Function setTheme

setTheme(theme?: null | Theme): Promise<void>
Set app's theme, pass in null or undefined to follow system theme
Parameters
- Optionaltheme: null | Theme
Returns Promise<void>
Example
```
import { setTheme } from '@tauri-apps/api/app';
await setTheme('dark');
```
Platform-specific
- iOS / Android: Unsupported.
Since
2.0.0
- Defined in app.ts:213