# Modify this class to display Start day as Sunday

public abstract class DPCalendar { protected final Calendar c = Calendar.getInstance();

/**
 * 获取某年某月的节日数组
 * <p/>
 * Build the festival date array of given year and month
 *
 * @param year  某年
 * @param month 某月
 * @return 该月节日数组
 */
public abstract String[][] buildMonthFestival(int year, int month);

/**
 * 获取某年某月的假期数组
 * <p/>
 * Build the holiday date array of given year and month
 *
 * @param year  某年
 * @param month 某月
 * @return 该月假期数组
 */
public abstract Set<String> buildMonthHoliday(int year, int month);

/**
 * 判断某年是否为闰年
 *
 * @param year ...
 * @return true表示闰年
 */
public boolean isLeapYear(int year) {
    return (((year % 4 == 0) && (year % 100 != 0)) || (year % 400 == 0));
}

/**
 * 判断给定日期是否为今天
 *
 * @param year  某年
 * @param month 某月
 * @param day   某天
 * @return ...
 */
public boolean isToday(int year, int month, int day) {
    Calendar c1 = Calendar.getInstance();
    Calendar c2 = Calendar.getInstance();
    c1.set(year, month - 1, day);
    return (c1.get(Calendar.YEAR) == c2.get(Calendar.YEAR)) &&
            (c1.get(Calendar.MONTH) == (c2.get(Calendar.MONTH))) &&
            (c1.get(Calendar.DAY_OF_MONTH) == c2.get(Calendar.DAY_OF_MONTH));
}

/**
 * 生成某年某月的公历天数数组
 * 数组为6x7的二维数组因为一个月的周数永远不会超过六周
 * 天数填充对应相应的二维数组下标
 * 如果某个数组下标中没有对应天数那么则填充一个空字符串
 *
 * @param year  某年
 * @param month 某月
 * @return 某年某月的公历天数数组
 */
public String[][] buildMonthG(int year, int month) {
    c.clear();
    String tmp[][] = new String[6][7];
    c.set(year, month - 1, 1);

    int daysInMonth = 0;
    if (month == 1 || month == 3 || month == 5 || month == 7 || month == 8 || month == 10 ||
            month == 12) {
        daysInMonth = 31;
    } else if (month == 4 || month == 6 || month == 9 || month == 11) {
        daysInMonth = 30;
    } else if (month == 2) {
        if (isLeapYear(year)) {
            daysInMonth = 29;
        } else {
            daysInMonth = 28;
        }
    }
    int dayOfWeek= c.get(Calendar.DAY_OF_WEEK) - Calendar.SUNDAY;
    int day = 1;

// if(c.DAY_OF_YEAR==2017 && c.MONTH==1 ||c.DAY_OF_YEAR==2017&& c.MONTH==10) // { // dayOfWeek=c.get(Calendar.DAY_OF_WEEK) - Calendar.SUNDAY; // } // else{ // dayOfWeek = c.get(Calendar.DAY_OF_WEEK) - Calendar.MONDAY; // } for (int i = 0; i < 6; i++) { for (int j = 0; j < 7; j++) { tmp[i][j] = ""; if (i == 0 && j >= dayOfWeek) { tmp[i][j] = "" + day; day++; } else if (i > 0 && day <= daysInMonth) { tmp[i][j] = "" + day; day++; } } } return tmp; }

/**
 * 生成某年某月的周末日期集合
 *
 * @param year  某年
 * @param month 某月
 * @return 某年某月的周末日期集合
 */
public Set<String> buildMonthWeekend(int year, int month) {
    Set<String> set = new HashSet<>();
    c.clear();
    c.set(year, month - 1, 1);
    do {
        int day = c.get(Calendar.DAY_OF_WEEK);
        if (day == Calendar.SATURDAY || day == Calendar.SUNDAY) {
            set.add(String.valueOf(c.get(Calendar.DAY_OF_MONTH)));
        }
        c.add(Calendar.DAY_OF_YEAR, 1);
    } while (c.get(Calendar.MONTH) == month - 1);
    return set;
}

protected long GToNum(int year, int month, int day) {
    month = (month + 9) % 12;
    year = year - month / 10;
    return 365 * year + year / 4 - year / 100 + year / 400 + (month * 306 + 5) / 10 + (day - 1);
}

protected int getBitInt(int data, int length, int shift) {
    return (data & (((1 << length) - 1) << shift)) >> shift;
}

}

# Here you can change the week start and weekend day color public class DPBaseTheme extends DPTheme { @Override public int colorBG() { return 0xFFFFFFFF; }

@Override
public int colorBGCircle() {
    return 0x44000000;
}

@Override
public int colorTitleBG() {
    return 0xFFF37B7A;
}

@Override
public int colorTitle() {
    return 0xEEFFFFFF;
}

@Override
public int colorToday() {
    return 0x88F37B7A;
}

@Override
public int colorG() {
    return 0xEE333333;
}

@Override
public int colorF() {
    return 0xEEC08AA4;
}

@Override

public int colorWeekend() {
    return 0xEEF78082;
}

@Override
public int colorHoliday() {
    return 0x80FED6D6;
}

}

devaige / DatePicker

Change color of weak start day and weak end days #61

# Modify this class to display Start day as Sunday

@Override