Android仿淘宝预订日历（18）

package siso.calendarselector;import android.app.Activity;import android.content.Intent;import android.support.v7.app.AppCompatActivity;import android.os.Bundle;import android.view.View;import android.widget.EditText;import siso.calendarselector.lib.CalendarSelectorActivity;public class MainActivity extends Activity { private EditText orderEt; @Override protected void onCreate(Bundle savedInstanceState) {  super.onCreate(savedInstanceState);  setContentView(R.layout.activity_main); } public void jump(View v) {  EditText et = (EditText) findViewById(R.id.et_input);  orderEt = (EditText) findViewById(R.id.et_order);  int days = Integer.valueOf(et.getText().toString());  String order = orderEt.getText().toString();  Intent i = new Intent(MainActivity.this, CalendarSelectorActivity.class);  i.putExtra(CalendarSelectorActivity.DAYS_OF_SELECT, days);  i.putExtra(CalendarSelectorActivity.ORDER_DAY, order);  startActivityForResult(i, 1); } @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) {  super.onActivityResult(requestCode, resultCode, data);  if (requestCode == 1 && resultCode == RESULT_OK) {   String orderInfo = data.getStringExtra(CalendarSelectorActivity.ORDER_DAY);   orderEt.setText(orderInfo);   /* *****注意*****   // 如需转换为Calendar   // 正确转换方法（因为2月没有30天）：   String[] info = orderInfo.split("#");   Calendar c = Calendar.getInstance();   c.set(Integer.valueOf(info[0]), Integer.valueOf(info[1]) - 1, Integer.valueOf(info[2]));   // 错误转换方法：   c.set(Integer.valueOf(info[0]), Integer.valueOf(info[1]), Integer.valueOf(info[2]));   c.add(Calendar.MONTH, -1);   **/  } }}

package siso.calendarselector.lib;import java.util.ArrayList;import java.util.Calendar;import android.content.Context;import android.graphics.Color;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;import android.widget.BaseAdapter;import android.widget.TextView;import siso.calendarselector.R;/** * @Description 日历表格适配器 */public class CalendarAdapter extends BaseAdapter { private ArrayList<Day> days; private LayoutInflater mInflater; private Calendar c; private Context context; private String orderDay; public CalendarAdapter(Context context, Calendar c, int passDays, String orderDay) {  this.c = c;  this.context = context;  this.orderDay = orderDay;  days = CalendarUtils.getDaysOfMonth(this.c, passDays, orderDay);  mInflater = LayoutInflater.from(context); } @Override public int getCount() {  return days.size(); } @Override public Day getItem(int arg0) {  return days.get(arg0); } @Override public long getItemId(int arg0) {  return 0; } @Override public View getView(int arg0, View arg1, ViewGroup arg2) {  View v = arg1;  ViewHolder holder = null;  if (v == null) {   v = mInflater.inflate(R.layout.calendar_item, arg2, false);   holder = new ViewHolder();   holder.tv = (TextView) v.findViewById(R.id.tv_calendar_item);   v.setTag(holder);  } else {   holder = (ViewHolder) v.getTag();  }  Day d = getItem(arg0);  switch (d.getType()) {  case TODAY:   setOrderThreeDayStyle(holder.tv, d.isOrdered(), context.getString(R.string.today));   break;  case TOMORROW:   setOrderThreeDayStyle(holder.tv, d.isOrdered(), context.getString(R.string.tomorrow));   break;  case T_D_A_T:   setOrderThreeDayStyle(holder.tv, d.isOrdered(), context.getString(R.string.t_d_a_t));   break;  case ENABLE:   holder.tv.setText(d.isOrdered() ? d.getName() + context.getString(R.string.order_day) : d.getName());   holder.tv.setEnabled(true);   holder.tv.setTextColor(d.isOrdered() ? Color.WHITE : context.getResources().getColor(     R.color.calendar_enable_color));   holder.tv.setBackgroundResource(d.isOrdered() ? R.drawable.calendar_order_item_bg     : R.drawable.normal_calendar_order_item_bg);   holder.tv.setTextSize(d.isOrdered() ? context.getResources().getDimension(     R.dimen.calendar_item_order_day_size) : context.getResources().getDimension(     R.dimen.calendar_item_nonorder_day_size));   break;  case NOT_ENABLE:   holder.tv.setText(d.getName());   holder.tv.setEnabled(false);   holder.tv.setTextColor(context.getResources().getColor(R.color.calendar_disable_color));   holder.tv.setBackgroundColor(Color.WHITE);   holder.tv.setTextSize(context.getResources().getDimension(R.dimen.calendar_item_nonorder_day_size));   break;  }  return v; } private void setOrderThreeDayStyle(TextView tv, boolean ordered, String dayStr) {  tv.setText(ordered ? dayStr + context.getString(R.string.order_day) : dayStr);  tv.setEnabled(true);  tv.setTextColor(ordered ? Color.WHITE : context.getResources().getColor(R.color.calendar_threeday_color));  tv.setBackgroundResource(ordered ? R.drawable.calendar_order_item_bg : R.drawable.normal_calendar_order_item_bg);  tv.setTextSize(ordered ? context.getResources().getDimension(R.dimen.calendar_item_order_day_size) : context    .getResources().getDimension(R.dimen.calendar_item_nonorder_day_size)); } static class ViewHolder {  TextView tv; } public void previous() {  if (c.get(Calendar.MONTH) == c.getActualMinimum(Calendar.MONTH)) {   c.set((c.get(Calendar.YEAR) - 1), c.getActualMaximum(Calendar.MONTH), 1);  } else {   c.set(Calendar.MONTH, c.get(Calendar.MONTH) - 1);  }  days = CalendarUtils.getDaysOfMonth(c, 0, orderDay);  notifyDataSetChanged(); } public void next() {  if (c.get(Calendar.MONTH) == c.getActualMaximum(Calendar.MONTH)) {   c.set((c.get(Calendar.YEAR) + 1), c.getActualMinimum(Calendar.MONTH), 1);  } else {   c.set(Calendar.MONTH, c.get(Calendar.MONTH) + 1);  }  days = CalendarUtils.getDaysOfMonth(c, 0, orderDay);  notifyDataSetChanged(); }}

package siso.calendarselector.lib;import java.util.Calendar;import android.content.Context;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;import android.widget.AdapterView;import android.widget.AdapterView.OnItemClickListener;import android.widget.BaseAdapter;import android.widget.TextView;import siso.calendarselector.R;/** * @Description 日历列表适配器 */public class CalendarListAdapter extends BaseAdapter { private Context context; private LayoutInflater mInflater; private int daysOfSelect; private String orderDay; private OnCalendarOrderListener listener; public CalendarListAdapter(Context context, int daysOfSelect, String orderDay) {  this.context = context;  this.daysOfSelect = daysOfSelect;  this.orderDay = orderDay;  mInflater = LayoutInflater.from(context); } @Override public int getCount() {  return CalendarUtils.throughMonth(Calendar.getInstance(), daysOfSelect) + 1; } @Override public Object getItem(int arg0) {  return null; } @Override public long getItemId(int arg0) {  return 0; } @Override public View getView(int arg0, View arg1, ViewGroup arg2) {  View v = arg1;  ViewHolder holder = null;  if (v == null) {   v = mInflater.inflate(R.layout.calendar, arg2, false);   holder = new ViewHolder();   holder.yearAndMonth = (TextView) v.findViewById(R.id.tv_year_month);   holder.calendarGrid = (NoScrollGridView) v.findViewById(R.id.gv_calendar_layout);   v.setTag(holder);  } else {   holder = (ViewHolder) v.getTag();  }  final Calendar c = Calendar.getInstance();  c.add(Calendar.MONTH, arg0);  holder.yearAndMonth.setText(c.get(Calendar.YEAR) + context.getString(R.string.year)    + (c.get(Calendar.MONTH) + 1) + context.getString(R.string.month));  CalendarAdapter cAdapter = null;  if (arg0 == 0) {   cAdapter = new CalendarAdapter(context, c, daysOfSelect, orderDay);  } else {   int d = daysOfSelect - CalendarUtils.currentMonthRemainDays() - CalendarUtils.getFlowMonthDays(arg0 - 1);   cAdapter = new CalendarAdapter(context, c, d, orderDay);  }  holder.calendarGrid.setAdapter(cAdapter);  holder.calendarGrid.setOnItemClickListener(new OnItemClickListener() {   @Override   public void onItemClick(AdapterView<?> parent, View view, int position, long id) {    Calendar cl = (Calendar) c.clone();    cl.set(Calendar.DAY_OF_MONTH, 1);    int day = position + 2 - cl.get(Calendar.DAY_OF_WEEK);    TextView dayTv = (TextView) view.findViewById(R.id.tv_calendar_item);    if (day <= 0 || !dayTv.isEnabled())     return;    String orderInfo = c.get(Calendar.YEAR) + "#" + (c.get(Calendar.MONTH) + 1) + "#" + day;    cl.clear();    cl = null;    if (listener != null)     listener.onOrder(orderInfo);   }  });  return v; } static class ViewHolder {  TextView yearAndMonth;  NoScrollGridView calendarGrid; } public void setOnCalendarOrderListener(OnCalendarOrderListener listener) {  this.listener = listener; } public interface OnCalendarOrderListener {  void onOrder(String orderInfo); }}

package siso.calendarselector.lib;import android.app.Activity;import android.content.Intent;import android.os.Bundle;import android.widget.ListView;import siso.calendarselector.R;/** * @Description 预订日选择 */public class CalendarSelectorActivity extends Activity { /**  * 可选天数  */ public static final String DAYS_OF_SELECT = "days_of_select"; /**  * 上次预订日  */ public static final String ORDER_DAY = "order_day"; private int daysOfSelect; private String orderDay; private ListView listView; @Override protected void onCreate(Bundle savedInstanceState) {  super.onCreate(savedInstanceState);  setContentView(R.layout.calendar_selector);  daysOfSelect = getIntent().getIntExtra(DAYS_OF_SELECT, 30);  orderDay = getIntent().getStringExtra(ORDER_DAY);  listView = (ListView) findViewById(R.id.lv_calendar);  CalendarListAdapter adapter = new CalendarListAdapter(this, daysOfSelect, orderDay);  listView.setAdapter(adapter);  adapter.setOnCalendarOrderListener(new CalendarListAdapter.OnCalendarOrderListener() {   @Override   public void onOrder(String orderInfo) {    Intent result = new Intent();    result.putExtra(ORDER_DAY, orderInfo);    setResult(RESULT_OK, result);    finish();   }  }); }}

package siso.calendarselector.lib;import java.util.ArrayList;import java.util.Calendar;public class CalendarUtils { private static int dayOfMonth, monthOfYear, curYear; static {  dayOfMonth = Calendar.getInstance().get(Calendar.DAY_OF_MONTH);  monthOfYear = Calendar.getInstance().get(Calendar.MONTH);  curYear = Calendar.getInstance().get(Calendar.YEAR); } /**  * Gets the days in month.  *  * @param month the month  * @param year the year  * @return the days in month  */ public static int getDaysInMonth(int month, int year) {  switch (month) {  case Calendar.JANUARY:  case Calendar.MARCH:  case Calendar.MAY:  case Calendar.JULY:  case Calendar.AUGUST:  case Calendar.OCTOBER:  case Calendar.DECEMBER:   return 31;  case Calendar.APRIL:  case Calendar.JUNE:  case Calendar.SEPTEMBER:  case Calendar.NOVEMBER:   return 30;  case Calendar.FEBRUARY:   return (year % 4 == 0) ? 29 : 28;  default:   throw new IllegalArgumentException("Invalid Month");  } } /**  * Gets the flow month days.  *  * @param flowMonth the flow month  * @return the flow month days  */ public static int getFlowMonthDays(int flowMonth) {  int totalDays = 0;  for (int i = 0; i < flowMonth; i++) {   Calendar c = Calendar.getInstance();   c.add(Calendar.MONTH, i + 1);   int days = getDaysInMonth(c.get(Calendar.MONTH), c.get(Calendar.YEAR));   totalDays += days;  }  return totalDays; } /**  * Current month remain days.  *  * @return the int  */ public static int currentMonthRemainDays() {  Calendar c = Calendar.getInstance();  return getDaysInMonth(c.get(Calendar.MONTH), c.get(Calendar.YEAR)) - c.get(Calendar.DAY_OF_MONTH) + 1; } /**  * Through month.  *  * @param calendar the calendar  * @param passDays the pass days  * @return the int  */ public static int throughMonth(Calendar calendar, int passDays) {  Calendar c = (Calendar) calendar.clone();  int curMonth = c.get(Calendar.MONTH);  int curYear = c.get(Calendar.YEAR);  c.add(Calendar.DAY_OF_MONTH, passDays - 1);  int monthCount = (c.get(Calendar.YEAR) - curYear) * 12 + (c.get(Calendar.MONTH) - curMonth);  return monthCount; } /**  * Gets the days of month.  *  * @param calendar the calendar  * @return the days of month  */ public static String[] getDaysOfMonth(Calendar calendar) {  Calendar month = (Calendar) calendar.clone();  String[] days;  final int FIRST_DAY_OF_WEEK = 0; // Sunday = 0, Monday = 1  month.set(Calendar.DAY_OF_MONTH, 1);  int lastDay = month.getActualMaximum(Calendar.DAY_OF_MONTH);  int firstDay = (int) month.get(Calendar.DAY_OF_WEEK);  if (firstDay == 1) {   days = new String[lastDay + (FIRST_DAY_OF_WEEK * 6)];  } else {   days = new String[lastDay + firstDay - (FIRST_DAY_OF_WEEK + 1)];  }  int j = FIRST_DAY_OF_WEEK;  if (firstDay > 1) {   for (j = 0; j < firstDay - FIRST_DAY_OF_WEEK; j++) {    days[j] = "";   }  } else {   for (j = 0; j < FIRST_DAY_OF_WEEK * 6; j++) {    days[j] = "";   }   j = FIRST_DAY_OF_WEEK * 6 + 1; // sunday => 1, monday => 7  }  int dayNumber = 1;  for (int i = j - 1; i < days.length; i++) {   days[i] = "" + dayNumber;   dayNumber++;  }  return days; } /**  * Gets the days of month.  *  * @param calendar the calendar  * @param passDays the pass days  * @param orderDay the order day  * @return the days of month  */ public static ArrayList<Day> getDaysOfMonth(Calendar calendar, int passDays, String orderDay) {  String[] orderInfo = null;  boolean isOrdered = false;  if (orderDay != null)   orderInfo = orderDay.split("#");  Calendar month = (Calendar) calendar.clone();  final int FIRST_DAY_OF_WEEK = 0; // Sunday = 0, Monday = 1  month.set(Calendar.DAY_OF_MONTH, 1);  int lastDay = month.getActualMaximum(Calendar.DAY_OF_MONTH);  int firstDay = (int) month.get(Calendar.DAY_OF_WEEK);  ArrayList<Day> days = new ArrayList<Day>();  int size;  if (firstDay == 1) {   size = lastDay + (FIRST_DAY_OF_WEEK * 6);  } else {   size = lastDay + firstDay - (FIRST_DAY_OF_WEEK + 1);  }  for (int i = 0; i < size; i++) {   days.add(new Day("", Day.DayType.NOT_ENABLE, isOrdered));  }  int j = FIRST_DAY_OF_WEEK;  if (firstDay > 1) {   for (j = 0; j < firstDay - FIRST_DAY_OF_WEEK; j++) {    days.set(j, new Day("", Day.DayType.NOT_ENABLE, isOrdered));   }  } else {   for (j = 0; j < FIRST_DAY_OF_WEEK * 6; j++) {    days.set(j, new Day("", Day.DayType.NOT_ENABLE, isOrdered));   }   j = FIRST_DAY_OF_WEEK * 6 + 1; // sunday => 1, monday => 7  }  int dayNumber = 1;  for (int i = j - 1; i < days.size(); i++) {   Day.DayType type;   if (month.get(Calendar.YEAR) == curYear && month.get(Calendar.MONTH) == monthOfYear) {    if (dayNumber >= dayOfMonth && dayNumber < dayOfMonth + passDays) {     type = Day.DayType.ENABLE;     if (dayNumber == dayOfMonth) {      type = Day.DayType.TODAY;      if (orderDay == null) {       isOrdered = true;      } else {       isOrdered = false;      }     } else if (dayNumber == dayOfMonth + 1) {      type = Day.DayType.TOMORROW;     } else if (dayNumber == dayOfMonth + 2) {      type = Day.DayType.T_D_A_T;     }    } else {     type = Day.DayType.NOT_ENABLE;    }   } else {    if (dayNumber <= passDays) {     type = Day.DayType.ENABLE;     // 明天/后天在下个月     int remainDays = getDaysInMonth(monthOfYear, curYear) - dayOfMonth;     if (remainDays < 2 && dayNumber <= 2 && Math.abs(month.get(Calendar.MONTH) - monthOfYear) == 1       && month.get(Calendar.YEAR) == curYear) {      if (remainDays == 1) {       if (dayNumber == 1) {        type = Day.DayType.T_D_A_T;       }      } else if (remainDays == 0) {       if (dayNumber == 1) {        type = Day.DayType.TOMORROW;       } else if (dayNumber == 2) {        type = Day.DayType.T_D_A_T;       }      }     }    } else {     type = Day.DayType.NOT_ENABLE;    }   }   if (orderInfo != null && orderInfo.length == 3 && Integer.valueOf(orderInfo[0]) == month.get(Calendar.YEAR)     && Integer.valueOf(orderInfo[1]) == (month.get(Calendar.MONTH) + 1)     && Integer.valueOf(orderInfo[2]) == dayNumber) {    isOrdered = true;   } else {    isOrdered = false;   }   days.set(i, new Day("" + dayNumber, type, isOrdered));   dayNumber++;  }  return days; }}

package siso.calendarselector.lib;public class Day {public Day(String name, DayType type, boolean isOrdered) { setName(name); setType(type); setOrdered(isOrdered);}public enum DayType { TODAY, TOMORROW, T_D_A_T, ENABLE, NOT_ENABLE}private String name;private DayType type;private boolean isOrdered;public boolean isOrdered() { return isOrdered;}public void setOrdered(boolean isOrdered) { this.isOrdered = isOrdered;}public String getName() { return name;}public void setName(String name) { this.name = name;}public DayType getType() { return type;}public void setType(DayType type) { this.type = type;}}

package siso.calendarselector.lib;import android.content.Context;import android.util.AttributeSet;import android.widget.GridView;public class NoScrollGridView extends GridView { public NoScrollGridView(Context context) {  super(context); } public NoScrollGridView(Context context, AttributeSet attrs) {  super(context, attrs); } @Override protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {  int expandSpec = MeasureSpec.makeMeasureSpec(Integer.MAX_VALUE >> 2, MeasureSpec.AT_MOST);  super.onMeasure(widthMeasureSpec, expandSpec); }}

<?xml version="1.0" encoding="utf-8"?><manifest xmlns:android="http://schemas.android.com/apk/res/android" xmlns:ndroid="http://schemas.android.com/apk/res-auto" package="siso.calendarselector"> <application  android:allowBackup="true"  android:icon="@mipmap/ic_launcher"  android:label="@string/app_name"  android:supportsRtl="true"  ndroid:theme="@android:style/Theme.Black.NoTitleBar">  <activity android:name=".MainActivity">   <intent-filter>    <action android:name="android.intent.action.MAIN" />    <category android:name="android.intent.category.LAUNCHER" />   </intent-filter>  </activity>  <activity android:name="siso.calendarselector.lib.CalendarSelectorActivity">  </activity> </application></manifest>