March 2018
Beginner to intermediate
410 pages
10h 40m
English
Content preview from Mastering Internet of Things
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Creating a Device ID
The Internet contains a huge number of devices. To be able to distinguish our device from the rest, we must make sure to create a persistent Device ID for it, and make sure it's unique:
private string deviceId;
After having started the Arduino initiation, we need to check whether we have a deviceId created. We use our runtime settings library for this:
this.deviceId = await RuntimeSettings.GetAsync( "DeviceId", string.Empty);
If you haven't created one yet, let's do so. A simple way to generate a globally unique deviceId is to create a Guid. We also remove any hyphens:
if (string.IsNullOrEmpty(this.deviceId)) { this.deviceId = Guid.NewGuid().ToString(). Replace("-", string.Empty); await RuntimeSettings.SetAsync("DeviceId", ...Become 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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