January 2018
Intermediate to advanced
434 pages
14h 1m
English
Content preview from Kotlin Programming Cookbook
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How to do it…
Let's see an example of an extension property now:
- We will be using the example of shared preferences. You might be used to doing something like this to get hold of shared preferences:
PreferenceManager.getDefaultSharedPreferences(this)
- You can create an extension property on the Context class with name preferences and access it as follows:
val Context.preferences: SharedPreferences
get() = PreferenceManager
.getDefaultSharedPreferences(this)context.preferences.getInt("...")
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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.