The field 'BitBadgeDemo.example7CsharpCode' is assigned but its value is never used

The field 'BitCalendarDemo.example1CsharpCode' is assigned but its value is never used

'Application.MainPage.set' is obsolete: 'This property is deprecated. Initialize your application by overriding Application.CreateWindow rather than setting MainPage. To modify the root page in an active application, use Windows[0].Page for applications with a single window. For applications with multiple windows, use Application.Windows to identify and update the root page on the correct window. Additionally, each element features a Window property, accessible when it's part of the current window.'

This call site is reachable on: 'Android' 24.0 and later. 'View.SystemUiFlags' is obsoleted on: 'Android' 30.0 and later (These flags are deprecated. Use WindowInsetsController instead.). (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1422)

This call site is reachable on: 'Android' 24.0 and later. 'View.SystemUiFlags' is obsoleted on: 'Android' 30.0 and later (These flags are deprecated. Use WindowInsetsController instead.). (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1422)

This call site is reachable on: 'Android' 24.0 and later. 'Window.SetStatusBarColor(Color)' is obsoleted on: 'Android' 35.0 and later. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1422)

Enable analyzer release tracking for the analyzer project containing rule 'BITGEN001' (https://github.com/dotnet/roslyn-analyzers/blob/main/src/Microsoft.CodeAnalysis.Analyzers/ReleaseTrackingAnalyzers.Help.md)

Because this call is not awaited, execution of the current method continues before the call is completed. Consider applying the 'await' operator to the result of the call.

Because this call is not awaited, execution of the current method continues before the call is completed. Consider applying the 'await' operator to the result of the call.

Because this call is not awaited, execution of the current method continues before the call is completed. Consider applying the 'await' operator to the result of the call.

Because this call is not awaited, execution of the current method continues before the call is completed. Consider applying the 'await' operator to the result of the call.

Dereference of a possibly null reference.

Possible null reference argument for parameter 'value' in 'RenderFragment RenderFragment<TItem>.Invoke(TItem value)'.

Possible null reference argument for parameter 'value' in 'RenderFragment RenderFragment<TItem>.Invoke(TItem value)'.

Argument of type 'IEnumerable<TValue?>' cannot be used for parameter 'arg' of type 'IEnumerable<TValue>' in 'Task EventCallback<IEnumerable<TValue>>.InvokeAsync(IEnumerable<TValue>? arg)' due to differences in the nullability of reference types.