May 2022
Intermediate to advanced
688 pages
20h 12m
English
book
Android Programming: The Big Nerd Ranch Guide, 5th Edition
by Bryan Sills, Brian Gardner, Kristin Marsicano, Chris Stewart
Content preview from Android Programming: The Big Nerd Ranch Guide, 5th Edition
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Implementing an Adapter to Populate the RecyclerView
Figure 10.6 is somewhat simplified. RecyclerView does not create ViewHolders itself. Instead, it asks an adapter. An adapter is a controller object that sits between the RecyclerView and the data set that the RecyclerView should display.
The adapter is responsible for:
-
creating the necessary ViewHolders when asked
-
binding data to ViewHolders from the model layer when asked
The recycler view is responsible for:
-
asking the adapter to create a new ViewHolder
-
asking the adapter to bind a ViewHolder to the item from the backing data at a given position
Time to create your adapter. Add a new class named CrimeListAdapter in CrimeListAdapter.kt. Add a primary constructor ...
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