See part one on how to pass the text that was typed in passed to the command. This next tip runs the search command when the text changes, as you type. Add a new behaviour, I added this to a subfolder “Behaviour” Then in the view add a new xmlns And add the behaviour like Read more about Xamarin SearchBar Tip 2 – search as you type[…]

If you’re using a SearchBar control, you’ll need to pass the text that’s been entered. Instead of using a property you can use a Binding “trick” instead. You’ll notice that SearchCommandParameter is set to bind to the text property of the SearchBar itself

Still learning Xamarin. I have built a login page, validation, called a web api to login and stored credentials after the user has logged in. I now wanted to show a loading graphic whilst the web api is being hit. Xamarin has a built in control called ActivityIndicator. I defined a new property in my ViewModel to Read more about Xamarin – Display a loading graphic when performing an async operation[…]

In my earlier post validate entries using behaviours I showed how I used Xamarin behaviours to show validation messages to the user. This is good, but it didn’t prevent the button from being pressed/submitted. Here’s how I achieved this. In my ViewModel add properties for the validators I use in the view These need to be Read more about Xamarin disable button & validating entries with behaviours[…]

I had created a login form using Xamarin Forms this makes a http post to a REST api. Returning the users ID. Logging in can be a pain, so I was looking for a way to securely store the login credentials once the user has been authenticated. Xamarin.Auth has a feature to allow this. It Read more about Xamarin store login credentials[…]

This is based on a post here https://blog.xamarin.com/behaviors-in-xamarin-forms/ which is a little incomplete and had a couple of errors and some omissions. The following example shows how to validate that an email address is valid Create a new class that inherits from Behavior<T>. Make sure you don’t just inherit from Behavior as the code sample shows. Read more about Validate Entries using behaviours[…]