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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For the More Curious: Activity and Instance State
SavedStateHandle is an easy-to-use API that allows you to safely store and retrieve instance state and persist that information even if your process is killed. But it has not always been around. Before SavedStateHandle was released in 2020, developers were expected to use APIs within Activity.
To store instance state, developers used the Activity.onSaveInstanceState(Bundle) function. Similar to Activity.onPause() and Activity.onStop(), Activity.onSaveInstanceState(Bundle) is like a lifecycle callback called during the teardown of an activity. To retrieve instance state, developers used an API you are already familiar with: Activity.onCreate(Bundle?). The Bundle? passed in as a parameter ...
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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.