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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Simple Persistence with DataStore
In your app, there will only be one active query at a time. PhotoGalleryViewModel persists the query for the user’s perceived life of the fragment. But the query should also be persisted between restarts of the app (even if the user turns off the device).
You will achieve this using the DataStore AndroidX library. DataStore is a library that helps you interact with shared preferences, files stored on the filesystem that your app can use to store key-value pairs. Any time the user submits a query, you will write the search term to shared preferences, overwriting whatever query was there before. When the application first launches, you will pull the stored query from shared preferences and use it to ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.