Introducing .NET MAUI by 2023

Author:2023
Language: eng
Format: epub

Chapter 8 advanCed UI ConCepts

Possible Ways of Achieving Your Goal

There are several ways you can go about adding in this piece of

functionality. Some are better suited to different scenarios and some

simply come down to a personal preference. I encourage you to

understand your goal before you embark on this journey of working out

which option will best suit your need. If you only wish to report a message

to the user or capture a choice or even a single piece of input, then you can

utilize some underlying functionality provided by .NET MAUI. The Page

class provides the ability to do each of the three items discussed; it doesn’t

solve your needs, but it really does have value in many applications. The

Microsoft documentation provides a good set of reference examples on

how to use these options at https://learn.microsoft.com/dotnet/maui/

user-interface/pop-ups.

Let’s discuss some of these options that do solve your needs and

then make a decision on which you feel is the best candidate for your

application.

Showing a Modal Page

So far in this book you have only considered how Shell offers the

ability to navigate between ContentPages. This is the default and most

common scenario. There can be times when you wish to show a page

that is blocking and will require the user to engage with it to return to the

previous page. This type of page or display is referred to as modal. The

scenario of showing something to the user and requiring them to engage

with it could be a perfect scenario.

In order to enable this functionality in .NET MAUI, you need to set the

Shell.PresentationMode property on the ContentPage that you wish to

display. For example,

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