Hot Reloading

The hot reloading feature allows you to inject newly edited files at runtime without stopping the app. This way, you do not lose the state of the app that is especially useful when editing the UI.

The following video demonstrates hot reloading an app at runtime on Tizen TV emulator:

test_video

Beholder

Beholder is a hot reloading support tool for programs using Tizen.NET’s NUI.

Hot reloading refreshes the files that were changed, without losing the state of the app.

After launching the application on the emulator or real device, you can apply the changed file without stopping the application.

If there are several stages in the screen, you can update the screen without taking a step back, changes gets applied to all the files.

Enable hot reloading

Install beholder with private feed

Add the feed to your VS extension private gallery: https://nui-dali.github.io/Beholder/gallery/feed.xml{:target="_blank"}

extension_setup

To add a private gallery to extensions and updates, perform following steps:

  1. On the menu bar, select Tools > Options.
  2. In the Environment node, select Extensions.
  3. Select the Add button.
  4. In the Name field, enter a name for the beholder.
  5. In the URL field, enter the URL.

To search for and install extensions from a private gallery, perform following steps:

  1. On the menu bar, select Extensions > Manage Extensions.
  2. In the left pane, select Online Extensions, and then select Beholder.
  3. In the right pane, select Tizen.NUI.Hotreloading, and then select the Download button.

You can learn more about how to install your personal gallery in this MS article.

extension_setup

Beholder usage

  1. Open your NUI project.
  2. On the menu bar, select Tools > Enable Beholder.
  3. On the menu bar, select Debug > Run without Debug.
  4. Open and edit the xaml file.
  5. Save the xaml file.

Beholder_Menu

Now beholder is still in alpha test, you can see more information in the output window of Visual Studio.

Beholder_Output

Note

There is a delay of several seconds during the first hot reloading. Highest working Tizen.NET version is 9.0.0.16507. Highest working Tizen.NUI.XamlBuild version is 1.0.11.

  • Dependencies
    • Tizen 6.5 and Higher
Data Storages
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