I’ve mentioned a number of great controls and libraries for working with images such as the NYXImagesKit image manipulation library.
Here’s an open source control from Javier Berlana called JBCroppableView that allows you to add an image cropper with multiple points that can be dragged and dropped to a specific location and then crop out the image within those points.
You can then call the included deleteBackgroundOfImage method and the area outside of the points will be cropped out.
Here’s an image from the example project showing this UI control in action:
You can find JBCroppableView on Github here
A great control if you need more than basic image cropping.
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