自定義類似于酒店的選擇日期控件 當前時間過去一個月的日期
implementation 'com.timehop.stickyheadersrecyclerview:library:0.4.3'
implementation 'com.android.support:recyclerview-v7:28.0.0'
//自定義日期ui
public class CalendarList extends FrameLayout {
private static final String TAG = MainActivity.class.getSimpleName() + "_LOG";
RecyclerView recyclerView;
CalendarAdapter adapter;
public DateBean startDate;//开始时间
public DateBean endDate;//结束时间
OnDateSelected onDateSelected;//选中监听
SimpleDateFormat simpleDateFormat=new SimpleDateFormat("yyyy-MM-dd");
static int statinteger=-1;
static int endinteger=1;
static int statIndext=1;
static int endIndext=1;
static int flase=1;
static Context context2;
public CalendarList(Context context) {
super(context);
init(context);
}
public CalendarList(Context context,AttributeSet attrs) {
super(context, attrs);
init(context);
}
public CalendarList(Context context,AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
init(context);
}
private void init(Context context) {
this.context2=context;
addView(LayoutInflater.from(context).inflate(R.layout.item_calendar, this, false));
recyclerView = findViewById(R.id.recyclerView);
adapter = new CalendarAdapter();
GridLayoutManager gridLayoutManager = new GridLayoutManager(context, 7);
gridLayoutManager.setSpanSizeLookup(new GridLayoutManager.SpanSizeLookup() {
@Override
public int getSpanSize(int i) {
if (DateBean.item_type_month == adapter.data.get(i).getItemType()) {
return 7;
} else {
return 1;
}
}
});
recyclerView.setLayoutManager(gridLayoutManager);
recyclerView.setAdapter(adapter);
List<DateBean> days = days("", "");
for (int i = 0; i < days.size(); i++) {
if(statinteger!=-1){
if (!TextUtils.isEmpty(days.get(i).getDay()) ) {
if (Integer.valueOf(days.get(i).getDay()) == Integer.valueOf(statinteger)) {
if(flase==1){
statIndext=i;
flase=2;
}else if(flase==2){
endIndext=i;
flase=3;
}
}
}
}
}
Log.e(TAG, "init: "+statIndext+" "+ endIndext);
adapter.data.addAll(days("", ""));
// DividerItemDecoration dividerItemDecoration=new DividerItemDecoration(this,DividerItemDecoration.VERTICAL);
// dividerItemDecoration.setDrawable(ContextCompat.getDrawable(this,R.drawable.shape));
// recyclerView.addItemDecoration(dividerItemDecoration);
MyItemD myItemD = new MyItemD();
recyclerView.addItemDecoration(myItemD);
adapter.setOnRecyclerviewItemClick(new CalendarAdapter.OnRecyclerviewItemClick() {
@Override
public void onItemClick(View v, int position) {
onClick(adapter.data.get(position));
}
});
}
private void onClick(DateBean dateBean) {
if (dateBean.getItemType() == DateBean.item_type_month || TextUtils.isEmpty(dateBean.getDay())) {
return;
}
//如果没有选中开始日期则此次操作选中开始日期
if (startDate == null) {
startDate = dateBean;
dateBean.setItemState(DateBean.ITEM_STATE_BEGIN_DATE);
} else if (endDate == null) {
//如果选中了开始日期但没有选中结束日期,本次操作选中结束日期
//如果当前点击的结束日期跟开始日期一致 则不做操作
if (startDate == dateBean) {
} else if (dateBean.getDate().getTime() < startDate.getDate().getTime()) {
//当前点选的日期小于当前选中的开始日期 则本次操作重新选中开始日期
startDate.setItemState(DateBean.ITEM_STATE_NORMAL);
startDate = dateBean;
startDate.setItemState(DateBean.ITEM_STATE_BEGIN_DATE);
} else {
//选中结束日期
endDate = dateBean;
endDate.setItemState(DateBean.ITEM_STATE_END_DATE);
setState();
if(onDateSelected!=null){
onDateSelected.selected(simpleDateFormat.format(startDate.getDate()),simpleDateFormat.format(endDate.getDate()));
}
}
} else if (startDate != null && endDate != null) {
//结束日期和开始日期都已选中
clearState();
//重新选择开始日期,结束日期清除
startDate.setItemState(DateBean.ITEM_STATE_NORMAL);
startDate = dateBean;
startDate.setItemState(DateBean.ITEM_STATE_BEGIN_DATE);
endDate.setItemState(DateBean.ITEM_STATE_NORMAL);
endDate = null;
}
adapter.notifyDataSetChanged();
}
//选中中间的日期
private void setState() {
if (endDate != null && startDate != null) {
int start = adapter.data.indexOf(startDate);
start += 1;
int end = adapter.data.indexOf(endDate);
for (; start < end; start++) {
DateBean dateBean = adapter.data.get(start);
if (!TextUtils.isEmpty(dateBean.getDay())) {
dateBean.setItemState(DateBean.ITEM_STATE_SELECTED);
}
}
}
}
//取消选中状态
private void clearState() {
if (endDate != null && startDate != null) {
int start = adapter.data.indexOf(startDate);
start += 1;
int end = adapter.data.indexOf(endDate);
for (; start < end; start++) {
DateBean dateBean = adapter.data.get(start);
dateBean.setItemState(DateBean.ITEM_STATE_NORMAL);
}
}
}
//日历adapter
public static class CalendarAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
ArrayList<DateBean> data = new ArrayList<>();
private CalendarAdapter.OnRecyclerviewItemClick onRecyclerviewItemClick;
public CalendarAdapter.OnRecyclerviewItemClick getOnRecyclerviewItemClick() {
return onRecyclerviewItemClick;
}
public void setOnRecyclerviewItemClick(CalendarAdapter.OnRecyclerviewItemClick onRecyclerviewItemClick) {
this.onRecyclerviewItemClick = onRecyclerviewItemClick;
}
@Override
public int getItemCount() {
return data.size();
}
@NonNull
@Override
public RecyclerView.ViewHolder onCreateViewHolder(@NonNull ViewGroup viewGroup, int i) {
if (i == DateBean.item_type_day) {
View rootView = LayoutInflater.from(viewGroup.getContext()).inflate(R.layout.item_day, viewGroup, false);
final CalendarAdapter.DayViewHolder dayViewHolder = new CalendarAdapter.DayViewHolder(rootView);
dayViewHolder.itemView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (onRecyclerviewItemClick != null) {
Log.e(TAG, "onClick: dsdsd"+dayViewHolder.getLayoutPosition());
if(dayViewHolder.getLayoutPosition()>statIndext&&dayViewHolder.getLayoutPosition()<=endIndext){
onRecyclerviewItemClick.onItemClick(v, dayViewHolder.getLayoutPosition());
}else{
Toast.makeText(context2, "請選擇一個月一類的時間", Toast.LENGTH_SHORT).show();
}
}
}
});
return dayViewHolder;
} else if (i == DateBean.item_type_month) {
View rootView = LayoutInflater.from(viewGroup.getContext()).inflate(R.layout.item_month, viewGroup, false);
final CalendarAdapter.MonthViewHolder monthViewHolder = new CalendarAdapter.MonthViewHolder(rootView);
monthViewHolder.itemView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (onRecyclerviewItemClick != null) {
onRecyclerviewItemClick.onItemClick(v, monthViewHolder.getLayoutPosition());
}
}
});
return monthViewHolder;
}
return null;
}
@Override
public void onBindViewHolder(@NonNull RecyclerView.ViewHolder viewHolder, int i) {
if (viewHolder instanceof CalendarAdapter.MonthViewHolder) {
((CalendarAdapter.MonthViewHolder) viewHolder).tv_month.setText(data.get(i).getMonthStr());
} else {
CalendarAdapter.DayViewHolder vh = ((CalendarAdapter.DayViewHolder) viewHolder);
vh.tv_day.setText(data.get(i).getDay());
vh.tv_check_in_check_out.setVisibility(View.GONE);
DateBean dateBean = data.get(i);
//设置item状态
if (dateBean.getItemState() == DateBean.ITEM_STATE_BEGIN_DATE || dateBean.getItemState() == DateBean.ITEM_STATE_END_DATE) {
//开始日期或结束日期
vh.itemView.setBackgroundColor(Color.parseColor("#ff6600"));
vh.tv_day.setTextColor(Color.WHITE);
vh.tv_check_in_check_out.setVisibility(View.VISIBLE);
if (dateBean.getItemState() == DateBean.ITEM_STATE_END_DATE) {
vh.tv_check_in_check_out.setText("結束");
} else {
vh.tv_check_in_check_out.setText("初始");
}
} else if (dateBean.getItemState() == DateBean.ITEM_STATE_SELECTED) {
//选中状态
vh.itemView.setBackgroundColor(Color.parseColor("#ffa500"));
vh.tv_day.setTextColor(Color.WHITE);
} else {
//正常状态
vh.itemView.setBackgroundColor(Color.WHITE);
vh.tv_day.setTextColor(Color.BLACK);
}
if(i<=statIndext){
vh.tv_day.setTextColor(Color.parseColor("#E6E6E6"));
}else if(i>endIndext){
vh.tv_day.setTextColor(Color.parseColor("#E6E6E6"));
}else{
vh.tv_day.setTextColor(Color.parseColor("#1A1A1A"));
}
}
}
@Override
public int getItemViewType(int position) {
return data.get(position).getItemType();
}
public class DayViewHolder extends RecyclerView.ViewHolder {
public TextView tv_day;
public TextView tv_check_in_check_out;
public DayViewHolder(@NonNull View itemView) {
super(itemView);
tv_day = itemView.findViewById(R.id.tv_day);
tv_check_in_check_out = itemView.findViewById(R.id.tv_check_in_check_out);
}
}
public class MonthViewHolder extends RecyclerView.ViewHolder {
public TextView tv_month;
public MonthViewHolder(@NonNull View itemView) {
super(itemView);
tv_month = itemView.findViewById(R.id.tv_month);
}
}
public interface OnRecyclerviewItemClick {
void onItemClick(View v, int position);
}
}
/**
* 生成日历数据
*/
private List<DateBean> days(String sDate, String eDate) {
List<DateBean> dateBeans = new ArrayList<>();
try {
Calendar calendar = Calendar.getInstance();
//日期格式化
SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
SimpleDateFormat formatYYYYMM = new SimpleDateFormat("yyyy-MM");
SimpleDateFormat formatdd = new SimpleDateFormat("dd");
//结束日期
Date endDate = new Date();
calendar.setTime(endDate);
String endDateformat = format.format(endDate);
//起始日期
Date startDate = new Date();
String startDateformat = getMonthAgo(endDate);
//格式化开始日期和结束日期为 yyyy-mm-dd格式
String startDateStr =startDateformat;
String endDateStr = endDateformat;
startDate = format.parse(startDateStr);
endDate = format.parse(endDateStr);
calendar.setTime(startDate);
Log.d(TAG, "startDateStr:" + startDateStr + "---------endDate:" + endDateStr);
String substring1 = startDateStr.substring(8);
String substring2 = endDateStr.substring(8);
statinteger = Integer.valueOf(substring1);
endinteger = Integer.valueOf(substring2);
calendar.set(Calendar.DAY_OF_MONTH, 1);
Calendar monthCalendar = Calendar.getInstance();
//按月生成日历 每行7个 最多6行 42个
//每一行有七个日期 日 一 二 三 四 五 六 的顺序
for (; calendar.getTimeInMillis() <= endDate.getTime(); ) {
//月份item
DateBean monthDateBean = new DateBean();
monthDateBean.setDate(calendar.getTime());
monthDateBean.setMonthStr(formatYYYYMM.format(monthDateBean.getDate()));
monthDateBean.setItemType(DateBean.item_type_month);
dateBeans.add(monthDateBean);
//获取一个月结束的日期和开始日期
monthCalendar.setTime(calendar.getTime());
monthCalendar.set(Calendar.DAY_OF_MONTH, 1);
Date startMonthDay = calendar.getTime();
monthCalendar.add(Calendar.MONTH, 1);
monthCalendar.add(Calendar.DAY_OF_MONTH, -1);
Date endMonthDay = monthCalendar.getTime();
//重置为本月开始
monthCalendar.set(Calendar.DAY_OF_MONTH, 1);
Log.d(TAG, "月份的开始日期:" + format.format(startMonthDay) + "---------结束日期:" + format.format(endMonthDay));
for (; monthCalendar.getTimeInMillis() <= endMonthDay.getTime(); ) {
//生成单个月的日历
//处理一个月开始的第一天
if (monthCalendar.get(Calendar.DAY_OF_MONTH) == 1) {
//看某个月第一天是周几
int weekDay = monthCalendar.get(Calendar.DAY_OF_WEEK);
switch (weekDay) {
case 1:
//周日
break;
case 2:
//周一
addDatePlaceholder(dateBeans, 1, monthDateBean.getMonthStr());
break;
case 3:
//周二
addDatePlaceholder(dateBeans, 2, monthDateBean.getMonthStr());
break;
case 4:
//周三
addDatePlaceholder(dateBeans, 3, monthDateBean.getMonthStr());
break;
case 5:
//周四
addDatePlaceholder(dateBeans, 4, monthDateBean.getMonthStr());
break;
case 6:
addDatePlaceholder(dateBeans, 5, monthDateBean.getMonthStr());
//周五
break;
case 7:
addDatePlaceholder(dateBeans, 6, monthDateBean.getMonthStr());
//周六
break;
}
}
//生成某一天日期实体 日item
DateBean dateBean = new DateBean();
dateBean.setDate(monthCalendar.getTime());
dateBean.setDay(monthCalendar.get(Calendar.DAY_OF_MONTH) + "");
dateBean.setMonthStr(monthDateBean.getMonthStr());
dateBeans.add(dateBean);
//处理一个月的最后一天
if (monthCalendar.getTimeInMillis() == endMonthDay.getTime()) {
//看某个月第一天是周几
int weekDay = monthCalendar.get(Calendar.DAY_OF_WEEK);
switch (weekDay) {
case 1:
//周日
addDatePlaceholder(dateBeans, 6, monthDateBean.getMonthStr());
break;
case 2:
//周一
addDatePlaceholder(dateBeans, 5, monthDateBean.getMonthStr());
break;
case 3:
//周二
addDatePlaceholder(dateBeans, 4, monthDateBean.getMonthStr());
break;
case 4:
//周三
addDatePlaceholder(dateBeans, 3, monthDateBean.getMonthStr());
break;
case 5:
//周四
addDatePlaceholder(dateBeans, 2, monthDateBean.getMonthStr());
break;
case 6:
addDatePlaceholder(dateBeans, 1, monthDateBean.getMonthStr());
//周5
break;
}
}
//天数加1
monthCalendar.add(Calendar.DAY_OF_MONTH, 1);
}
Log.d(TAG, "日期" + format.format(calendar.getTime()) + "----周几" + getWeekStr(calendar.get(Calendar.DAY_OF_WEEK) + ""));
//月份加1
calendar.add(Calendar.MONTH, 1);
}
} catch (Exception ex) {
}
return dateBeans;
}
//添加空的日期占位
private void addDatePlaceholder(List<DateBean> dateBeans, int count, String monthStr) {
for (int i = 0; i < count; i++) {
DateBean dateBean = new DateBean();
dateBean.setMonthStr(monthStr);
dateBeans.add(dateBean);
}
}
private String getWeekStr(String mWay) {
if ("1".equals(mWay)) {
mWay = "天";
} else if ("2".equals(mWay)) {
mWay = "一";
} else if ("3".equals(mWay)) {
mWay = "二";
} else if ("4".equals(mWay)) {
mWay = "三";
} else if ("5".equals(mWay)) {
mWay = "四";
} else if ("6".equals(mWay)) {
mWay = "五";
} else if ("7".equals(mWay)) {
mWay = "六";
}
return mWay;
}
public interface OnDateSelected{
void selected(String startDate,String endDate);
}
public void setOnDateSelected(OnDateSelected onDateSelected) {
this.onDateSelected = onDateSelected;
}
/**
*获取一个月前的日期
* @param date 传入的日期
* @return
*/
public static String getMonthAgo(Date date) {
SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd");
Calendar calendar = Calendar.getInstance();
calendar.setTime(date);
calendar.add(Calendar.MONTH, -1);
String monthAgo = simpleDateFormat.format(calendar.getTime());
return monthAgo;
}
public static String getMonthAgodd(Date date) {
SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd");
Calendar calendar = Calendar.getInstance();
calendar.setTime(date);
String monthAgo = simpleDateFormat.format(calendar.getTime());
return monthAgo;
}
}
//日期的工具類
public class DateBean {
//item类型
public static int item_type_day = 1;//日期item
public static int item_type_month = 2;//月份item
int itemType = 1;//默认是日期item
//item状态
public static int ITEM_STATE_BEGIN_DATE = 1;//开始日期
public static int ITEM_STATE_END_DATE = 2;//结束日期
public static int ITEM_STATE_SELECTED = 3;//选中状态
public static int ITEM_STATE_NORMAL = 4;//正常状态
public int itemState = ITEM_STATE_NORMAL;
Date date;//具体日期
String day;//一个月的某天
String monthStr;//月份
public int getItemState() {
return itemState;
}
public void setItemState(int itemState) {
this.itemState = itemState;
}
public int getItemType() {
return itemType;
}
public void setItemType(int itemType) {
this.itemType = itemType;
}
public String getMonthStr() {
return monthStr;
}
public void setMonthStr(String monthStr) {
this.monthStr = monthStr;
}
public static int getItem_type_month() {
return item_type_month;
}
public static void setItem_type_month(int item_type_month) {
DateBean.item_type_month = item_type_month;
}
public static int getItem_type_day() {
return item_type_day;
}
public static void setItem_type_day(int item_type_day) {
DateBean.item_type_day = item_type_day;
}
public String getDay() {
return day;
}
public void setDay(String day) {
this.day = day;
}
public Date getDate() {
return date;
}
public void setDate(Date date) {
this.date = date;
}
}
//ui佈局
public class MyItemD extends RecyclerView.ItemDecoration {
Paint paint=new Paint();
Paint colorPaint=new Paint();
Paint linePaint=new Paint();
public MyItemD(){
paint.setColor(Color.parseColor("#ffffff"));
paint.setStyle(Paint.Style.FILL);
colorPaint.setColor(Color.parseColor("#ff6600"));
colorPaint.setAntiAlias(true);
linePaint.setAntiAlias(true);
linePaint.setColor(Color.parseColor("#dddddd"));
}
@Override
public void onDrawOver(@NonNull Canvas c, @NonNull RecyclerView parent, @NonNull RecyclerView.State state) {
super.onDrawOver(c, parent, state);
if(parent.getChildCount()<=0){
return;
}
//头部的高度
int height=50;
final float scale = parent.getContext().getResources().getDisplayMetrics().density;
height= (int) (height*scale+0.5f);
//获取第一个可见的view,通过此view获取其对应的月份
CalendarList.CalendarAdapter a=(CalendarList.CalendarAdapter) parent.getAdapter();
View fistView=parent.getChildAt(0);
String text=a.data.get(parent.getChildAdapterPosition(fistView)).getMonthStr();
String fistMonthStr="";
int fistViewTop=0;
//查找当前可见的itemView中第一个月份类型的item
for(int i=0;i<parent.getChildCount();i++){
View v=parent.getChildAt(i);
if(2==parent.getChildViewHolder(v).getItemViewType()){
fistMonthStr=a.data.get(parent.getChildAdapterPosition(v)).getMonthStr();
fistViewTop=v.getTop();
break;
}
}
//计算偏移量
int topOffset=0;
if(!fistMonthStr.equals(text)&&fistViewTop<height){
//前提是第一个可见的月份item不是当前显示的月份和距离的顶部的距离小于头部的高度
topOffset=height-fistViewTop;
}
int t=0-topOffset;
//绘制头部区域
c.drawRect(parent.getLeft(),t,parent.getRight(),t+height,paint);
colorPaint.setTextAlign(Paint.Align.CENTER);
colorPaint.setTextSize(15*scale+0.5f);
//绘制头部月份文字
c.drawText(text,parent.getRight()/2,(t+height)/2,colorPaint);
//绘制分割线
// if(fistViewTop!=height) {
// linePaint.setStrokeWidth(scale * 0.5f + 0.5f);
// c.drawLine(parent.getLeft(), t + height, parent.getRight(), t + height, linePaint);
// }
}
}
佈局
// activity_main.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
tools:context=".MainActivity">
<com.example.bao.calendarlist.CalendarList
android:id="@+id/calendarList"
android:layout_width="match_parent"
android:layout_height="match_parent">
</com.example.bao.calendarlist.CalendarList>
</LinearLayout>
// item_calendar.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
tools:context=".MainActivity">
<LinearLayout
android:orientation="horizontal"
android:background="#F2F2F2"
android:gravity="center_vertical"
android:layout_width="match_parent"
android:paddingTop="10dp"
android:paddingBottom="10dp"
android:layout_height="wrap_content">
<TextView
android:layout_width="0dp"
android:layout_weight="1"
android:text="日"
android:textColor="#ff6600"
android:gravity="center"
android:layout_height="wrap_content" />
<TextView
android:layout_width="0dp"
android:layout_weight="1"
android:text="一"
android:textColor="#666"
android:gravity="center"
android:layout_height="wrap_content" />
<TextView
android:layout_width="0dp"
android:layout_weight="1"
android:text="二"
android:textColor="#666"
android:gravity="center"
android:layout_height="wrap_content" />
<TextView
android:layout_width="0dp"
android:layout_weight="1"
android:text="三"
android:textColor="#666"
android:gravity="center"
android:layout_height="wrap_content" />
<TextView
android:layout_width="0dp"
android:layout_weight="1"
android:text="四"
android:textColor="#666"
android:gravity="center"
android:layout_height="wrap_content" />
<TextView
android:layout_width="0dp"
android:layout_weight="1"
android:text="五"
android:gravity="center"
android:layout_height="wrap_content" />
<TextView
android:layout_width="0dp"
android:layout_weight="1"
android:text="六"
android:textColor="#ff6600"
android:gravity="center"
android:layout_height="wrap_content" />
</LinearLayout>
<android.support.v7.widget.RecyclerView
android:id="@+id/recyclerView"
android:layout_width="match_parent"
android:layout_height="match_parent">
</android.support.v7.widget.RecyclerView>
</LinearLayout>
// item_day.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:background="#ffffff"
android:layout_height="50dp">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="center"
android:orientation="vertical">
<TextView
android:id="@+id/tv_day"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:gravity="center"
android:text="1"
android:textSize="15dp" />
<TextView
android:id="@+id/tv_check_in_check_out"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="2dp"
android:gravity="center"
android:text="入住"
android:textColor="#fff"
android:textSize="12dp"
android:visibility="gone" />
</LinearLayout>
</RelativeLayout>
// item_month.xml
<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:background="#ffffff"
android:layout_height="50dp">
<TextView
android:id="@+id/tv_month"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="center"
android:padding="5dp"
android:text="8"
android:textSize="15dp"
android:textColor="#ff6600" />
</android.support.constraint.ConstraintLayout>
// MainActivity
/** * 思路 * 1、生成日历数据 * 生成每个月的每一天的数据 */ public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); CalendarList calendarList=findViewById(R.id.calendarList); calendarList.setOnDateSelected(new CalendarList.OnDateSelected() { @Override public void selected(String startDate, String endDate) { Log.e("TAG", "selected: "+startDate+" "+endDate ); Toast.makeText(getApplicationContext(),"s:"+startDate+"e:"+endDate,Toast.LENGTH_LONG).show(); } }); } }