android实现点餐功能「建议收藏」

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近期项目中有点餐功能要求中午和晚上一起点餐,中午和晚上的餐品加载的都是一样的有炒菜和面点,
也可设置每个菜品的起点数量,默认起点数量都是1,项目写的比较急,后期会优化代码数量,增加了布局弹出方式,可以用alert弹窗,也可以切换PopupWindows样式弹出
废话不多说直接上代码

activity页面代码:
public class AnimationActivity extends BaseActivity implements View.OnClickListener, OnAlertCallBack, OnWindoowCallBacks {

private ListView recyclerView;
private ImageView iv_pay_anim;

private List<FoodName> list;
private List<FoodName> lists;
private TextView zhong, wan;
private TextView chao, mian;
private MyAnimationAdapter adapter;
private LinearLayoutManager linearLayoutManager;
private FoodNameBean foodNameBean;
private FoodNameBean foodNameBeans;
private FoodNameBean foodNameBeanss;
private FoodNameBean foodNameBeansss;
private List<FoodNameBean> foodNameBeanList = new ArrayList<>();
private FoodNameLimit foodNameLimit = new FoodNameLimit();
private Reduce reduce = new Reduce();//减法计算
private Add add = new Add();//加法计算
private Summary summary = new Summary();//代理类

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.animation);
    recyclerView = (ListView) findViewById(R.id.anim_rv);
    iv_pay_anim = (ImageView) findViewById(R.id.iv_pay_anim);
    zhong = (TextView) findViewById(R.id.zhong);
    wan = (TextView) findViewById(R.id.wan);
    chao = (TextView) findViewById(R.id.chao);
    mian = (TextView) findViewById(R.id.mian);
    setText();
    setOnClick();
    setFoodNameLimits();
}

/**
 * 设置的起点菜品和数量也可不设置默认都是一个
 */
private void setFoodNameLimits() {
    foodNameBean = new FoodNameBean("包子", 3);
    foodNameBeans = new FoodNameBean("面条", 2);
    foodNameBeanss = new FoodNameBean("饺子", 4);
    foodNameBeansss = new FoodNameBean("面包", 5);

// foodNameBeanList.add(foodNameBean);
// foodNameBeanList.add(foodNameBeans);
// foodNameBeanList.add(foodNameBeanss);
// foodNameBeanList.add(foodNameBeansss);
}

/**
 * 初始化Adapter
 */
private void setText() {
    DataBean dataBean = new DataBean();
    list = dataBean.getStirFry();
    lists = dataBean.getNoodleSport();
    adapter = new MyAnimationAdapter(this, list);
    recyclerView.setAdapter(adapter);
}

private void setOnClick() {
    zhong.setOnClickListener(this);
    wan.setOnClickListener(this);
    chao.setOnClickListener(this);
    mian.setOnClickListener(this);
    iv_pay_anim.setOnClickListener(this);
}

private List<AllDataBean> listData = new LinkedList<>();

public void playAnimation(int[] position, TextView textView, int positions, LinearLayout linearLayout, TextView textViews, Integer money) {
    setNumber(textView, linearLayout, positions, textViews, start, positionesState, money);
    final ImageView imageView = new ImageView(this);
    imageView.setImageResource(R.drawable.ic_launcher);
    imageView.setLayoutParams(new LinearLayout.LayoutParams(70, 70));
    ViewGroup viewGroup = (ViewGroup) this.getWindow().getDecorView();
    viewGroup.addView(imageView);
    int[] des = new int[2];
    iv_pay_anim.getLocationInWindow(des);
    /*动画开始位置，也就是物品的位置;动画结束的位置，也就是购物车的位置 */
    Point startPosition = new Point(position[0], position[1]);
    Point endPosition = new Point(des[0] + iv_pay_anim.getWidth() / 2 - 50, des[1] + iv_pay_anim.getHeight() / 2);
    int pointX = (startPosition.x + endPosition.x) / 2 - 100;
    int pointY = startPosition.y - 400;
    Point controllPoint = new Point(pointX, pointY);
    /*
    * 属性动画，依靠TypeEvaluator来实现动画效果，其中位移，缩放，渐变，旋转都是可以直接使用
    * 这里是自定义了TypeEvaluator， 我们通过point记录运动的轨迹，然后，物品随着轨迹运动，
    * 一旦轨迹发生变化，就会调用addUpdateListener这个方法，我们不断的获取新的位置，是物品移动
    * */
    ValueAnimator valueAnimator = ValueAnimator.ofObject(new BizierEvaluator2(controllPoint), startPosition, endPosition);
    valueAnimator.start();
    valueAnimator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
        @Override
        public void onAnimationUpdate(ValueAnimator valueAnimator) {
            Point point = (Point) valueAnimator.getAnimatedValue();
            imageView.setX(point.x);
            imageView.setY(point.y);
        }
    });
    /**
     * 动画结束，移除掉小圆圈
     */
    valueAnimator.addListener(new AnimatorListenerAdapter() {
        @Override
        public void onAnimationEnd(Animator animation) {
            super.onAnimationEnd(animation);
            ViewGroup rootView = (ViewGroup) AnimationActivity.this.getWindow().getDecorView();
            rootView.removeView(imageView);
        }
    });
}

private int start = 1, positionesState = 1;//start 时间段的状态 positiones菜品的状态
private int reduceState;
private Integer numbers;

public void noPlayAnimation(TextView textView, int position, LinearLayout linearLayout, TextView textViews, Integer state, Integer positionesStates, int bottomAdapterposition, Integer money) {
    Integer number = Integer.parseInt(textView.getText().toString());
    if (number == 0) {
        Toast.makeText(this, "数量已经是0不能在减", Toast.LENGTH_SHORT).show();
        return;
    }
    int allNumber = 0;
   /**
     * 判断是否设置了起点类
     */
    //计算的限制
    if (foodNameBeanList.size() > 0) {
        numbers = startLimit(false, number, textViews.getText().toString());
    } else {
        numbers = 1;
    }
    summary.setPrices(reduce);
    allNumber = summary.calculateNumber(numbers, number);
    reduceState = summary.calculateState(numbers, number);
    if (allNumber == 0) {
        AlphaAnimation aa = new AlphaAnimation(1f, 0);
        aa.setDuration(1000);
        linearLayout.startAnimation(aa);
        linearLayout.setVisibility(View.INVISIBLE);
        textView.setText(allNumber + "");
        //删除并更新数据
        delect(position, allNumber, textViews.getText().toString(), state, positionesStates, money);
        //删除弹窗中的信息
        if (state != null) {
            if (listData.size() > 0) {
                listData.remove(bottomAdapterposition);
                bottomAdapter.setListData(listData);
                bottomAdapter.notifyDataSetChanged();
            }
            setStatrs(start, positionesState);
            adapter.notifyDataSetChanged();
            return;
        }
    }
    textView.setText(allNumber + "");
    //第二种解决方法
    delect(position, allNumber, textViews.getText().toString(), state, positionesStates, money);
}

/**
 * 刷新数据
 *
 * @param positions
 * @param allNumber
 * @param name
 * @param stare
 * @param positionesStates
 */
private void delect(int positions, int allNumber, String name, Integer stare, Integer positionesStates, Integer money) {
    if (stare == null) {
        if (allNumber == 0) {
            for (int s = 0; s < listData.size(); s++) {
                if (listData.get(s).getNumber() == 0) {
                    listData.remove(s);
                    return;
                }
            }
        }
        setTwoList(positions, allNumber, name, start, positionesState, money, 2);
    } else {
        setTwoList(positions, allNumber, name, stare, positionesStates, money, 2);
        setStatrs(start, positionesState);
        adapter.notifyDataSetChanged();
    }
}

public void playAnimation(int[] position, TextView textView, int positions, LinearLayout linearLayout, TextView textViews, int state, int positionesState, Integer money) {
    setNumber(textView, linearLayout, positions, textViews, state, positionesState, money);
}

/**
 * 计算加数量
 */
private Integer moneys = 0;


private void setNumber(TextView textView, LinearLayout linearLayout, int positions, TextView textViews, int state, int positionesState, Integer money) {
    moneys = 0;
    Integer allNumber = null;
    Integer number = Integer.parseInt(textView.getText().toString());
    //起点的限制
    if (foodNameBeanList.size() > 0) {
        numbers = startLimit(true, number, textViews.getText().toString());
    } else {
        numbers = 1;
    }
    /**
     *优化算法
     */
    summary.setPrices(add);
    allNumber = summary.calculateNumber(numbers, number);
    moneys = summary.calculatePriceMoney(money, numbers);
    textView.setText(allNumber + "");
    if (allNumber == 1) {
        AlphaAnimation aa = new AlphaAnimation(0, 1f);
        aa.setDuration(1000);
        linearLayout.startAnimation(aa);
        linearLayout.setVisibility(View.VISIBLE);
    }
    //第二种解决方法
    setTwoList(positions, allNumber, textViews.getText().toString(), state, positionesState, money, 1);
    if (state != start) {
        adapter.notifyDataSetChanged();
    } else {
        setStatrs(state, positionesState);
        adapter.notifyDataSetChanged();
    }
}

private int forState;
private AlertStyle alertStyle = new AlertStyle();

/**
 * 是否有限制
 */
private Integer startLimit(boolean state, Integer number, String name) {

    return foodNameLimit
            .setState(state)
            .setNumber(number)
            .setFoodName(name)
            .setList(foodNameBeanList)
            .LimitNumber();
}

private void setTwoList(int positions, int allNumber, String name, int start, int positionesState, Integer money, Integer addEeduceState) {
    forState = 0;
    if (listData.size() <= 0) {
        listData.add(new AllDataBean(positions, allNumber, name, "", start, positionesState, moneys, money));
    } else {
        for (int s = 0; s < listData.size(); s++) {
            if (listData.get(s).getStart() == start && listData.get(s).getPositiones() == positionesState && listData.get(s).getName().equals(name)) {
                if (addEeduceState == 1) {//加法计算
                    moneys = summary.calculatePriceAddMoney(listData.get(s).getMoneys(), money);
                } else if (addEeduceState == 2) {
                    if (reduceState == 0 || reduceState == 2) {
                        moneys = summary.calculatePriceMoney(listData.get(s).getMoneys(), money);
                    } else {
                        //当设置了foodNameLimit加入这句话
                        //String names = foodNameLimit.LimitName(listData.get(s).getName());
                        //调用summary.calculateReduceMoney(listData.get(s).getMoneys(), money,names, allNumber);

                        //一个一个减
                        moneys = summary.calculateNoSettingReduceMoney(listData.get(s).getMoneys(), money, "", allNumber);
                    }
                }
                listData.get(s).setPosition(positions);
                listData.get(s).setNumber(allNumber);
                listData.get(s).setName(name);
                listData.get(s).setDay("");
                listData.get(s).setMoneys(moneys);
                listData.get(s).setStart(start);
                listData.get(s).setPositiones(positionesState);
                if (alertState == 0) {
                    bottomAdapter.notifyDataSetChanged();
                }
                forState = 1;
            }
        }
        if (forState == 0) {
            listData.add(new AllDataBean(positions, allNumber, name, "", start, positionesState, moneys, money));
        }
    }
    getAllMoneys();
}

/**
 * 计算总价格
 */
private Integer allMoney;

private void getAllMoneys() {
    allMoney = 0;
    for (int s = 0; s < listData.size(); s++) {
        allMoney += listData.get(s).getMoneys();
    }
    if (alertState == 0) {
        allMoneys.setText("合计:" + allMoney);
    }
}

/**
 * 中,晚的状态
 */
public void setStatrs(int statr, int positiones) {
    switch (statr) {//中
        case 1:
            if (positiones == 1) {
                setFors(list, listData, statr, positiones);
            } else {
                setFors(lists, listData, statr, positiones);
            }
            break;
        case 2://晚
            if (positiones == 1) {
                setFors(list, listData, statr, positiones);
            } else {
                setFors(lists, listData, statr, positiones);
            }
            break;
    }
}

/**
 * 添加数据
 *
 * @param foodNames
 * @param listData
 * @param statr
 * @param positionesState
 */
private void setFors(List<FoodName> foodNames, List<AllDataBean> listData, int statr, int positionesState) {
    for (int i = 0; i < foodNames.size(); i++) {
        foodNames.get(i).setFoodNumber(0);
        for (int s = 0; s < listData.size(); s++) {
            if (listData.get(s).getName().equals(foodNames.get(i).getFoodName()) && listData.get(s).getStart() == statr
                    && listData.get(s).getPositiones() == positionesState) {
                foodNames.get(i).setFoodNumber(listData.get(s).getNumber());
            }
        }
    }
}

private BottomAdapter bottomAdapter;

public void setTextColor(int color, int colors) {
    zhong.setTextColor(getResources().getColor(color));
    wan.setTextColor(getResources().getColor(colors));
}

private AllPopupWindowsUtils allPopupWindowsUtils;
private int alertState = 1;
private TextView allMoneys;

@SuppressLint("NewApi")
@Override
public void onClick(View v) {
    switch (v.getId()) {
        case R.id.zhong:
            setTextColor(R.color.colorAccent, R.color.colorAccents);
            start = 1;
            setStatrs(start, positionesState);
            adapter.notifyDataSetChanged();
            break;
        case R.id.wan:
            setTextColor(R.color.colorAccents, R.color.colorAccent);
            start = 2;
            setStatrs(start, positionesState);
            adapter.notifyDataSetChanged();
            break;
        case R.id.chao:
            chao.setTextColor(getResources().getColor(R.color.colorAccent));
            mian.setTextColor(getResources().getColor(R.color.colorAccents));
            positionesState = 1;
            setStatrs(start, positionesState);
            setListView(list);
            adapter.notifyDataSetChanged();
            break;
        case R.id.mian:
            mian.setTextColor(getResources().getColor(R.color.colorAccent));
            chao.setTextColor(getResources().getColor(R.color.colorAccents));
            positionesState = 2;
            setStatrs(start, positionesState);
            setListView(lists);
            adapter.notifyDataSetChanged();
            break;
        case R.id.iv_pay_anim:
            if (listData.size() <= 0) {
                Toast.makeText(AnimationActivity.this, "当前没有菜品请添加查看", Toast.LENGTH_SHORT).show();
                return;
            }
            for (int e = 0; e < listData.size(); e++) {
                if (listData.get(e).getNumber() == 0) {
                    listData.remove(e);
                }
            }
            if (listData.size() <= 0) {
                Toast.makeText(AnimationActivity.this, "当前没有菜品请添加查看", Toast.LENGTH_SHORT).show();
                return;
            }
            View view = LayoutInflater.from(this).inflate(R.layout.items, null);
            /**
             * 切换样式
             */
            alertStyle
                    .setActivity(this)

// .showAlert(view, this);
.showPoupWindows(chao, R.layout.items, this);
break;
case R.id.clear:
if (listData.size() <= 0) {

Toast.makeText(AnimationActivity.this, “当前没有菜品”, Toast.LENGTH_SHORT).show();
return;
}
allMoney = 0;
allMoneys.setText(“合计:” + allMoney);
listData.clear();
bottomAdapter.setListData(listData);
bottomAdapter.notifyDataSetChanged();
break;
}
}

/**
 * 更换数据
 *
 * @param lists
 */
private void setListView(List<FoodName> lists) {
    adapter = new MyAnimationAdapter(this, lists);
    recyclerView.setAdapter(adapter);
}

/**
 * 重新置回0
 *
 * @param
 */
public void setForList(List<FoodName> forList) {
    for (int s = 0; s < forList.size(); s++) {
        forList.get(s).setFoodNumber(0);
    }
}

/**
 * alert样式
 */
private AlertDialog alertDialog;

@Override
public void setOpenViews(View view, final AlertDialog alertDialog) {
    this.alertDialog = alertDialog;
    showAlert(view, 1);
}

/**
 * PopupWindows样式
 */
private AllPopupWindows allPopupWindows;

@Override
public void setOpenViews(View view, final AllPopupWindows allPopupWindows) {
    this.allPopupWindows = allPopupWindows;
    showAlert(view, 2);

}

@Override
public void setColseViews() {
    if (listData.size() == 0) {
        setForList(list);
        setForList(lists);
        adapter.notifyDataSetChanged();
    }
    alertState = 1;
}

private void showAlert(View view, final int state) {
    LinearLayoutManager linearLayoutManager = new LinearLayoutManager(this);
    TextView clear = (TextView) view.findViewById(R.id.clear);
    allMoneys = (TextView) view.findViewById(R.id.allMoneys);
    TextView colse = (TextView) view.findViewById(R.id.colse);
    colse.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            if (state == 1) {//alert
                if (listData.size() == 0) {
                    setForList(list);
                    setForList(lists);
                    adapter.notifyDataSetChanged();
                }
                alertState = 1;
                alertDialog.dismiss();
            } else {//popupWindow
                allPopupWindows.dismiss();
            }
        }
    });
    clear.setOnClickListener(this);
    alertState = 0;
    bottomAdapter = new BottomAdapter(listData, AnimationActivity.this);
    RecyclerView bottomRecyclerView = (RecyclerView) view.findViewById(R.id.bottomData);
    bottomRecyclerView.setLayoutManager(linearLayoutManager);
    bottomRecyclerView.setAdapter(bottomAdapter);
    getAllMoneys();
}

}