<vector xmlns:android="http://schemas.android.com/apk/res/android"
   android:height="64dp"
   android:width="64dp"
   android:viewportHeight="600"
   android:viewportWidth="600" >
   <group
     android:name="rotationGroup"
     android:pivotX="300.0"
     android:pivotY="300.0"
     android:rotation="45.0" >
     <path
       android:name="v"
       android:fillColor="#000000"
       android:pathData="M300,70 l 0,-70 70,70 0,0 -70,70z" />
   </group>
 </vector>

 <path
      android:name="v"
      android:strokeColor="#000000"
      android:strokeWidth="2"
      android:pathData="A 10 10 0 0 0 100 200"
      />

<?xml version="1.0" encoding="utf-8"?>
<vector xmlns:android="http://schemas.android.com/apk/res/android"
  android:height="256dp"
  android:width="256dp"
  android:viewportWidth="32"
  android:viewportHeight="32">
  <!-- draw a path -->
<path android:fillColor="#8fff"
  android:pathData="M20.5,9.5
            c-1.955,0,-3.83,1.268,-4.5,3
            c-0.67,-1.732,-2.547,-3,-4.5,-3
            C8.957,9.5,7,11.432,7,14
            c0,3.53,3.793,6.257,9,11.5
            c5.207,-5.242,9,-7.97,9,-11.5
            C25,11.432,23.043,9.5,20.5,9.5z" />
</vector>

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
  android:layout_width="match_parent"
  android:layout_height="match_parent"
  xmlns:app="http://schemas.android.com/apk/res-auto">
  <ImageView
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    app:srcCompat="@drawable/vectordrawable" />
</LinearLayout>

<vector xmlns:android="http://schemas.android.com/apk/res/android"
  android:height="64dp"
  android:width="64dp"
  android:viewportHeight="600"
  android:viewportWidth="600" >
  <group
    android:name="rotationGroup"
    android:pivotX="300.0"
    android:pivotY="300.0"
    android:rotation="45.0" >
    <path
      android:name="v"
      android:fillColor="#000000"
      android:pathData="M300,70 l 0,-70 70,70 0,0 -70,70z" />
  </group>
</vector>

<animated-vector xmlns:android="http://schemas.android.com/apk/res/android"
  android:drawable="@drawable/vector_drawable" >
  <target
    android:name="rotationGroup"
    android:animation="@anim/rotation" />
  <target
    android:name="v"
    android:animation="@anim/path_morph" />
</animated-vector>

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android">
  <objectAnimator
    android:duration="6000"
    android:propertyName="rotation"
    android:valueFrom="0"
    android:valueTo="360" />
</set>

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android">
    <objectAnimator
      android:duration="3000"
      android:propertyName="pathData"
      android:valueFrom="M300,70 l 0,-70 70,70 0,0  -70,70z"
      android:valueTo="M300,70 l 0,-70 70,0 0,140 -70,0 z"
      android:valueType="pathType"/>
</set>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
  android:layout_width="match_parent"
  android:layout_height="match_parent"
  xmlns:app="http://schemas.android.com/apk/res-auto">
  <ImageView
    android:id="@+id/image_view"
    android:layout_width="400dp"
    android:layout_height="400dp"
    app:srcCompat="@drawable/vector_drawable"/>
</LinearLayout>

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
  android:layout_width="match_parent"
  android:layout_height="match_parent"
  xmlns:app="http://schemas.android.com/apk/res-auto">
  <ImageView
    android:id="@+id/image_view"
    android:layout_width="400dp"
    android:layout_height="400dp"
    app:srcCompat="@drawable/vector_drawable_anim" />
</LinearLayout>

 ImageView imageView = (ImageView) findViewById(R.id.image_view);
    Drawable drawable = imageView.getDrawable();
    //AnimatedVectorDrawableCompat实现了Animatable接口
    if (drawable instanceof Animatable){
      ((Animatable) drawable).start();
    }