How to select a Image from Gallery using Xamarin Forms app

https://stackoverflow.com/questions/34530505/can-we-pick-a-image-from-phone-android-ios-and-upload-it-to-server-with-comm

http://www.c-sharpcorner.com/UploadFile/e14021/capture-image-from-camera-and-selecting-image-from-gallery-o/

https://forums.xamarin.com/discussion/55816/how-to-select-multiple-images-from-gallery-from-both-android-and-ios-device

https://forums.xamarin.com/discussions/tagged/image-upload

http://www.c-sharpcorner.com/article/xamarin-android-how-to-pick-a-image-from-gallery-in-android-phone-using-visual/