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When developing mobile apps, it’s often necessary to allow users to select contacts from their device’s address book. In Xamarin Forms, the Contact Picker feature allows developers to easily access a user’s contacts and retrieve information such as their phone number and email address.
The Contact Picker feature is built into the Xamarin Forms framework and can be easily implemented in a Xamarin Forms application. Once the Contact Picker is implemented, users will be able to select one or more contacts from their device’s address book, and the app can then use the selected information for various purposes.
For example, a messaging app could use the Contact Picker to allow users to select recipients for a message, or a calendar app could use it to invite contacts to an event. In addition, the Contact Picker can also be used to retrieve contact information for use in other parts of the app, such as displaying a user’s contact information in a settings page.
The Contact Picker can be invoked in several ways, such as a button click or a gesture. Once the user has selected their contacts, the app can retrieve the contact information, such as the name, phone number, and email address, and use it as needed.
It is important to note that the Contact Picker feature does require the user’s permission to access their contacts. A user will be prompted to grant permission for the app to access their contacts when the Contact Picker is first invoked. It’s also a best practice to include a privacy policy in your app, explaining what data you will collect and how it will be used.
In summary, the Contact Picker feature in Xamarin Forms allows developers to easily access a user’s contacts and retrieve information such as their phone number and email address. This feature can be easily implemented in a Xamarin Forms application and can be used for various purposes such as allowing users to select recipients for a message, or to invite contacts to an event. The user’s permission is required to access their contacts and it’s a best practice to include a privacy policy in your app, explaining what data you will collect and how it will be used.
Cookbook – Xamarin for Beginners – Chapter 28: Contact Picker – Xamarin Forms (Android and iOS)
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