本文给大家分享高级UI特效仿直播点赞效果―一个优美炫酷的点赞动画,具体实现代码大家参考本文。
效果图如下:
攻克难点:
心形图片的路径等走向 心形图片的控制范围
部分代码如下:
通过AbstractPathAnimator定义飘心动画控制器
@OverrIDe public voID start(final VIEw child,final VIEwGroup parent) { parent.addVIEw(child,new VIEwGroup.LayoutParams(mConfig.heartWIDth,mConfig.heartHeight)); floatAnimation anim = new floatAnimation(createPath(mCounter,parent,2),randomrotation(),child); anim.setDuration(mConfig.animDuration); anim.setInterpolator(new linearInterpolator());//启动动画 anim.setAnimationListener(new Animation.AnimationListener() { @OverrIDe public voID onAnimationEnd(Animation animation) { mHandler.post(new Runnable() { @OverrIDe public voID run() { parent.removeVIEw(child); } }); mCounter.decrementAndGet(); } @OverrIDe public voID onAnimationRepeat(Animation animation) { } @OverrIDe public voID onAnimationStart(Animation animation) { mCounter.incrementAndGet(); } }); anim.setInterpolator(new linearInterpolator()); child.startAnimation(anim); }/** * 根据图片设置bitmap * @param color * @return */ public Bitmap createHeart(int color) { if (sHeart == null) { sHeart = BitmapFactory.decodeResource(getResources(),mHeartResID); } if (sHeartborder == null) { sHeartborder = BitmapFactory.decodeResource(getResources(),mHeartborderResID); } Bitmap heart = sHeart; Bitmap heartborder = sHeartborder; Bitmap bm = createBitmapSafely(heartborder.getWIDth(),heartborder.getHeight()); if (bm == null) { return null; } Canvas canvas = sCanvas; canvas.setBitmap(bm); Paint p = sPaint; canvas.drawBitmap(heartborder,p); p.setcolorFilter(new PorterDuffcolorFilter(color,PorterDuff.Mode.SRC_Atop)); float dx = (heartborder.getWIDth() - heart.getWIDth()) / 2f; float dy = (heartborder.getHeight() - heart.getHeight()) / 2f; canvas.drawBitmap(heart,dx,dy,p); p.setcolorFilter(null); canvas.setBitmap(null); return bm; }
如何创建一个path
public Path createPath(AtomicInteger counter,VIEw vIEw,int factor) { Random r = mRandom; int x = r.nextInt(mConfig.xRand); int x2 = r.nextInt(mConfig.xRand); int y = vIEw.getHeight() - mConfig.initY; int y2 = counter.intValue() * 15 + mConfig.animLength * factor + r.nextInt(mConfig.animLengthRand); factor = y2 / mConfig.bezIErFactor; //随机xPoint int xPointFactor = mRandom.nextInt(mConfig.xPointFactor); x = xPointFactor + x; x2 = xPointFactor + x2; int y3 = y - y2; y2 = y - y2 / 2; Path p = new Path(); p.moveto(mConfig.initX,y); p.cubicTo(mConfig.initX,y - factor,x,y2 + factor,y2); p.moveto(x,y2); p.cubicTo(x,y2 - factor,x2,y3 + factor,y3); return p; }
Activity中代码:
下面给大家分享一个源码:html5+canvas仿抖音直播爱心飘动点赞动画特效源码
总结
以上所述是小编给大家介绍的AndroID高级UI特效仿直播点赞动画效果,希望对大家有所帮助,如果大家有任何疑问请给我留言,小编会及时回复大家的。在此也非常感谢大家对编程小技巧网站的支持!
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