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Android之 日历单选多选控件_android日历控件

作者：Monodyee | 2024-05-04 14:14:46

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android日历控件

一，效果图

1.1 单选

 2.2 多选

二 实现思路

2.1 数据来源，利用原生日历Calendar，获取从本月开始的往后一年的日期，遍历月数添加全部天数据

  1. private void initCalendarData() {
  2.         Calendar calendar = Calendar.getInstance();
  3.         year = calendar.get(Calendar.YEAR);
  4.         month = calendar.get(Calendar.MONTH);
  5.         day = calendar.get(Calendar.DAY_OF_MONTH);
  6.         nowDay = day;
  7.         calendar.set(year, month, 1);
  8.  
  9.         for (int i = 0; i < 12; i++) {
  10.             List<DateEntity> deList = new ArrayList<>();
  11.             MonthEntity monthEntity = new MonthEntity();
  12.             int maxDayOfMonth = calendar.getActualMaximum(Calendar.DAY_OF_MONTH);
  13.             int empty = calendar.get(Calendar.DAY_OF_WEEK);
  14.             empty = empty == 1 ? 6 : empty - 2;
  15.             for (int j = 0; j < empty; j++) {
  16.                 DateEntity de = new DateEntity();
  17.                 de.setType(1);
  18.                 deList.add(de);
  19.             }
  20.             for (int j = 1; j <= maxDayOfMonth; j++) {
  21.                 DateEntity de = new DateEntity();
  22.                 if (i == 0) {
  23.                     de.setType(j < nowDay ? 4 : 0);
  24.                 } else {
  25.                     de.setType(0);
  26.                 }
  27.  
  28.                 de.setDate(j);
  29.                 if (i == 0 && nowDay == j) {
  30.                     de.setToday(true);
  31.                 } else {
  32.                     de.setToday(false);
  33.                 }
  34.                 de.setParentPos(i);
  35.                 String[] result=DatePickerUtils.getLunarDate(year, month + 1, j);
  36.                 de.setDesType(result[0]);
  37.                 de.setDesc(result[1]);
  38.                 deList.add(de);
  39.             }
  40.  
  41.             year = calendar.get(Calendar.YEAR);
  42.             month = calendar.get(Calendar.MONTH) + 1;
  43.             monthEntity.setTitle(year + "年" + month + "月");
  44.             monthEntity.setYear(year);
  45.             monthEntity.setMonth(month);
  46.             monthEntity.setList(deList);
  47.             monthList.add(monthEntity);
  48.  
  49.             calendar.add(Calendar.MONTH, 1);
  50.         }
  51.     }

2.2 添加公立，农历，节气数据。下面只是节假日的判断。

  1.  private static String getChinaCalendarMsg(int year, int month, int day) {
  2.         String message = "";
  3.         if (((month) == 1) && day == 1) {
  4.             message = "春节";
  5.         } else if (((month) == 1) && day == 15) {
  6.             message = "元宵";
  7.         } else if (((month) == 5) && day == 5) {
  8.             message = "端午";
  9.         } else if ((month == 7) && day == 7) {
  10.             message = "七夕";
  11.         } else if (((month) == 8) && day == 15) {
  12.             message = "中秋";
  13.         } else if ((month == 9) && day == 9) {
  14.             message = "重阳";
  15.         } else if ((month == 12) && day == 8) {
  16.             message = "腊八";
  17.         } else {
  18.             if (month == 12) {
  19.                 if ((((monthDays(year, month) == 29) && day == 29))
  20.                         || ((((monthDays(year, month) == 30) && day == 30)))) {
  21.                     message = "除夕";
  22.                 }
  23.             }
  24.         }
  25.         return message;
  26.     }

2.3 控件，可以用两层Recycleview，但最好不要这样做，嵌套体验是非常差的，明显的卡顿。所以尽量用一个Recycleview，利用getItemViewType来避免嵌套。

  1. @Override
  2.     public int getItemViewType(int position) {
  3.         if (isEmptyPosition(position)) {
  4.             // 空布局
  5.             return TYPE_EMPTY;
  6.         }
  7.         mTempPosition = position;
  8.         int groupPosition = getGroupPositionForPosition(position);
  9.         int type = judgeType(position);
  10.         if (type == TYPE_HEADER) {
  11.             return getHeaderViewType(groupPosition);
  12.         } else if (type == TYPE_FOOTER) {
  13.             return getFooterViewType(groupPosition);
  14.         } else if (type == TYPE_CHILD) {
  15.             int childPosition = getChildPositionForPosition(groupPosition, position);
  16.             return getChildViewType(groupPosition, childPosition);
  17.         }
  18.         return super.getItemViewType(position);
  19.     }

三， 核心源码

3.1 项目结构

3.2 CalendarSelectDialog.java

  1. public class CalendarSelectDialog extends Dialog {
  2.     private ImageView icClose;
  3.     private RecyclerView rvCalendar;
  4.     private TextView tvSure;
  5.  
  6.  
  7.     private Activity context;
  8.  
  9.     private CalendarGroupedListAdapter groupedListAdapter;
  10.     private List<MonthEntity> monthList = new ArrayList<>();
  11.  
  12.     private int year, month, day;
  13.     private int nowDay;
  14.     private int lastDateSelect = -1, lastMonthSelect = -1;
  15.  
  16.     public interface OnViewClickLiatener {
  17.         void sureClick(String selectTime);
  18.  
  19.         void cancelClick();
  20.     }
  21.  
  22.     public OnViewClickLiatener onViewClickLiatener;
  23.  
  24.     public void setOnViewClickLiatener(OnViewClickLiatener onViewClickLiatener) {
  25.         this.onViewClickLiatener = onViewClickLiatener;
  26.     }
  27.  
  28.  
  29.     public CalendarSelectDialog(Activity context) {
  30.         super(context, R.style.custom_dialog2);
  31.         this.context = context;
  32.     }
  33.  
  34.     @Override
  35.     protected void onCreate(Bundle savedInstanceState) {
  36.         super.onCreate(savedInstanceState);
  37.         setContentView(R.layout.dialog_caledar_select);
  38.         setCanceledOnTouchOutside(true);
  39.         WindowManager.LayoutParams params = getWindow().getAttributes();
  40.         params.width = ScreenUtils.getScreenWidth(context);
  41.         params.height = (int) (ScreenUtils.getTotalScreenHeight(context)*0.85f);
  42.         getWindow().setGravity(Gravity.BOTTOM);
  43.         getWindow().setAttributes(params);
  44.         getWindow().setBackgroundDrawableResource(R.color.transparent);
  45.         getWindow().setWindowAnimations(R.style.pop_animation_bottom);
  46.         initView();
  47.         setData();
  48.  
  49.     }
  50.  
  51.     public void initView() {
  52.         icClose = (ImageView) findViewById(R.id.ic_close);
  53.         rvCalendar = (RecyclerView) findViewById(R.id.rv_calendar);
  54.         tvSure = (TextView) findViewById(R.id.tv_sure);
  55.  
  56.     }
  57.  
  58.     public void setData() {
  59.         icClose.setOnClickListener(new View.OnClickListener() {
  60.             @Override
  61.             public void onClick(View view) {
  62.                 dismiss();
  63.                 if (onViewClickLiatener != null) {
  64.                     onViewClickLiatener.cancelClick();
  65.                 }
  66.             }
  67.         });
  68.         tvSure.setOnClickListener(new View.OnClickListener() {
  69.             @Override
  70.             public void onClick(View view) {
  71.                 if(lastMonthSelect<0){
  72.                     ToastHelp.showToast("请选择日期");
  73.                     return;
  74.                 }
  75.                 dismiss();
  76.                 MonthEntity monthEntity=monthList.get(lastMonthSelect);
  77.                 DateEntity dateEntity=monthEntity.getList().get(lastDateSelect);
  78.                 int year=monthEntity.getYear();
  79.                 int month=monthEntity.getMonth();
  80.                 int date=dateEntity.getDate();
  81.  
  82.                 String monthString;
  83.                 if(month<10){
  84.                     monthString="0"+month;
  85.                 }else {
  86.                     monthString=String.valueOf(month);
  87.                 }
  88.  
  89.                 String dataString;
  90.                 if(date<10){
  91.                     dataString="0"+date;
  92.                 }else {
  93.                     dataString=String.valueOf(date);
  94.                 }
  95.  
  96.                 String selectTime=year+"-"+monthString+"-"+dataString;
  97.                 if (onViewClickLiatener != null) {
  98.                     onViewClickLiatener.sureClick(selectTime);
  99.                 }
  100.             }
  101.         });
  102.         CalendarUtils.init(context);
  103.         initCalendarData();
  104.         initCalendarRv();
  105.     }
  106.  
  107.  
  108.  
  109.     @Override
  110.     public void dismiss() {
  111.         if (context == null || ((Activity) context).isDestroyed() || ((Activity) context).isFinishing()) {
  112.             return;
  113.         }
  114.         super.dismiss();
  115.     }
  116.  
  117.     @Override
  118.     public void show() {
  119.         if (context == null || ((Activity) context).isDestroyed() || ((Activity) context).isFinishing()) {
  120.             return;
  121.         }
  122.         super.show();
  123.     }
  124.  
  125.  
  126.     private void initCalendarData() {
  127.         Calendar calendar = Calendar.getInstance();
  128.         year = calendar.get(Calendar.YEAR);
  129.         month = calendar.get(Calendar.MONTH);
  130.         day = calendar.get(Calendar.DAY_OF_MONTH);
  131.         nowDay = day;
  132.         calendar.set(year, month, 1);
  133.  
  134.         for (int i = 0; i < 12; i++) {
  135.             List<DateEntity> deList = new ArrayList<>();
  136.             MonthEntity monthEntity = new MonthEntity();
  137.             int maxDayOfMonth = calendar.getActualMaximum(Calendar.DAY_OF_MONTH);
  138.             int empty = calendar.get(Calendar.DAY_OF_WEEK);
  139.             empty = empty == 1 ? 6 : empty - 2;
  140.             for (int j = 0; j < empty; j++) {
  141.                 DateEntity de = new DateEntity();
  142.                 de.setType(1);
  143.                 deList.add(de);
  144.             }
  145.             for (int j = 1; j <= maxDayOfMonth; j++) {
  146.                 DateEntity de = new DateEntity();
  147.                 if (i == 0) {
  148.                     de.setType(j < nowDay ? 4 : 0);
  149.                 } else {
  150.                     de.setType(0);
  151.                 }
  152.  
  153.                 de.setDate(j);
  154.                 if (i == 0 && nowDay == j) {
  155.                     de.setToday(true);
  156.                 } else {
  157.                     de.setToday(false);
  158.                 }
  159.                 de.setParentPos(i);
  160.                 String[] result=DatePickerUtils.getLunarDate(year, month + 1, j);
  161.                 de.setDesType(result[0]);
  162.                 de.setDesc(result[1]);
  163.                 deList.add(de);
  164.             }
  165.  
  166.             year = calendar.get(Calendar.YEAR);
  167.             month = calendar.get(Calendar.MONTH) + 1;
  168.             monthEntity.setTitle(year + "年" + month + "月");
  169.             monthEntity.setYear(year);
  170.             monthEntity.setMonth(month);
  171.             monthEntity.setList(deList);
  172.             monthList.add(monthEntity);
  173.  
  174.             calendar.add(Calendar.MONTH, 1);
  175.         }
  176.  
  177.     }
  178.  
  179.     private void initCalendarRv() {
  180.         groupedListAdapter =new CalendarGroupedListAdapter(context,monthList);
  181.         GroupedGridLayoutManager gridLayoutManager = new GroupedGridLayoutManager(context, 7, groupedListAdapter);
  182.         rvCalendar.setLayoutManager(gridLayoutManager);
  183.         rvCalendar.getItemAnimator().setChangeDuration(0);
  184.         rvCalendar.setAdapter(groupedListAdapter);
  185.         groupedListAdapter.setOnItemClickListener(new CalendarGroupedListAdapter.OnItemClickListener() {
  186.             @Override
  187.             public void itemClick(int groupPosition, int childPosition) {
  188.                 //setRangeClick(groupPosition,childPosition);
  189.                 setSingleClick(groupPosition,childPosition);
  190.             }
  191.         });
  192.     }
  193.  
  194.     private void getViews() {
  195.         rvCalendar = (RecyclerView) findViewById(R.id.rv_calendar);
  196.     }
  197.  
  198.     /**
  199.      *
  200.      * @param groupPosition
  201.      * @param childPosition
  202.      */
  203.     private void setSingleClick(int groupPosition, int childPosition){
  204.         if (groupPosition == lastMonthSelect && childPosition == lastDateSelect) {
  205.             return;
  206.         }
  207.  
  208.         monthList.get(groupPosition).getList().get(childPosition).setType(8);
  209.  
  210.         groupedListAdapter.notifyChildChanged(groupPosition, childPosition);
  211.         if (lastDateSelect != -1) {
  212.             monthList.get(lastMonthSelect).getList().get(lastDateSelect).setType(0);
  213.             groupedListAdapter.notifyChildChanged(lastMonthSelect, lastDateSelect);
  214.         }
  215.         lastMonthSelect = groupPosition;
  216.         lastDateSelect = childPosition;
  217.     }
  218.  
  219.     /**
  220.      * 范围选择
  221.      */
  222.     private boolean selectComplete;
  223.     private List<Integer> selectMonth = new ArrayList<>();
  224.     private List<Integer> selectDate = new ArrayList<>();
  225.     private void setRangeClick(int parentPos, int pos){
  226.         if (parentPos != lastMonthSelect || pos != lastDateSelect) {
  227.  
  228.             //1、第二次选择；2、选择的月份相等日期比之前选择的大或者选择的月份比之前的大；3、选择未完成
  229.             boolean haveMiddle = lastMonthSelect != -1 && ((lastMonthSelect == parentPos && pos > lastDateSelect) || (parentPos > lastMonthSelect))
  230.                     && !selectComplete;
  231.             if (haveMiddle) {
  232.                 monthList.get(parentPos).getList().get(pos).setType(6);
  233.                 selectDate.add(1);
  234.                 monthList.get(lastMonthSelect).getList().get(lastDateSelect).setType(7);
  235.                 selectDate.add(1);
  236.  
  237.                 int monthLen = parentPos - lastMonthSelect;
  238.                 List<DateEntity> list;
  239.                 int dateLen;
  240.                 if (monthLen == 0) {
  241.                     dateLen = pos - lastDateSelect;
  242.                     for (int i = 1; i < dateLen; i++) {
  243.                         monthList.get(parentPos).getList().get(i + lastDateSelect).setType(5);
  244.                         selectDate.add(1);
  245.                     }
  246.                     groupedListAdapter.notifyGroupChanged(lastMonthSelect);
  247.                     //选择了这个月
  248.                     selectMonth.add(parentPos);
  249.                 } else {
  250.                     //第一个月
  251.                     int lastMonthSize = monthList.get(lastMonthSelect).getList().size();
  252.                     dateLen = lastMonthSize - lastDateSelect;
  253.                     for (int i = 1; i < dateLen; i++) {
  254.                         monthList.get(lastMonthSelect).getList().get(i + lastDateSelect).setType(5);
  255.                         selectDate.add(1);
  256.                     }
  257.                     groupedListAdapter.notifyGroupChanged(lastMonthSelect);
  258.                     //选择了这个月
  259.                     selectMonth.add(lastMonthSelect);
  260.  
  261.                     //中间月份
  262.                     int month;
  263.                     int middleMonthLen = parentPos - lastMonthSelect;
  264.                     for (int i = 1; i < middleMonthLen; i++) {
  265.                         month = lastMonthSelect + i;
  266.                         list = monthList.get(month).getList();
  267.                         dateLen = list.size();
  268.                         for (int j = 0; j < dateLen; j++) {
  269.                             if (list.get(j).getType() != 1) {
  270.                                 list.get(j).setType(5);
  271.                                 selectDate.add(1);
  272.                             }
  273.                         }
  274.                         groupedListAdapter.notifyGroupChanged(month);
  275.                         //选择了这个月
  276.                         selectMonth.add(month);
  277.                     }
  278.  
  279.                     //最后那个月
  280.                     dateLen = pos;
  281.                     for (int i = 0; i < dateLen; i++) {
  282.                         DateEntity de = monthList.get(parentPos).getList().get(i);
  283.                         if (de.getType() != 1) {
  284.                             de.setType(5);
  285.                             selectDate.add(1);
  286.                         }
  287.                     }
  288.                     groupedListAdapter.notifyGroupChanged(parentPos);
  289.                     //选择了这个月
  290.                     selectMonth.add(parentPos);
  291.                 }
  292.                 Log.d("mita", "选择的天数：" + selectDate.size());
  293.                 selectComplete = true;
  294.                 lastMonthSelect = -1;
  295.                 lastDateSelect = -1;
  296.             } else {
  297.                 selectDate.clear();
  298.  
  299.                 //清除已选
  300.                 if (selectComplete) {
  301.                     List<DateEntity> list;
  302.                     DateEntity de;
  303.                     int len = selectMonth.size();
  304.                     for (int i = 0; i < len; i++) {
  305.                         list = monthList.get(selectMonth.get(i)).getList();
  306.                         int size = list.size();
  307.                         for (int j = 0; j < size; j++) {
  308.                             de = list.get(j);
  309.                             if (de.getType() == 5 || de.getType() == 6 || de.getType() == 7) {
  310.                                 de.setType(0);
  311.                             }
  312.                         }
  313.                         groupedListAdapter.notifyGroupChanged(selectMonth.get(i));
  314.                     }
  315.                     selectMonth.clear();
  316.                 }
  317.  
  318.                 monthList.get(parentPos).getList().get(pos).setType(3);
  319.                 groupedListAdapter.notifyGroupChanged(parentPos);
  320.                 if (lastDateSelect != -1) {
  321.                     monthList.get(lastMonthSelect).getList().get(lastDateSelect).setType(0);
  322.                     groupedListAdapter.notifyGroupChanged(lastMonthSelect);
  323.                 }
  324.                 lastMonthSelect = parentPos;
  325.                 lastDateSelect = pos;
  326.                 selectComplete = false;
  327.             }
  328.         }
  329.     }
  330. }

3.2 CalendarGroupedListAdapter.java

  1. public class CalendarGroupedListAdapter extends GroupedRecyclerViewAdapter {
  2.  
  3.  
  4.     private List<MonthEntity> groupList;
  5.     private Context context;
  6.  
  7.     public CalendarGroupedListAdapter(Context context, List<MonthEntity> groupList) {
  8.         super(context);
  9.         this.context = context;
  10.         this.groupList = groupList;
  11.     }
  12.  
  13.     @Override
  14.     public int getGroupCount() {
  15.         return groupList.size();
  16.     }
  17.  
  18.     @Override
  19.     public int getChildrenCount(int groupPosition) {
  20.         return groupList.get(groupPosition).getList().size();
  21.     }
  22.  
  23.     @Override
  24.     public boolean hasHeader(int groupPosition) {
  25.         return true;
  26.     }
  27.  
  28.     @Override
  29.     public boolean hasFooter(int groupPosition) {
  30.         return false;
  31.     }
  32.  
  33.     @Override
  34.     public int getHeaderLayout(int viewType) {
  35.         return R.layout.item_calendar;
  36.     }
  37.  
  38.     @Override
  39.     public int getFooterLayout(int viewType) {
  40.         return 0;
  41.     }
  42.  
  43.     @Override
  44.     public int getChildLayout(int viewType) {
  45.         return R.layout.item_date;
  46.     }
  47.  
  48.     @Override
  49.     public void onBindHeaderViewHolder(BaseViewHolder holder, int groupPosition) {
  50.         MonthEntity monthEntity = groupList.get(groupPosition);
  51.         holder.setText(R.id.tv_cal_title, monthEntity.getTitle());
  52.  
  53.     }
  54.  
  55.     @Override
  56.     public void onBindFooterViewHolder(BaseViewHolder holder, int groupPosition) {
  57.  
  58.     }
  59.  
  60.     @Override
  61.     public void onBindChildViewHolder(BaseViewHolder holder, final int groupPosition, final int childPosition) {
  62.         DateEntity dateEntity = groupList.get(groupPosition).getList().get(childPosition);
  63.  
  64.  
  65.         LinearLayout llDate = holder.get(R.id.ll_date);
  66.         TextView mTvDate = holder.get(R.id.tv_date);
  67.         TextView mTvDesc = holder.get(R.id.tv_desc);
  68.         TextView mTvToday = holder.get(R.id.tv_today);
  69.         mTvToday.setText("今日");
  70.  
  71.         int date = dateEntity.getDate();
  72.         int type = dateEntity.getType();
  73.         boolean isToday = dateEntity.isToday();
  74.         if (type == 1) {//留白
  75.             mTvToday.setVisibility(isToday ? View.VISIBLE : View.INVISIBLE);
  76.             mTvToday.setTextColor(Color.TRANSPARENT);
  77.             mTvDate.setText("");
  78.             mTvDesc.setText("");
  79.             mTvDate.setTextColor(Color.TRANSPARENT);
  80.             mTvDesc.setTextColor(Color.TRANSPARENT);
  81.             llDate.setBackgroundColor(Color.TRANSPARENT);
  82.             llDate.setEnabled(false);
  83.         } else if (type == 0) {//日常
  84.             mTvToday.setVisibility(isToday ? View.VISIBLE : View.INVISIBLE);
  85.             mTvDate.setText(String.valueOf(dateEntity.getDate()));
  86.             mTvDesc.setText(dateEntity.getDesc());
  87.             mTvToday.setTextColor(ContextCompat.getColor(context, R.color.color_red));
  88.             mTvDate.setTextColor(ContextCompat.getColor(context, R.color.color_333333));
  89.             mTvDesc.setTextColor(TextUtils.isEmpty(dateEntity.getDesType()) ? ContextCompat.getColor(context, R.color.color_333333) : ContextCompat.getColor(context, R.color.color_red));
  90.             llDate.setBackgroundColor(Color.TRANSPARENT);
  91.             llDate.setEnabled(true);
  92.         } else if (type == 3) {//日常选中
  93.             mTvToday.setVisibility(isToday ? View.VISIBLE : View.INVISIBLE);
  94.             mTvDate.setText(String.valueOf(dateEntity.getDate()));
  95.             mTvDesc.setText(dateEntity.getDesc());
  96.             mTvToday.setTextColor(ContextCompat.getColor(context, R.color.white));
  97.             mTvDate.setTextColor(ContextCompat.getColor(context, R.color.white));
  98.             mTvDesc.setTextColor(ContextCompat.getColor(context, R.color.white));
  99.             llDate.setBackgroundResource(R.drawable.state_selected);
  100.             llDate.setClickable(true);
  101.         } else if (type == 4) {//今天之前的日期
  102.             mTvToday.setVisibility(isToday ? View.VISIBLE : View.INVISIBLE);
  103.             mTvDate.setText(String.valueOf(dateEntity.getDate()));
  104.             mTvDesc.setText(dateEntity.getDesc());
  105.             mTvToday.setTextColor(ContextCompat.getColor(context, R.color.color_cccccc));
  106.             mTvDate.setTextColor(ContextCompat.getColor(context, R.color.color_cccccc));
  107.             mTvDesc.setTextColor(ContextCompat.getColor(context, R.color.color_cccccc));
  108.             llDate.setBackgroundColor(Color.TRANSPARENT);
  109.             llDate.setEnabled(false);
  110.         } else if (type == 5) {//中间
  111.             mTvToday.setVisibility(isToday ? View.VISIBLE : View.INVISIBLE);
  112.             mTvDate.setText(String.valueOf(dateEntity.getDate()));
  113.             mTvDesc.setText(dateEntity.getDesc());
  114.             mTvToday.setTextColor(ContextCompat.getColor(context, R.color.white));
  115.             mTvDate.setTextColor(ContextCompat.getColor(context, R.color.white));
  116.             mTvDesc.setTextColor(ContextCompat.getColor(context, R.color.white));
  117.             llDate.setBackgroundResource(R.drawable.state_middle_range);
  118.             llDate.setEnabled(true);
  119.         } else if (type == 6) {//终点
  120.             mTvToday.setVisibility(isToday ? View.VISIBLE : View.INVISIBLE);
  121.             mTvDate.setText(String.valueOf(dateEntity.getDate()));
  122.             mTvDesc.setText("结束");
  123.             mTvToday.setTextColor(ContextCompat.getColor(context, R.color.white));
  124.             mTvDate.setTextColor(ContextCompat.getColor(context, R.color.white));
  125.             mTvDesc.setTextColor(ContextCompat.getColor(context, R.color.white));
  126.             llDate.setBackgroundResource(R.drawable.state_end_range);
  127.             llDate.setEnabled(true);
  128.         } else if (type == 7) {//起点
  129.             mTvToday.setVisibility(isToday ? View.VISIBLE : View.INVISIBLE);
  130.             mTvDate.setText(String.valueOf(dateEntity.getDate()));
  131.             mTvDesc.setText("开始");
  132.             mTvToday.setTextColor(ContextCompat.getColor(context, R.color.white));
  133.             mTvDate.setTextColor(ContextCompat.getColor(context, R.color.white));
  134.             mTvDesc.setTextColor(ContextCompat.getColor(context, R.color.white));
  135.             llDate.setBackgroundResource(R.drawable.state_first_range);
  136.             llDate.setEnabled(true);
  137.         } else if (type == 8) {//单选
  138.             mTvToday.setVisibility(isToday ? View.VISIBLE : View.INVISIBLE);
  139.             mTvDate.setText(String.valueOf(dateEntity.getDate()));
  140.             mTvDesc.setText(dateEntity.getDesc());
  141.             mTvToday.setTextColor(ContextCompat.getColor(context, R.color.white));
  142.             mTvDate.setTextColor(ContextCompat.getColor(context, R.color.white));
  143.             mTvDesc.setTextColor(ContextCompat.getColor(context, R.color.white));
  144.             llDate.setBackgroundResource(R.drawable.state_selected);
  145.             llDate.setEnabled(true);
  146.         }
  147.  
  148.         llDate.setOnClickListener(new View.OnClickListener() {
  149.             @Override
  150.             public void onClick(View v) {
  151.                 if (onItemClickListener != null) {
  152.                     onItemClickListener.itemClick(groupPosition, childPosition);
  153.                 }
  154.             }
  155.         });
  156.     }
  157.  
  158.     public interface OnItemClickListener {
  159.         void itemClick(int groupPosition, int childPosition);
  160.     }
  161.  
  162.     public OnItemClickListener onItemClickListener;
  163.  
  164.     public void setOnItemClickListener(OnItemClickListener onItemClickListener) {
  165.         this.onItemClickListener = onItemClickListener;
  166.     }
  167. }

四，注意

4.1 由于左右留白，父控件Recycleview做了外边距margin，会导致子控件左右也有边距。但UI要求是无边距的，这个时候就需要特殊处理控件。

  1. <androidx.recyclerview.widget.RecyclerView
  2.     android:id="@+id/rv_calendar"
  3.     android:layout_width="match_parent"
  4.     android:layout_height="match_parent"
  5.     android:layout_marginLeft="12dp"
  6.     android:layout_marginRight="12dp"
  7.     android:overScrollMode="never"/>

 

4.2 方法，可以用裁剪属性clipChildren，来控制他的子控件是否要在他应有的边界内进行绘制

android:clipChildren=“false” 就是不限制他子控件在其边界内进行绘制
android:clipChildren=“true” 限制他子控件在其边界内进行绘制

 4.3 clipChildren需要特别注意，加在RecyclerView父控件是没用的，只能加载RecyclerView的父控件，即需要需要裁剪的view的爷辈控件。如下：添加属性android:clipChildren="false"

  1.   <FrameLayout
  2.         android:layout_width="match_parent"
  3.         android:layout_height="0dp"
  4.         android:layout_weight="1"
  5.         android:clipChildren="false">
  6.  
  7.         <androidx.recyclerview.widget.RecyclerView
  8.             android:id="@+id/rv_calendar"
  9.             android:layout_width="match_parent"
  10.             android:layout_height="match_parent"
  11.             android:layout_marginLeft="12dp"
  12.             android:layout_marginRight="12dp"
  13.             android:overScrollMode="never"/>
  14.  
  15.     </FrameLayout>
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