Function setTheme

setTheme(theme?: Theme | null): Promise<void>
Sets the application's theme. Pass in null or undefined to follow the system theme.
Parameters
- Optionaltheme: Theme | null
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:219