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I am working on a Tizen .net application for wearable devices. I cannot find information on how to gain access to the device hardware such as the menu or back button. I have found how to access the hardware and software bezel in the Wearable CircularUI documentation noted below.

https://developer.tizen.org/zh-hans/development/guides/.net-application/application-management/applications/watch-application

There appear to be at least a few other references to this for native or web applications, but I could not find any API for .net applications. Please advise

behzad
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axa
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1 Answers1

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First, Application can't handle home hardware key only can handle Back hardware key. if You use Xamarin.forms, you can override OnBackButtonPressed method to handle Back hardware key

Here is guide to use Bezel event https://samsung.github.io/Tizen.CircularUI/guide/IRotaryEventReceiver.html

Seungkeun Lee
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  • I see. When using Tizen.Net hardware buttons are not part of Tizen API but rather they are abstracted and handled as part of Xamarin Forms API. – axa Jan 02 '20 at 09:32
  • No, you can handle `Back` hardware buttons if you use Tizen.API. https://samsung.github.io/TizenFX/API4/api/ElmSharp.EvasObject.html#ElmSharp_EvasObject_BackButtonPressed – Seungkeun Lee Jan 03 '20 at 01:06
  • So this is TizenFX API, but within it is ELM Sharp API which is beta? I would avoid any non production ready code at this point. Is there some explanation the relationship between Tizen for Xamarin vs Tizen FX vs ELMSharp. I am genuinely confused – axa Jan 03 '20 at 19:34
  • For 3rd party developers, Tizen supports Native API, Web API, and C# API. Native API is consisted of Tizen Sub-system API (AppFw, Content, Multimedia, Network, EFL (UI FW), etc) + Open Source (libc, glibc, OpenSSL, Curl, ..) To support better dev environment, C# was adopted recently. "FizenFx" could be the wrapper of Tizen Sub-system API. "EFLSharp" is beta(temporal) version of EFL UI FW. Newly designed UI FW will replace "EFLSharp", but, deprecated EFLSharp will be maintained for several release. Xamarin.Forms is for cross-platform UI programming. – Lunch Basketball Jan 06 '20 at 05:56