Creating a RecyclerView adapter

In order to get data into a RecyclerView, you need an Adapter class, not unlike the PagerAdapter you wrote to display the attachment previews for the CaptureClaimActivity. However, RecyclerView does a lot more of the heavy lifting than ViewPager and as a result, what you can and can't do inside the adapter is far more restricted than with PagerAdapter. Also, unlike a PagerAdapter, a RecylcerView adapter has two actions that are involved in displaying each element: create and bind. When the RecyclerView needs a new child widget for an element, it will invoke onCreateViewHolder, which should return an unpopulated ViewHolder, which will then be passed to onBindViewHolder where the data should be mapped into the ...

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