Keeping the user informed of activity

There are two ways to let the user know that your application is working on something time-consuming:

• ActivityIndicator
• ProgressBar

ActivityIndicator essentially says, “I’m working on it, but I don’t know how long it will take,” whereas ProgressBar says, “I’m working on it, and I’m about halfway done.” Let’s explore each of these in a bit more detail.

ActivityIndicator

We’ll start by adding ActivityIndicator to the login page below the Buttons:

<ActivityIndicator
    Color="Blue"
    IsRunning="{Binding ActivityIndicatorIsRunning}" />

Notice that the IsRunning property is bound to the ActivityIndicatorIsRunning property. That property is in LoginViewModel (you’ll remember that we set that file as the binding context):

[ObservableProperty] private bool activityIndicatorIsRunning...