学步园

ProgressBar

<ProgressBar
  android:layout_width="wrap_content"
  android:layout_height="wrap_content"
  android:indeterminateDrawable="@drawable/progress_my_style"
  style="?android:attr/progressBarStyle"
/>

旋转形式:

<animated-rotate xmlns:android="http://schemas.android.com/apk/res/android"
  android:drawable="@drawable/spinner_color"
  android:pivotX="50%"
  android:pivotY="50%"
  />

补间动画形式:

<?xml version="1.0" encoding="UTF-8"?>
<animation-list xmlns:android="http://schemas.android.com/apk/res/android"
    android:oneshot="false" >

    <item
        android:drawable="@drawable/loading01"
        android:duration="150"/>
    <item
        android:drawable="@drawable/loading02"
        android:duration="150"/>
    <item
        android:drawable="@drawable/loading03"
        android:duration="150"/>
    <item
        android:drawable="@drawable/loading04"
        android:duration="150"/>
    <item
        android:drawable="@drawable/loading05"
        android:duration="150"/>
    <item
        android:drawable="@drawable/loading06"
        android:duration="150"/>
    <item
        android:drawable="@drawable/loading07"
        android:duration="150"/>

</animation-list>