Xamarin Mobile Development for Android Cookbook

Enabling fast scrolling

Locating a specific item in a large list is fairly difficult, so we should provide a means to help the user get there quickly.

How to do it...

In order to help the user navigate through large lists, Android provides a few means to skip large sections of data. One of these aids is Fast Scroll, or simply, using a scroll thumb.

• In order to enable the thumb, we set the FastScrollEnabled property:

  listView.FastScrollEnabled = true;

• Alternatively, if we are using the layout resources, we can set the FastScrollEnabled property as follows:

  android:fastScrollEnabled="true"

• If we are targeting Android versions 3.0 and later, and want the thumb to always be visible, we can use the FastScrollAlwaysVisible property:

  listView.FastScrollAlwaysVisible ...