详解android 中animation-list 动画的应用

/**
 * 适用于animation-list 动画
 * Created by _Smile on 2016/6/13.
 */

public class AnimImageViewLoader extends ImageView {

  private AnimationDrawable frameAnimation;

  public AnimImageViewLoader(Context context, AttributeSet attrs, int defStyle) {
    super(context, attrs, defStyle);
    init();
  }

  public AnimImageViewLoader(Context context, AttributeSet attrs) {
    super(context, attrs);
    init();
  }

  public AnimImageViewLoader(Context context) {
    super(context);
    init();
  }

  /**
   * 初始化动画信息
   */
  private void init() {
    frameAnimation = (AnimationDrawable) getBackground();
    post(new Runnable(){
      public void run(){
        frameAnimation.start();
      }
    });
  }

  /**
   * 开启动画显示
   */
  public void startAnimation() {
    frameAnimation = (AnimationDrawable) getBackground();
    post(new Runnable() {
      @Override
      public void run() {
        frameAnimation.start();
      }
    });
  }

  /**
   * 关闭动画显示
   */
  public void stopAnimation() {
    post(new Runnable() {
      @Override
      public void run() {
        frameAnimation.stop();
      }
    });
  }
}

<com.tecsun.tsb.res.widget.AnimImageViewLoader
        android:id="@+id/aiv_take_id_card_pic"
        style="@style/style_wrap_content"
        android:layout_alignTop="@id/iv_id_card_take_pic_main"
        android:background="@drawable/anim_id_card_positive_pic" />

AnimImageViewLoader aivIdCardPic = xFindViewById(R.id.aiv_take_id_card_pic);
 aivIdCardPic.setBackgroundResource(R.drawable.anim_id_card_negative_pic);
 aivIdCardPic.startAnimation();

<?xml version="1.0" encoding="utf-8"?>
<!--图片动画-->
<animation-list xmlns:android="http://schemas.android.com/apk/res/android">
  <item android:drawable="@mipmap/ic_id_card_negative_01" android:duration="300"/>
  <item android:drawable="@mipmap/ic_id_card_negative_02" android:duration="300"/>
  <item android:drawable="@mipmap/ic_id_card_negative_03" android:duration="300"/>
  <item android:drawable="@mipmap/ic_id_card_negative_04" android:duration="300"/>
  <item android:drawable="@mipmap/ic_id_card_negative_05" android:duration="300"/>
  <item android:drawable="@mipmap/ic_id_card_negative_06" android:duration="300"/>
</animation-list>