<!--

    根标签为animation-list，其中oneshot代表着是否只展示一遍，设置为false会不停的循环播放动画   true展示一遍

    根标签下，通过item标签对动画中的每一个图片进行声明 

  android:duration 表示展示该图片的时间长度 

-->

<?xmlversion="1.0"encoding="utf-8"?>

<animation-listxmlns:android="http://schemas.android.com/apk/res/android"

    android:oneshot="false">

    <item

        android:drawable="@drawable/loading1"

        android:duration="100"/>

    <item

        android:drawable="@drawable/loading2"

        android:duration="100"/>

    <item

        android:drawable="@drawable/loading3"

        android:duration="100"/>

    <item

        android:drawable="@drawable/loading4"

        android:duration="100"/>

    <item

        android:drawable="@drawable/loading5"

        android:duration="100"/>

    <item

        android:drawable="@drawable/loading6"

        android:duration="100"/>

    <item

        android:drawable="@drawable/loading7"

        android:duration="100"/>

    <item

        android:drawable="@drawable/loading8"

        android:duration="100"/>

    <item

        android:drawable="@drawable/loading9"

        android:duration="100"/>

    <item

        android:drawable="@drawable/loading10"

        android:duration="100"/>

    <item

        android:drawable="@drawable/loading11"

        android:duration="100"/>

    <item

        android:drawable="@drawable/loading12"

        android:duration="100"/>

</animation-list>

<?xmlversion="1.0"encoding="utf-8"?>

<LinearLayoutxmlns:android="http://schemas.android.com/apk/res/android"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:background="@android:color/white"

    android:gravity="center_horizontal"

    android:orientation="vertical">

    <ProgressBar

        android:id="@+id/xlistview_footer_progressbar"

        android:layout_width="21dp"

        android:layout_height="21dp"

        android:layout_centerInParent="true"

        android:layout_marginTop="15dp"

        android:indeterminate="false"

        android:indeterminateDrawable="@anim/loading"/>

    <ImageView

        android:id="@+id/imageView1"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_marginTop="50dp"/>

    <LinearLayout

        android:layout_width="match_parent"

        android:layout_height="wrap_content">

        <Button

            android:id="@+id/button1"

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:text="启动"/>

        <Button

            android:id="@+id/button2"

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:text="暂停"/>

    </LinearLayout>

</LinearLayout>

效果图：

源码下载：  http://download.csdn.net/detail/dickyqie/9673734