Android 价格日历

查找过各种技术文档，发现android价格日历这一部分貌似还是空白，我就把真实项目中的代码给大家分析一下

有兴趣的朋友可以去下载源码
http://download.csdn.net/detail/qq_28195645/9607934
先给大家看效果图，左右滑动翻月，如果在某天之前没有可售的日子，那么会提示“xxxx-xx-xx之前无...”，并不能翻月。颜色，文字都可以自定义，



二、接下来我们讲解代码

直接上价格日历的控件，下面是关键代码

/**
* 填充日历(包含日期、标记、背景等)
*/
private void setCalendarDate() {
// 根据日历的日子获取这一天是星期几
int weekday = calendarday.getDay();
// 每个月第一天
int firstDay = 1;
// 每个月中间号,根据循环会自动++
int day = firstDay;
// 每个月的最后一天
int lastDay = getDateNum(calendarday.getYear(), calendarday.getMonth());
// 下个月第一天
int nextMonthDay = 1;
int lastMonthDay = 1;

// 填充每一个空格
for (int i = 0; i < ROWS_TOTAL; i++) {
for (int j = 0; j < COLS_TOTAL; j++) {
// 这个月第一天不是礼拜天,则需要绘制上个月的剩余几天
if (i == 0 && j == 0 && weekday != 0) {
int year = 0;
int month = 0;
int lastMonthDays = 0;
// 如果这个月是1月，上一个月就是去年的12月
if (calendarday.getMonth() == 0) {
year = calendarday.getYear() - 1;
month = Calendar.DECEMBER;
} else {
year = calendarday.getYear();
month = calendarday.getMonth() - 1;
}
// 上个月的最后一天是几号
lastMonthDays = getDateNum(year, month);
// 第一个格子展示的是几号
int firstShowDay = lastMonthDays - weekday + 1;
// 上月
for (int k = 0; k < weekday; k++) {
lastMonthDay = firstShowDay + k;
LinearLayout group = getDateView(0, k);
group.setGravity(Gravity.CENTER);
LinearLayout view = null;
if (group.getChildCount() > 0) {
view = (LinearLayout) group.getChildAt(0);
} else {
LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(
ViewGroup.LayoutParams.MATCH_PARENT, -1);
view = new LinearLayout(getContext());
view.setLayoutParams(params);
view.setGravity(Gravity.CENTER);
view.setOrientation(LinearLayout.VERTICAL);
//                            view = (LinearLayout) LayoutInflater.from(getContext()).inflate(R.layout.calendar_day_item, null);
group.addView(view);
}
//日历中的日期
//                        TextView txtvDay = (TextView) view.findViewById(R.id.txtv_day_calendaritem);
TextView txtvDay = null;
TextView txtvPrice = null;
if (view.
getChildCount() > 0) {
txtvDay = (TextView) view.getChildAt(0);
txtvPrice = (TextView) view.getChildAt(1);
} else {
LinearLayout.LayoutParams paramsDay = new LinearLayout.LayoutParams(
ViewGroup.LayoutParams.MATCH_PARENT, 0, 1.5f);
txtvDay = new TextView(getContext());
txtvPrice = new TextView(getContext());
txtvDay.setLayoutParams(paramsDay);
txtvDay.setGravity(Gravity.CENTER);
txtvDay.setTextSize(10);
LinearLayout.LayoutParams paramsPrice = new LinearLayout.LayoutParams(
ViewGroup.LayoutParams.MATCH_PARENT, 0, 2f);
txtvPrice.setLayoutParams(paramsDay);
txtvPrice.setGravity(Gravity.CENTER);
txtvPrice.setTextSize(10);
view.addView(txtvDay);
view.addView(txtvPrice);
}
txtvDay.setText(Integer.toString(lastMonthDay));
txtvDay.setTextColor(COLOR_TX_OTHER_MONTH_DAY);
txtvPrice.setTextColor(COLOR_TX_OTHER_MONTH_DAY);
dates[0][k] = format(new Date(year, month, lastMonthDay));
// 设置日期背景色
if (dayBgColorMap.get(dates[0][k]) != null) {
// view.setBackgroundResource(dayBgColorMap
// .get(dates[i][j]));
} else {
//                            view.setBackgroundColor(Color.TRANSPARENT);
((LinearLayout) view.getParent()).setBackgroundResource(R.drawable.calendar_day_bg);
}
// 设置标记
setMarker(group, 0, k);
}
j = weekday - 1;
// 这个月第一天是礼拜天，不用绘制上个月的日期，直接绘制这个月的日期
} else {
LinearLayout group = getDateView(i, j);
group.setGravity(Gravity.CENTER);

LinearLayout view = null;
if (group.
getChildCount() > 0) {
view = (LinearLayout) group.getChildAt(0);
} else {

LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(
ViewGroup.LayoutParams.MATCH_PARENT, -1);
view = new LinearLayout(getContext());
view.setLayoutParams(params);
view.setGravity(Gravity.CENTER);
view.setOrientation(LinearLayout.VERTICAL);
group.addView(view);
//                        view = (LinearLayout) LayoutInflater.from(getContext()).inflate(R.layout.calendar_day_item, null);
}

// 本月
if (day <= lastDay) {
dates[i][j] = format(new Date(calendarday.getYear(),
calendarday.getMonth(), day));
TextView txtvDay = null;
TextView txtvPrice = null;
if (view.
getChildCount() > 0) {
txtvDay = (TextView) view.getChildAt(0);
txtvPrice = (TextView) view.getChildAt(1);
} else {
LinearLayout.LayoutParams paramsDay = new LinearLayout.LayoutParams(
ViewGroup.LayoutParams.MATCH_PARENT, 0, 1.5f);
txtvDay = new TextView(getContext());
txtvPrice = new TextView(getContext());
txtvDay.setLayoutParams(paramsDay);
txtvDay.setGravity(Gravity.CENTER);
txtvDay.setTextSize(10);
LinearLayout.LayoutParams paramsPrice = new LinearLayout.LayoutParams(
ViewGroup.LayoutParams.MATCH_PARENT, 0, 2f);
txtvPrice.setLayoutParams(paramsDay);
txtvPrice.setGravity(Gravity.CENTER);
txtvPrice.setTextSize(10);
//                        view = (LinearLayout) LayoutInflater.from(getContext()).inflate(R.layout.calendar_day_item, null);
view.addView(txtvDay);
view.addView(txtvPrice);
}

txtvPrice.setText("");
/**
* 获得本月的group
*/
if (groups != null && groups.size() != 0) {
List<GroupDeadline> thisMonths = new ArrayList<GroupDeadline>();

for (int m = 0; m < groups.size(); m++) {
//dates.add(groups.get(i).getDate());
int thisyear = getYear(groups.get(m).getDate());
int thismonth = getMonth(groups.get(m).getDate());
if (thisyear - 1900 == calendarday.getYear()) {
if (thismonth - 1 == calendarday.getMonth()) {
thisMonths.add(groups.get(m));
}
}
}
for (int d = 0; d < thisMonths.size(); d++) {
if (day == getDay(thisMonths.get(d).getDate())) {
//                                    if (thisMonths.get(d).getState() == 0) {
//                                        txtvPrice.setText("");
//                                    } else
if (Integer.parseInt(thisMonths.get(d).getStock()) > 0) {

txtvPrice.setText("￥" + thisMonths.get(d).getSell_price_adult());
} else {
txtvPrice.setText("售罄");
}
}
}
}
txtvDay.setText(Integer.toString(day));
// 当天
if (thisday.getDate() == day
&& thisday.getMonth() == calendarday.getMonth()
&& thisday.getYear() == calendarday.getYear()) {
txtvDay.setText("今天");
txtvDay.setTextColor(COLOR_TX_WEEK_TITLE);
txtvPrice.setTextColor(COLOR_TX_PRICE);
((LinearLayout) view.getParent()).setBackgroundResource(R.drawable.calendar_day_bg);
} else {
txtvDay.setTextColor(COLOR_TX_THIS_MONTH_DAY);
txtvPrice.setTextColor(COLOR_TX_PRICE);
((LinearLayout) view.getParent()).setBackgroundResource(R.drawable.calendar_day_bg);
}
// 上面首先设置了一下默认的"当天"背景色，当有特殊需求时，才给当日填充背景色
// 设置日期背景色
if (dayBgColorMap.get(dates[i][j]) != null) {
txtvDay.setTextColor(Color.WHITE);
txtvPrice.setTextColor(Color.WHITE);
((LinearLayout) view.getParent()).setBackgroundColor(dayBgColorMap
.get(dates[i][j]));
}
// 设置标记
setMarker(group, i, j);
day++;
// 下个月
} else {
TextView txtvDay = null;
TextView txtvPrice = null;
if (view.
getChildCount() > 0) {
txtvDay = (TextView) view.getChildAt(0);
txtvPrice = (TextView) view.getChildAt(1);
} else {
LinearLayout.LayoutParams paramsDay = new LinearLayout.LayoutParams(
ViewGroup.LayoutParams.MATCH_PARENT, 0, 1.5f);
txtvDay = new TextView(getContext());
txtvPrice = new TextView(getContext());
txtvDay.setLayoutParams(paramsDay);
txtvDay.setGravity(Gravity.CENTER);
txtvDay.setTextSize(10);
LinearLayout.LayoutParams paramsPrice = new LinearLayout.LayoutParams(
ViewGroup.LayoutParams.MATCH_PARENT, 0, 2f);
txtvPrice.setLayoutParams(paramsDay);
txtvPrice.setGravity(Gravity.CENTER);
txtvPrice.setTextSize(10);
//                        view = (LinearLayout) LayoutInflater.from(getContext()).inflate(R.layout.calendar_day_item, null);
view.addView(txtvDay);
view.addView(txtvPrice);
}
//                        TextView txtvDay = (TextView) view.findViewById(R.id.txtv_day_calendaritem);
if (calendarday.getMonth() == Calendar.DECEMBER) {
dates[i][j] = format(new Date(
calendarday.getYear() + 1,
Calendar.JANUARY, nextMonthDay));
} else {
dates[i][j] = format(new Date(
calendarday.getYear(),
calendarday.getMonth() + 1, nextMonthDay));
}
txtvDay.setText(Integer.toString(nextMonthDay));
txtvDay.setTextColor(COLOR_TX_OTHER_MONTH_DAY);
txtvPrice.setTextColor(COLOR_TX_OTHER_MONTH_DAY);
// 设置日期背景色
if (dayBgColorMap.get(dates[i][j]) != null) {
// view.setBackgroundResource(dayBgColorMap
// .get(dates[i][j]));
} else {
((LinearLayout) view.getParent()).setBackgroundResource(R.drawable.calendar_day_bg);
}
// 设置标记
setMarker(group, i, j);
nextMonthDay++;
}
}
}
}
}