Mohana V