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When the work began on the next chapter of this book (TBD) it was originally intended that it would include the steps to design the user interface layout for the Room database example application. It quickly became evident, however, that the best way to implement the user interface was to make use of the Android TableLayout and TableRow views and that this topic area deserved a self-contained chapter. As a result, this chapter will focus solely on the user interface design of the database application to be completed in the next chapter, and in doing so, take some time to introduce the basic concepts of table layouts in Android Studio.
== The The TableLayout and TableRow Layout Views ==
The purpose of the TableLayout container view is to allow user interface elements to be organized on the screen in a table format consisting of rows and columns. Each row within a TableLayout is occupied by a TableRow instance, which, in turn, is divided into cells, with each cell containing a single child view (which may itself be a container with multiple view children).
