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Android Programming with Kotlin for Beginners
book

Android Programming with Kotlin for Beginners

by John Horton
April 2019
Beginner to intermediate content levelBeginner to intermediate
698 pages
15h 15m
English
Packt Publishing
Content preview from Android Programming with Kotlin for Beginners

Backing up user data in Note to self

So, with our new-found insight into exceptions, let's modify our Note to self code, and then we can be introduced to JSONObject and JSONException.

First, let's make some minor modifications to our Note class.

Add some more properties that will act as the key in a key-value pair for each aspect of our Note class:

private val JSON_TITLE = "title"
private val JSON_DESCRIPTION = "description"
private val JSON_IDEA = "idea"
private val JSON_TODO = "todo"
private val JSON_IMPORTANT = "important"

Now, add a constructor and an empty default constructor that receives a JSONObject reference and throws a JSONException error. The body of the first constructor initializes each of the members that define the properties of a ...

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Publisher Resources

ISBN: 9781789615401Supplemental Content