I want dowland opencv in Android Studio,can you help me?

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I have a project about "image process" on the android application,but ı didnt add opencv libraries in Android Studio,I want from you that is all processes one by one by tell to me about add opencv in Android Studio and ı need all code take photos , in order to get the image.finally when I take photos , storage somewhere (like gallery).how can I do all process ?thanks.