<?xml version="1.0" encoding="utf-8"?>

<LinearLayout

xmlns:android="http://schemas.android.com/apk/res/android"

android:orientation="vertical"

android:gravity="center"

android:layout_width="match_parent"

android:layout_height="match_parent">

<ProgressBar

android:id="@+id/progress_bar"

android:indeterminate="true" // Đặt progress nằm ở vị trí bất kì

android:layout_width="40dp"

android:layout_height="wrap_content"/>

</LinearLayout>

View footerView; // Biến toàn cục

// Ánh xạ

LayoutInflater inflater = (LayoutInflater) getSystemService(LAYOUT_INFLATER_SERVICE);

footerView = inflater.inflate(R.layout.progresbar, null);

listView.addFooterView(footerView);

listView.removeFooterView(footerView);