So, let's say you're using a library that does something amazing. Trouble is that you didn't write it and the author hasn't RX'd it yet. The call you need to use is asynchronous and returns the result by virtue of a callback.  How can we make it into an Observable …

When you create a custom view you can define custom attributes. These elements are declared in an XML resources file. More information can be found at

https://developer.android.com/training/custom-views/create-view.html

All well and good except that there's no Java enum equivalent generated. Sure, one could be …