MobileKit offers a clean and easy way to open native camera roll, image gallery and share features on iOS & Android devices.
The plugin returns a bitmap file path back to Unity and the share functionality can send a message with a texture and opens a native dialog to choose a desired app according the platform.
A demo scene is provided and contains all the needed information and code examples. Just look at MobileKitDemo.cs, it is quite easy to implement.
On Android, don't forget to generate your manifest file. Go to Main Menu, MobileKit, Generate Android Manifest.
For more information, visit my blog post.
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