Masked Entry Xamarin | How to use Masked entry in xamarin

Published: 28 December 2021
on channel: Programming Guru
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Masked Entry in Xamarin
A mask on an entry field is way to format the input into something more human readable. For example, a phone number may look like +61 400 555 555, or (555) 555-555. There are many ways to implement a mask. For maximum configurability, you would use Regex, however for most simple cases, we can implement something much easier.
Behavior

The easiest way to implement a mask, is through a Behavior. This code will set the char positions that each mask character is meant to be located at. For example, in this code, we will choose X as our special character. Hence a mask of (XXX) XXX-XXX, will mean that spaces, brackets and dashes will all be included as part of the non-user typed entry.

The MaskedBehavior is a behavior that allows the user to define an input mask for data entry. Adding this behavior to an Entry control will force the user to only input values matching a given mask. Examples of its usage include input of a credit card number or a phone number.

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Masked Entry in Xamarin forms | Xamarin Masked Entry | How to create and use Masked Entry in Xamarin
Masked Entry in Xamarin forms | Xamarin Masked Entry | How to create and use Masked Entry in Xamarin
Masked Entry in Xamarin forms | Xamarin Masked Entry | How to create and use Masked Entry in Xamarin
Masked Entry in Xamarin forms | Xamarin Masked Entry | How to create and use Masked Entry in Xamarin


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