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();
      }
    });
  }
}

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

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