Get Picture from Mobile Memory and Crop it

Unity Engine
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1

I am making android game in which user can select a picture from his mobile memory and crop his face to get guiTexture of his own face.
how can i get picture from mobile memory in unity c# or javascript and crop the picture to use in guiTexture.

Please Ans Quickly

Thanks in Advance To all Community

2

For selecting file you can use e.g. Gallery app

and for cropping, you can just turn the image file to texture copy parts of it to new image

3

Cant translate code to unity c# code.

4

There isn’t Unity code for that. You have to Android plugin for that.

5

how can i use android plugin in untiy3d