December 2015
Beginner
698 pages
15h 16m
English
Content preview from Android Programming for BeginnersBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 15. Android Intent and Persistence
In this chapter, we will look at a couple of different ways to save data to the Android device's permanent storage. Also, for the first time, we will add a second Activity to our app. It often makes sense when implementing a separate "screen," like a settings screen in our app, to do so in a new Activity. We could go to the trouble of hiding the original UI and then showing the new UI, but this would quickly lead to confusing and error-prone code. So, we will see how to add an Activity and navigate the user between them.
In this chapter, we will:
- Learn about Android Intents to switch the Activity and pass data
- Create a settings screen in a new Activity
- Persist the settings screen data using the
SharedPreferences ...
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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.