Android如何实现直播app送礼物连击动画效果
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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:
/**
* @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 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);
}
/**
*
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_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;
}
/**
*
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(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;
}
}
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