/** * 日历gridview中的每一个item显示的textview */public class CalendarAdapter extends BaseAdapter {
private static String TAG = "CalendarAdapter";
private boolean isLeapyear = false;
//是否为闰年 private int daysOfMonth = 0;
//某月的天数 private int dayOfWeek = 0;
//具体某一天是星期几 private int lastDaysOfMonth = 0;
//上一个月的总天数 private Context context;
private String[] dayNumber = new String[42];
//一个gridview中的日期存入此数组中 private SpecialCalendar sc = null;
private int currentYear = 0;
private int currentMonth = 0;
/** * 当前选中的日期位置 */ private int currentFlag = -1;
/** * 当前选中天的字符串 例:20170830 */ private String currentDayStr;
private SimpleDateFormat sdf = new SimpleDateFormat("yyyy-M-d");
private Set<Integer> schDateTagFlag = new ArraySet<>();
//存储当月所有的日程日期(标签) private String showYear = "";
//用于在头部显示的年份 private String showMonth = "";
//用于在头部显示的月份 private String animalsYear = "";
private String leapMonth = "";
//闰哪一个月 private Set<String> mSet = null;
/** * 距离当前月的差(上一个月-1,当前月0,下一个月+1) */ private int jumpMonth = 0;
public CalendarAdapter(Context context, int year, int month, String currentDayStr) {
this.context = context;
sc = new SpecialCalendar();
currentYear = year;
currentMonth = month;
//得到跳转到的月份 this.currentDayStr = currentDayStr;
getCalendar(currentYear, currentMonth);
}
@Override public int getCount() {
return dayNumber.length;
}
@Override public Object getItem(int position) {
return position;
}
@Override public long getItemId(int position) {
return position;
}
@Override public View getView(int position, View convertView, ViewGroup parent) {
ViewHolder myViewHolder = null;
if (convertView == null || convertView.getTag() == null) {
convertView = LayoutInflater.from(context).inflate(R.layout.item_select_time, null);
myViewHolder = new ViewHolder(convertView);
convertView.setTag(myViewHolder);
}
else {
myViewHolder = (ViewHolder) convertView.getTag();
}
myViewHolder.mIdTvItemSelectTimeDay.setText(dayNumber[position]);
myViewHolder.mIdTvItemSelectTimeDay.setTextColor(Color.GRAY);
//不是当前月为灰 if (position < daysOfMonth + dayOfWeek && position >= dayOfWeek) {
// 当前月信息显示 myViewHolder.mIdTvItemSelectTimeDay.setTextColor(Color.BLACK);
// 当月字体设黑 myViewHolder.mIdTvItemSelectTimeDay.setTag(true);
// 当月字体设黑 }
else {
myViewHolder.mIdTvItemSelectTimeDay.setTag(false);
// 当月字体设黑 }
if (currentFlag != -1 && currentFlag == position) {
//设置当天的背景 myViewHolder.mIdTvItemSelectTimeDay.setBackgroundResource(R.color.mainMenu);
myViewHolder.mIdTvItemSelectTimeDay.setTextColor(Color.WHITE);
}
else {
myViewHolder.mIdTvItemSelectTimeDay.setBackgroundColor(0);
}
//显示小圆点 if (schDateTagFlag != null && schDateTagFlag.size() > 0) {
if (schDateTagFlag.contains(position)) {
if (myViewHolder.mIdImgItemSelectTimeLogo.getVisibility()!=View.VISIBLE) {
myViewHolder.mIdImgItemSelectTimeLogo.setVisibility(View.VISIBLE);
}
}
else {
if (myViewHolder.mIdImgItemSelectTimeLogo.getVisibility()!=View.GONE) {
myViewHolder.mIdImgItemSelectTimeLogo.setVisibility(View.GONE);
}
}
}
else {
if (myViewHolder.mIdImgItemSelectTimeLogo.getVisibility()!=View.GONE) {
myViewHolder.mIdImgItemSelectTimeLogo.setVisibility(View.GONE);
}
}
return convertView;
}
/** * 下一个月 */ public void addMonth() {
jumpMonth++;
}
/** * 上一个月 */ public void lessMonth() {
jumpMonth--;
}
/** * 更新日历数据 */ public void upDataMonth() {
int stepYear;
int stepMonth = currentMonth + jumpMonth;
if (stepMonth > 0) {
//下一个月 if (stepMonth % 12 == 0) {
stepYear = currentYear + stepMonth / 12 - 1;
stepMonth = 12;
}
else {
stepYear = currentYear + stepMonth / 12;
stepMonth = stepMonth % 12;
}
}
else {
//上一个月 stepYear = currentYear - 1 + stepMonth / 12;
stepMonth = stepMonth % 12 + 12;
}
getCalendar(stepYear, stepMonth);
}
/** * 得到某年的某月的天数且这月的第一天是星期几 * * @param year * @param month */ private void getCalendar(int year, int month) {
isLeapyear = sc.isLeapYear(year);
//是否为闰年 daysOfMonth = sc.getDaysOfMonth(isLeapyear, month);
//某月的总天数 dayOfWeek = sc.getWeekdayOfMonth(year, month);
//某月第一天为星期几 lastDaysOfMonth = sc.getDaysOfMonth(isLeapyear, month - 1);
//上一个月的总天数 getWeek(year, month);
}
/** * 将一个月中的每一天的值添加入数组dayNuber中 * * @param year * @param month */ private void getWeek(int year, int month) {
schDateTagFlag.clear();
currentFlag = -1;
int j = 1;
//得到当前月的所有日程日期(这些日期需要标记) for (int i = 0;
i < dayNumber.length;
i++) {
if (i < dayOfWeek) {
//前一个月 int temp = lastDaysOfMonth - dayOfWeek + 1;
dayNumber[i] = (temp + i) + "";
}
else if (i < daysOfMonth + dayOfWeek) {
//本月 int day = i - dayOfWeek + 1;
//得到的日期 dayNumber[i] = i - dayOfWeek + 1 + "";
//对于当前月才去标记当前日期 String yearStr = String.valueOf(year);
String monthStr =getStr(String.valueOf(month),2);
String dayStr =getStr(String.valueOf(day),2);
String timeAll = yearStr + monthStr + dayStr;
if (timeAll.equals(currentDayStr)) {
//判断选中的位置 currentFlag = i;
}
if (mSet != null && mSet.size() > 0) {
for (String s : mSet) {
//迭代器遍历判断是否需要带标签 if (timeAll.equals(s)) {
schDateTagFlag.add(i);
}
}
}
setShowYear(yearStr);
setShowMonth(String.valueOf(month));
}
else {
//下一个月 dayNumber[i] = j + "";
j++;
}
}
}
/** * 获取当前时间 样式:20170830 * @param position * @return */ public String getItemTime(int position) {
String month = getStr(getShowMonth(), 2);
String day = getStr(getDateByClickItem(position), 2);
return getShowYear() + month + day;
}
/** * 保留N位整数,不足前面补0 * * @param file String * @param bit 位数 * @return */ public static String getStr(String file,int bit) {
while (file.length() < bit) file = "0" + file;
return file;
}
/** * 点击每一个item时返回item中的日期 * * @param position * @return */ public String getDateByClickItem(int position) {
return dayNumber[position];
}
/** * 在点击gridView时，得到这个月中第一天的位置 * * @return */ public int getStartPositon() {
return dayOfWeek + 7;
}
/** * 在点击gridView时，得到这个月中最后一天的位置 * * @return */ public int getEndPosition() {
return (dayOfWeek + daysOfMonth + 7) - 1;
}
public String getShowYear() {
return showYear;
}
public void setShowYear(String showYear) {
this.showYear = showYear;
}
public String getShowMonth() {
return showMonth;
}
public void setShowMonth(String showMonth) {
this.showMonth = showMonth;
}
public String getAnimalsYear() {
return animalsYear;
}
public void setAnimalsYear(String animalsYear) {
this.animalsYear = animalsYear;
}
public String getLeapMonth() {
return leapMonth;
}
public void setLeapMonth(String leapMonth) {
this.leapMonth = leapMonth;
}
public Set<String> getSet() {
return mSet;
}
public void setSet(Set<String> set) {
mSet = set;
}
static class ViewHolder {
@BindView(R.id.id_img_item_select_time_logo) ImageView mIdImgItemSelectTimeLogo;
@BindView(R.id.id_tv_item_select_time_day) TextView mIdTvItemSelectTimeDay;
ViewHolder(View view) {
ButterKnife.bind(this, view);
}
}
}

/** * 日历工具类 */public class SpecialCalendar {
private int daysOfMonth = 0;
//某月的天数 private int dayOfWeek = 0;
//具体某一天是星期几 /** * 判断是否为闰年 * @param year * @return */ public boolean isLeapYear(int year) {
if (year % 100 == 0 && year % 400 == 0) {
return true;
}
else if (year % 100 != 0 && year % 4 == 0) {
return true;
}
return false;
}
/** * 得到某月有多少天数 * @param isLeapyear * @param month * @return */ public int getDaysOfMonth(boolean isLeapyear, int month) {
switch (month) {
case 1: case 3: case 5: case 7: case 8: case 10: case 12: daysOfMonth = 31;
break;
case 4: case 6: case 9: case 11: daysOfMonth = 30;
break;
case 2: if (isLeapyear) {
daysOfMonth = 29;
}
else {
daysOfMonth = 28;
}
}
return daysOfMonth;
}
/** * 指定某年中的某月的第一天是星期几 * @param year * @param month * @return */ public int getWeekdayOfMonth(int year, int month){
Calendar cal = Calendar.getInstance();
cal.set(year, month-1, 1);
dayOfWeek = cal.get(Calendar.DAY_OF_WEEK)-1;
return dayOfWeek;
}
}

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical"> <include layout="@layout/layout_public_finish_menu" /> <LinearLayout android:layout_width="match_parent" android:layout_height="40dp" android:background="@color/bg_home_gone_menu" android:gravity="center" android:orientation="horizontal" > <ImageView android:id="@+id/id_img_select_time_less" android:layout_width="wrap_content" android:layout_height="match_parent" android:layout_weight="1" android:padding="5dp" android:src="@mipmap/ic_sd_time_less" android:background="@drawable/selector_public_btn_bg" /> <TextView android:id="@+id/id_tv_select_time_show" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_weight="4" android:gravity="center" android:text="年月" android:textColor="@color/white" android:textSize="@dimen/default_big" /> <ImageView android:id="@+id/id_img_select_time_add" android:layout_width="wrap_content" android:layout_height="match_parent" android:layout_weight="1" android:padding="5dp" android:src="@mipmap/ic_sd_time_add" android:background="@drawable/selector_public_btn_bg" /> </LinearLayout> <GridView android:id="@+id/id_gv_select_item" android:layout_width="wrap_content" android:layout_height="wrap_content" android:background="@drawable/bg_rectangle_null_black_1" android:clickable="true" android:gravity="center" android:layout_gravity="center" android:clipChildren="true" android:listSelector="@null" android:numColumns="7" android:padding="1dp" android:layout_margin="5dp" android:stretchMode="columnWidth" /></LinearLayout>

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:background="@drawable/bg_rectangle_null_black_1"> <TextView android:id="@+id/id_tv_item_select_time_day" android:layout_width="match_parent" android:layout_height="match_parent" android:gravity="center" android:text="天" android:textSize="@dimen/default_big" android:layout_margin="1dp" android:textStyle="bold" /> <ImageView android:id="@+id/id_img_item_select_time_logo" android:layout_width="5dp" android:layout_height="5dp" android:layout_margin="3dp" android:src="@drawable/shap_doorbell_oval_red" android:visibility="gone" /></RelativeLayout>

//传入当前的年,月..已经选中的时间(20170830) mAdapter = new CalendarAdapter(mContext, year_c, month_c, currentDayStr);
mIdGvSelectItem.setAdapter(mAdapter);
/** * GridView Item的点击事件 */ private class MyGvListener implements AdapterView.OnItemClickListener {
@Override public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
TextView mTv = (TextView) view.findViewById(R.id.id_tv_item_select_time_day);
boolean isOnClick = (boolean) mTv.getTag();
if (isOnClick) {
String time = mAdapter.getItemTime(position);
Intent mIntent = getIntent();
mIntent.putExtra("fileDate", time);
setResult(AppStart.SDVA_SDTA, mIntent);
finish();
Log.i(TAG,"当前选择的时间:" + time);
}
}
}
/** * 点击事件逻辑处理 */ private class MyListener implements View.OnClickListener {
@Override public void onClick(View v) {
switch (v.getId()) {
//上一个月 case R.id.id_img_select_time_less: mAdapter.lessMonth();
mHandler.sendEmptyMessage(UPDATA_TIME);
addTextToTopTextView(mIdTvSelectTimeShow);
break;
//下一个月 case R.id.id_img_select_time_add: mAdapter.addMonth();
mHandler.sendEmptyMessage(UPDATA_TIME);
addTextToTopTextView(mIdTvSelectTimeShow);
break;
}
}
}
private Set<String> dayEventCount = new HashSet<>();
//设置需要显示标签的实际 mAdapter.setSet(dayEventCount);
//更新 @Override protected void uiHandlerMessage(Message msg) {
switch (msg.what) {
case UPDATA_TIME: mAdapter.upDataMonth();
mAdapter.notifyDataSetChanged();
break;
}
}