Implementation of Android custom control development practice listview pull-down refresh example code

This blog introduces a common Android function - listview drop-down refresh:

First, the mobile phone displays the following interface when the pull-down is not released:

The following code is a custom binding control:

Next, you need to customize your own listview to inherit from Android's own listview, so that you can add new methods.

For the listview in the XML file of mainactivity, do not use the Android listview, but use the above customized listview (with package name)

Important codes are summarized here. I hope to help you. Thank you.