Android仿每日優(yōu)鮮購(gòu)物車(chē)動(dòng)畫(huà)效果

public class AnimManager {    private WeakReference<Activity> mActivity;    private AnimListener mListener;    private long time;    private final View startView;    private final View endView;    private final String imageUrl;    private View animView;    private double scale;    private float animWidth;    private float animHeight;    private ViewGroup animMaskLayout;    private AnimModule animModule = AnimModule.SMALL;    private AnimManager() {        this(new Builder());    }
    AnimManager(Builder builder) {        this.mActivity = builder.activity;        this.startView = builder.startView;        this.endView = builder.endView;        this.time = builder.time;        this.mListener = builder.listener;        this.animView = builder.animView;        this.imageUrl = builder.imageUrl;        this.scale = builder.scale;        this.animWidth = builder.animWidth;        this.animHeight = builder.animHeight;        this.animModule = builder.animModule;    }

    /**     * 開(kāi)始動(dòng)畫(huà)     */    public void startAnim() {        if (startView == null || endView == null) {            throw new NullPointerException("startView or endView must not null");        }        int[] startLocation = new int[2];        int[] endLocation = new int[2];        startView.getLocationInWindow(startLocation);        endView.getLocationInWindow(endLocation);        if (animView != null) {            setAnim(startLocation, endLocation);        } else if (!TextUtils.isEmpty(imageUrl)) {            createImageAndAnim(startLocation, endLocation);        }    }
    private void createImageAndAnim(final int[] startLocation, final int[] endLocation) {        if(animModule == AnimModule.SMALL){            final ImageView animImageView = new ImageView(getActivity());            LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(ConvertUtils.dp2px(animWidth),                    ConvertUtils.dp2px(animHeight));            animImageView.setLayoutParams(layoutParams);            Glide.with(getActivity()).load(imageUrl)                    .asBitmap()                    .listener(new RequestListener<String, Bitmap>() {                        @Override                        public boolean onException(Exception e, String model, Target<Bitmap> target, boolean isFirstResource) {                            return false;                        }
                        @Override                        public boolean onResourceReady(Bitmap resource, String model, Target<Bitmap> target, boolean isFromMemoryCache, boolean isFirstResource) {                            setAnim(animImageView, startLocation, endLocation);                            return false;                        }                    })                    .into(animImageView);        }else {            if (startView != null) {                final CircleImageView circleImageView = new CircleImageView(getActivity());//            ViewGroup.LayoutParams starViewtLayoutParams = startView.getLayoutParams();                int min = Math.min(startView.getMeasuredWidth(), startView.getMeasuredHeight());                LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(min,                        min);                circleImageView.setBorderColor(Color.WHITE);                circleImageView.setBorderWidth(3);                circleImageView.setLayoutParams(layoutParams);                Glide.with(getActivity()).load(imageUrl)                        .asBitmap()                        .listener(new RequestListener<String, Bitmap>() {                            @Override                            public boolean onException(Exception e, String model, Target<Bitmap> target, boolean isFirstResource) {                                return false;                            }
                            @Override                            public boolean onResourceReady(Bitmap resource, String model, Target<Bitmap> target, boolean isFromMemoryCache, boolean isFirstResource) {                                setAnim(circleImageView, startLocation, endLocation);                                return false;                            }                        })                        .into(circleImageView);            }        }    }

    private void setAnim(int[] startLocation, int[] endLocation) {        setAnim(animView, startLocation, endLocation);    }
    private void setAnim(final View v, int[] startLocation, int[] endLocation) {        animMaskLayout = createAnimLayout(getActivity());        // 把動(dòng)畫(huà)小球添加到動(dòng)畫(huà)層        animMaskLayout.addView(v);        final View view = addViewToAnimLayout(v, startLocation);
        //終點(diǎn)位置        int endX = endLocation[0] - startLocation[0] + endView.getMeasuredWidth()/2;        // 動(dòng)畫(huà)位移的y坐標(biāo)        int endY = endLocation[1] - startLocation[1] + 10;        TranslateAnimation translateAnimationX = new TranslateAnimation(0, endX, 0, 0);        translateAnimationX.setInterpolator(new AccelerateInterpolator());        // 動(dòng)畫(huà)重復(fù)執(zhí)行的次數(shù)        translateAnimationX.setRepeatCount(0);        translateAnimationX.setFillAfter(true);
        TranslateAnimation translateAnimationY = new TranslateAnimation(0, 0, 0, endY);        translateAnimationY.setInterpolator(new AccelerateInterpolator());        translateAnimationY.setRepeatCount(0);        translateAnimationX.setFillAfter(true);        AnimationSet set = new AnimationSet(false);        set.setFillAfter(false);        if(animModule == AnimModule.BIG_CIRCLE){            ScaleAnimation scaleAnimation = new ScaleAnimation(1.0f, 0.1f, 1.0f, 0.1f);            scaleAnimation.setInterpolator(new AccelerateInterpolator());            scaleAnimation.setRepeatCount(0);            scaleAnimation.setFillAfter(true);            set.addAnimation(scaleAnimation);        }        set.addAnimation(translateAnimationY);        set.addAnimation(translateAnimationX);
        if (scale == 1) {            // 計(jì)算屏幕最遠(yuǎn)兩個(gè)點(diǎn)的直線距離            double diagonalDef = Math.sqrt(Math.pow(ScreenUtils.getScreenWidth(), 2) + Math.pow(ScreenUtils.getScreenHeight(), 2));            // 計(jì)算實(shí)際兩點(diǎn)的距離            double diagonal = Math.abs(Math.sqrt(Math.pow(startLocation[0] - endLocation[0], 2) + Math.pow(startLocation[1] - endLocation[1], 2)));            // 計(jì)算一個(gè)值,不同距離動(dòng)畫(huà)執(zhí)行的時(shí)間不同            scale = diagonal / diagonalDef;        }        // 動(dòng)畫(huà)的執(zhí)行時(shí)間,計(jì)算出的時(shí)間小于300ms默認(rèn)為300ms        set.setDuration((time * scale) < 1000 ? 1000 : (long) (time * scale));        view.startAnimation(set);        // 動(dòng)畫(huà)監(jiān)聽(tīng)事件        set.setAnimationListener(new Animation.AnimationListener() {            @Override            public void onAnimationStart(Animation animation) {                v.setVisibility(View.VISIBLE);                if (mListener != null) {                    mListener.setAnimBegin(AnimManager.this);                }            }
            @Override            public void onAnimationRepeat(Animation animation) {            }
            // 動(dòng)畫(huà)的結(jié)束調(diào)用的方法            @Override            public void onAnimationEnd(Animation animation) {                v.setVisibility(View.GONE);                animMaskLayout.removeAllViews();                if (mListener != null) {                    mListener.setAnimEnd(AnimManager.this);                }            }        });    }
    public void stopAnim() {        if (animMaskLayout != null && animMaskLayout.getChildCount() > 0) {            animMaskLayout.removeAllViews();        }    }
    private ViewGroup createAnimLayout(Activity mainActivity) {        ViewGroup rootView = (ViewGroup) mainActivity.getWindow().getDecorView();        LinearLayout animLayout = new LinearLayout(mainActivity);        LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams(                LinearLayout.LayoutParams.MATCH_PARENT,                LinearLayout.LayoutParams.MATCH_PARENT);        animLayout.setLayoutParams(lp);        animLayout.setId(R.id.anim_icon);        animLayout.setBackgroundResource(android.R.color.transparent);        rootView.addView(animLayout);        return animLayout;    }
    private View addViewToAnimLayout(final View view, int[] location) {        int x = location[0];        int y = location[1];        LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams(                LinearLayout.LayoutParams.WRAP_CONTENT,                LinearLayout.LayoutParams.WRAP_CONTENT);        lp.leftMargin = x;        lp.topMargin = y;        view.setLayoutParams(lp);        return view;    }
    /**     * 自定義時(shí)間     *     * @param time     * @return     */    public long setTime(long time) {        this.time = time;        return time;    }
    private Activity getActivity() {        return mActivity.get();    }
    public void setOnAnimListener(AnimListener listener) {        mListener = listener;    }
    //回調(diào)監(jiān)聽(tīng)    public interface AnimListener {
        void setAnimBegin(AnimManager a);
        void setAnimEnd(AnimManager a);
    }
    public static final class Builder {        WeakReference<Activity> activity;        View startView;        View endView;        View animView;        String imageUrl;        long time;        double scale;        float animWidth;        float animHeight;        AnimListener listener;        private AnimModule animModule = AnimModule.SMALL;        public Builder() {            this.time = 1000;            this.scale = 1;            this.animHeight = 25;            this.animWidth = 25;        }        public Builder animModule(AnimModule animModule) {            this.animModule = animModule;            return this;        }        public Builder with(Activity activity) {            this.activity = new WeakReference<>(activity);            return this;        }
        public Builder startView(View startView) {            if (startView == null) {                throw new NullPointerException("startView is null");            }            this.startView = startView;            return this;        }
        public Builder endView(View endView) {            if (endView == null) {                throw new NullPointerException("endView is null");            }            this.endView = endView;            return this;        }
        public Builder animView(View animView) {            if (animView == null) {                throw new NullPointerException("animView is null");            }            this.animView = animView;            return this;        }
        public Builder listener(AnimListener listener) {            if (listener == null) {                throw new NullPointerException("listener is null");            }            this.listener = listener;            return this;        }
        public Builder imageUrl(String imageUrl) {            this.imageUrl = imageUrl;            return this;        }
        public Builder time(long time) {            if (time <= 0) {                throw new IllegalArgumentException("time must be greater than zero");            }            this.time = time;            return this;        }
        public Builder scale(double scale) {            this.scale = scale;            return this;        }
        public Builder animWidth(float width) {            if (width <= 0) {                throw new IllegalArgumentException("width must be greater than zero");            }            this.animWidth = width;            return this;        }
        public Builder animHeight(float height) {            if (height <= 0) {                throw new IllegalArgumentException("height must be greater than zero");            }            this.animHeight = height;            return this;        }
        public AnimManager build() {            return new AnimManager(this);        }    }
    public enum AnimModule{        SMALL,//小的（默認(rèn)）        BIG_CIRCLE//大的圓形    }}

animManager = new AnimManager.Builder()                    .with(this)                    .animModule(AnimManager.AnimModule.BIG_CIRCLE)//圖片的動(dòng)畫(huà)模式，小的或者大的（仿每日優(yōu)鮮）                    .startView(startView)//開(kāi)始位置的控件                    .endView(imageViewShopCar)//結(jié)束位置的控件                    .listener(new AnimManager.AnimListener() {                        @Override                        public void setAnimBegin(AnimManager a) {
                        }
                        @Override                        public void setAnimEnd(AnimManager a) {                            //購(gòu)物車(chē)回彈動(dòng)畫(huà)（這里是加入購(gòu)物車(chē)動(dòng)畫(huà)執(zhí)行結(jié)束時(shí)的回調(diào)我在這里加入了購(gòu)物車(chē)回彈效果，不需要的話可以去掉）                            TranslateAnimation anim = new TranslateAnimation(0, 0, 20, 0);                            anim.setInterpolator(new BounceInterpolator());                            anim.setDuration(700);                            imageViewShopCar.startAnimation(anim);                            textViewNum.setText(num+"");                        }                    })                    .imageUrl(animImgUrl)                    .build();            animManager.startAnim();