android直播app礼物连击动画效果

最近在做公司的直播项目，需要实现一个观看端连击送礼物的控件：
直接上代码:
public class CustomGiftView extends LinearLayout {    private Timer timer;    private List 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) {        super(context, attrs, defStyleAttr);    }    @RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)    public CustomGiftView(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {        super(context, attrs, defStyleAttr, defStyleRes);    }    /**     *
 Description: todo(这里用一句话描述这个方法的作用)     *
 Author:      yangyinglong     *
 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_layout_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.remove(0);        }        return view;    }    /**     *
 Description: todo(这里用一句话描述这个方法的作用)     *
 Author:      yangyinglong     *
 Date:        2017/7/11 16:54     * @param tag     */    public void showGift(GiftInfo giftInfo) {        View giftView = this.findViewWithTag(giftInfo.getGiftID() + giftInfo.getSenderFace());        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(giftInfo.getGiftID() + giftInfo.getSenderFace());/*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(giftInfo.getSenderNickName());            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());            NumAnim numAnim = new NumAnim();            giftNum.setTag(R.id.tag_imageview,numAnim);            numAnim.start(giftNum);        }    }    /**     * 数字放大动画     */    public static class NumAnim {        private Animator lastAnimator = null;        private NumAnim lastNumAnim;        public void start(View view) {            lastNumAnim = (NumAnim) view.getTag(NumAnim.class.hashCode());            if (lastNumAnim != null) {                if (lastNumAnim.lastAnimator != null) {                    lastNumAnim.lastAnimator.removeAllListeners();                    lastNumAnim.lastAnimator.end();                    lastNumAnim.lastAnimator.cancel();                }            }            ObjectAnimator anim1_1 = ObjectAnimator.ofFloat(view, "scaleX",3.0f,0.5f);            ObjectAnimator anim1_2 = ObjectAnimator.ofFloat(view, "scaleY",3.0f,0.5f);            ObjectAnimator anim1_3 = ObjectAnimator.ofFloat(view,"alpha",0.8f);            AnimatorSet animatorSet1 = new AnimatorSet();            animatorSet1.setDuration((long) (700 * 0.1));            animatorSet1.setInterpolator(new LinearInterpolator());            animatorSet1.playTogether(anim1_1,anim1_2,anim1_3);            ObjectAnimator anim2_1 = ObjectAnimator.ofFloat(view, "scaleX",1.2f);            ObjectAnimator anim2_2 = ObjectAnimator.ofFloat(view, "scaleY",1.2f);            ObjectAnimator anim2_3 = ObjectAnimator.ofFloat(view, "alpha",1.0f);            AnimatorSet animatorSet2 = new AnimatorSet();            animatorSet2.setDuration((long) (700 * 0.2));            animatorSet2.setInterpolator(new LinearInterpolator());            animatorSet2.playTogether(anim2_1,anim2_2,anim2_3);            ObjectAnimator anim3_1 = ObjectAnimator.ofFloat(view, "scaleX",1.0f);            ObjectAnimator anim3_2 = ObjectAnimator.ofFloat(view, "scaleY",1.0f);            AnimatorSet animatorSet3 = new AnimatorSet();            animatorSet3.setDuration((long) (700 * 0.2));            animatorSet3.setInterpolator(new LinearInterpolator());            animatorSet3.playTogether(anim3_1,anim3_2);            AnimatorSet animSet = new AnimatorSet();//            lastAnimator = animSet;//            animSet.setDuration(500);//            animSet.setInterpolator(new OvershootInterpolator());            animSet.playSequentially(animatorSet1, animatorSet2,animatorSet3);            animSet.playSequentially();            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;        }    }}
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