Implementation of listview pull-down refresh in Android

The drop-down refresh in listview is very common and often used. When I see that many students want to refresh, I'll sort it out for your reference. Then I won't explain, just go to the code.

Here, you need to rewrite the listview yourself. The rewriting code is as follows:

After rewriting the listview, it is used in the layout file. The header drop-down refreshes the layout file Lv_ The header.xml code is as follows:

Set in main.xml. The code is as follows:

Then it is implemented in mainactivity. The code is as follows:

Here, you also need to set the following adapters for listview. The customized adapters are as follows:

If you want to conduct in-depth research on Android listview, you can refer to the special topic summary of usage methods of Android listview.

That's it. The explanation in the code is very detailed. I won't say more about it or explain it. Take a look and study for yourself!