48.1 Adding Sample Data to a Project

During the design phase of the user interface layout, the RecyclerView instance (Figure 48-1) bears little resemblance to the running app tested at the end of the previous chapter:

Figure 48-1

In the “Modern Android App Architecture with Jetpack” chapter earlier in the book the concept of sample data was introduced. To demonstrate sample data in use, the project will now be modified so that the fully populated cards appear within the RecyclerView from within the layout editor. Before doing that, however, it is worth noting that the layout editor has a collection of preconfigured sample data templates that can be used when designing user interfaces. To see some of these in action, load the content_main.xml layout file into the layout editor and select the RecyclerView instance. Right-click on the RecyclerView and select the Set Sample Data menu option to display the Design-time View Attributes panel:

Figure 48-2

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