Android直播app送礼物连击动画效果(实例代码)

/** * @author yangyinglong on 2017/7/11 16:52. * @Description: todo(这里用一句话描述这个类的作用) * @Copyright Copyright (c) 2017 Tuandai Inc. All Rights Reserved. */public class CustomGiftView extends LinearLayout {  private Timer timer;  private List<View> giftViewCollection = new ArrayList<>();  public CustomGiftView(Context context) {    this(context,null);  }  public CustomGiftView(Context context, @Nullable AttributeSet attrs) {    this(context, attrs,0);  }  public CustomGiftView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {    this(context, attrs, defStyleAttr,0);  }  public CustomGiftView(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {    super(context, attrs, defStyleAttr, defStyleRes);  }  /**   *<br> Description: todo(这里用一句话描述这个方法的作用)   *<br> Author:   yangyinglong   *<br> Date:    2017/7/11 17:40   */  public void pause() {    if (null != timer) {      timer.cancel();    }  }  public void cancel() {    if (null != timer) {      timer.cancel();    }  }  public void resume() {    clearTiming();  }  /**   * 定时清除礼物   */  private void clearTiming() {    TimerTask task = new TimerTask() {      @Override      public void run() {        int count = CustomGiftView.this.getChildCount();        for (int i = 0; i < count; i++) {          View view = CustomGiftView.this.getChildAt(i);          CustomRoundView crvheadimage = (CustomRoundView) view.findViewById(R.id.crvheadimage);          long nowtime = System.currentTimeMillis();          long upTime = (Long) crvheadimage.getTag();          if ((nowtime - upTime) >= 3000) {            final int j = i;            post(new Runnable() {              @Override              public void run() {                CustomGiftView.this.removeViewAt(j);              }            });//            removeGiftView(i);            return;          }        }      }    };    if (null != timer) {      timer.cancel();    }    timer = new Timer();    timer.schedule(task, 0, 100);  }  /**   * 添加礼物view,(考虑垃圾回收)   */  private View addGiftView() {    View view = null;    if (giftViewCollection.size() <= 0) {      /*如果垃圾回收中没有view,则生成一个*/      view = LayoutInflater.from(getContext()).inflate(R.layout.item_gift, null);      LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);      lp.topMargin = 10;      view.setLayoutParams(lp);      this.addOnAttachStateChangeListener(new View.OnAttachStateChangeListener() {        @Override        public void onViewAttachedToWindow(View view) { }        //复用Item，当一个View移除时将它放到池内        @Override        public void onViewDetachedFromWindow(View view) {          if (giftViewCollection.size() < 5) {            giftViewCollection.add(view);          }        }      });    } else {      //如果Item池内有缓存的view，将它取出来，并从池中删除      view = giftViewCollection.get(0);      giftViewCollection.remove(view);    }    return view;  }  /**   *<br> Description: todo(这里用一句话描述这个方法的作用)   *<br> Author:   yangyinglong   *<br> Date:    2017/7/11 16:54   * @param tag   */  public void showGift(String tag) {    View giftView = this.findViewWithTag(tag);    if (giftView == null) {/*该用户不在礼物显示列表*/      giftView = addGiftView();/*获取礼物的View的布局*/      giftView.setTag(tag);/*设置view标识*/      CustomRoundView crvheadimage = (CustomRoundView) giftView.findViewById(R.id.crvheadimage);      final MagicTextView giftNum = (MagicTextView) giftView.findViewById(R.id.giftNum);/*找到数量控件*/      TextView sender = (TextView) giftView.findViewById(R.id.sender);      sender.setText(tag);      giftNum.setText("x1");/*设置礼物数量*/      crvheadimage.setTag(System.currentTimeMillis());/*设置时间标记*/      giftNum.setTag(1);/*给数量控件设置标记*/      this.addView(giftView,0);/*将礼物的View添加到礼物的ViewGroup中*///      llgiftcontent.invalidate();/*刷新该view*/      TranslateAnimation inAnim = (TranslateAnimation) AnimationUtils.loadAnimation(getContext(), R.anim.gift_in);      giftView.startAnimation(inAnim);/*开始执行显示礼物的动画*/      inAnim.setAnimationListener(new Animation.AnimationListener() {/*显示动画的监听*/        @Override        public void onAnimationStart(Animation animation) { }        @Override        public void onAnimationEnd(Animation animation) {          //注释调，第一次添加没动画//          giftNumAnim.start(giftNum);          Log.d("gao","" + CustomGiftView.this.getHeight());        }        @Override        public void onAnimationRepeat(Animation animation) { }      });    } else {/*该用户在礼物显示列表*/      for (int i = 0;i < CustomGiftView.this.getChildCount();i ++) {        if (giftView.equals(CustomGiftView.this.getChildAt(i))) {          if (i >= 3) {            CustomGiftView.this.removeView(giftView);          }        }      }//            llgiftcontent.addView(giftView,0);      CustomRoundView crvheadimage = (CustomRoundView) giftView.findViewById(R.id.crvheadimage);/*找到头像控件*/      MagicTextView giftNum = (MagicTextView) giftView.findViewById(R.id.giftNum);/*找到数量控件*/      int showNum = (Integer) giftNum.getTag() + 1;      giftNum.setText("x"+showNum);      giftNum.setTag(showNum);      crvheadimage.setTag(System.currentTimeMillis());      new NumAnim().start(giftNum);    }  }  /**   * 数字放大动画   */  public static class NumAnim {    private Animator lastAnimator = null;    public void start(View view) {      if (lastAnimator != null) {        lastAnimator.removeAllListeners();        lastAnimator.end();        lastAnimator.cancel();      }      ObjectAnimator anim1 = ObjectAnimator.ofFloat(view, "scaleX",0.7f, 1.5f,1f);      ObjectAnimator anim2 = ObjectAnimator.ofFloat(view, "scaleY",0.7f, 1.5f,1f);      AnimatorSet animSet = new AnimatorSet();      lastAnimator = animSet;      animSet.setDuration(500);      animSet.setInterpolator(new OvershootInterpolator());      animSet.playTogether(anim1, anim2);      animSet.start();    }  }  public static class GiftInfo {    private String senderFace;    private String senderNickName;    private String giftUrl;    private int giftID;    public String getSenderFace() {      return senderFace;    }    public void setSenderFace(String senderFace) {      this.senderFace = senderFace;    }    public String getSenderNickName() {      return senderNickName;    }    public void setSenderNickName(String senderNickName) {      this.senderNickName = senderNickName;    }    public String getGiftUrl() {      return giftUrl;    }    public void setGiftUrl(String giftUrl) {      this.giftUrl = giftUrl;    }    public int getGiftID() {      return giftID;    }    public void setGiftID(int giftID) {      this.giftID = giftID;    }  }}