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我正在使用自定义日历从此link。它的工作，但本月除外的所有月份的日期已变灰。我希望显示所有月份，如第二张屏幕截图所示。但除了当前月份（即4月）以外，所有月份都会变灰。任何人都可以帮助我像第二张截图一样显示每个月，而不是像第一张截图一样？setEmptyView当edittext为空时使用textwatcher
Calendar View:
public class CalendarView extends LinearLayout
{
\t // for logging
\t private static final String LOGTAG = "Calendar View";
\t // how many days to show, defaults to six weeks, 42 days
\t private static final int DAYS_COUNT = 42;
\t // default date format
\t private static final String DATE_FORMAT = "MMM yyyy";
\t // date format
\t private String dateFormat;
\t // current displayed month
\t private Calendar currentDate = Calendar.getInstance();
\t //event handling
\t private EventHandler eventHandler = null;
\t // internal components
\t private LinearLayout header;
\t private ImageView btnPrev;
\t private ImageView btnNext;
\t private TextView txtDate;
\t private GridView grid;
\t // seasons' rainbow
\t int[] rainbow = new int[] {
\t \t \t R.color.summer,
\t \t \t R.color.fall,
\t \t \t R.color.winter,
\t \t \t R.color.spring
\t };
\t // month-season association (northern hemisphere, sorry australia :)
\t int[] monthSeason = new int[] {2, 2, 3, 3, 3, 0, 0, 0, 1, 1, 1, 2};
\t public CalendarView(Context context)
\t {
\t \t super(context);
\t }
\t public CalendarView(Context context, AttributeSet attrs)
\t {
\t \t super(context, attrs);
\t \t initControl(context, attrs);
\t }
\t public CalendarView(Context context, AttributeSet attrs, int defStyleAttr)
\t {
\t \t super(context, attrs, defStyleAttr);
\t \t initControl(context, attrs);
\t }
\t /**
\t * Load control xml layout
\t */
\t private void initControl(Context context, AttributeSet attrs)
\t {
\t \t LayoutInflater inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
\t \t inflater.inflate(R.layout.control_calendar, this);
\t \t loadDateFormat(attrs);
\t \t assignUiElements();
\t \t assignClickHandlers();
\t \t updateCalendar();
\t }
\t private void loadDateFormat(AttributeSet attrs)
\t {
\t \t TypedArray ta = getContext().obtainStyledAttributes(attrs, R.styleable.CalendarView);
\t \t try
\t \t {
\t \t \t // try to load provided date format, and fallback to default otherwise
\t \t \t dateFormat = ta.getString(R.styleable.CalendarView_dateFormat);
\t \t \t if (dateFormat == null)
\t \t \t \t dateFormat = DATE_FORMAT;
\t \t }
\t \t finally
\t \t {
\t \t \t ta.recycle();
\t \t }
\t }
\t private void assignUiElements()
\t {
\t \t // layout is inflated, assign local variables to components
\t \t header = (LinearLayout)findViewById(R.id.calendar_header);
\t \t btnPrev = (ImageView)findViewById(R.id.calendar_prev_button);
\t \t btnNext = (ImageView)findViewById(R.id.calendar_next_button);
\t \t txtDate = (TextView)findViewById(R.id.calendar_date_display);
\t \t grid = (GridView)findViewById(R.id.calendar_grid);
\t }
\t private void assignClickHandlers()
\t {
\t \t // add one month and refresh UI
\t \t btnNext.setOnClickListener(new OnClickListener()
\t \t {
\t \t \t @Override
\t \t \t public void onClick(View v)
\t \t \t {
\t \t \t \t currentDate.add(Calendar.MONTH, 1);
\t \t \t \t updateCalendar();
\t \t \t }
\t \t });
\t \t // subtract one month and refresh UI
\t \t btnPrev.setOnClickListener(new OnClickListener()
\t \t {
\t \t \t @Override
\t \t \t public void onClick(View v)
\t \t \t {
\t \t \t \t currentDate.add(Calendar.MONTH, -1);
\t \t \t \t updateCalendar();
\t \t \t }
\t \t });
\t \t // long-pressing a day
\t \t grid.setOnItemLongClickListener(new AdapterView.OnItemLongClickListener()
\t \t {
\t \t \t @Override
\t \t \t public boolean onItemLongClick(AdapterView<?> view, View cell, int position, long id)
\t \t \t {
\t \t \t \t // handle long-press
\t \t \t \t if (eventHandler == null)
\t \t \t \t \t return false;
\t \t \t \t eventHandler.onDayLongPress((Date)view.getItemAtPosition(position));
\t \t \t \t return true;
\t \t \t }
\t \t });
\t }
\t /**
\t * Display dates correctly in grid
\t */
\t public void updateCalendar()
\t {
\t \t updateCalendar(null);
\t }
\t /**
\t * Display dates correctly in grid
\t */
\t public void updateCalendar(HashSet<Date> events)
\t {
\t \t ArrayList<Date> cells = new ArrayList<>();
\t \t Calendar calendar = (Calendar)currentDate.clone();
\t \t // determine the cell for current month's beginning
\t \t calendar.set(Calendar.DAY_OF_MONTH, 1);
\t \t int monthBeginningCell = calendar.get(Calendar.DAY_OF_WEEK) - 1;
\t \t // move calendar backwards to the beginning of the week
\t \t calendar.add(Calendar.DAY_OF_MONTH, -monthBeginningCell);
\t \t // fill cells
\t \t while (cells.size() < DAYS_COUNT)
\t \t {
\t \t \t cells.add(calendar.getTime());
\t \t \t calendar.add(Calendar.DAY_OF_MONTH, 1);
\t \t }
\t \t // update grid
\t \t grid.setAdapter(new CalendarAdapter(getContext(), cells, events));
\t \t // update title
\t \t SimpleDateFormat sdf = new SimpleDateFormat(dateFormat);
\t \t txtDate.setText(sdf.format(currentDate.getTime()));
\t \t // set header color according to current season
\t \t int month = currentDate.get(Calendar.MONTH);
\t \t int season = monthSeason[month];
\t \t int color = rainbow[season];
\t \t header.setBackgroundColor(getResources().getColor(color));
\t }
\t private class CalendarAdapter extends ArrayAdapter<Date>
\t {
\t \t // days with events
\t \t private HashSet<Date> eventDays;
\t \t // for view inflation
\t \t private LayoutInflater inflater;
\t \t public CalendarAdapter(Context context, ArrayList<Date> days, HashSet<Date> eventDays)
\t \t {
\t \t \t super(context, R.layout.control_calendar_day, days);
\t \t \t this.eventDays = eventDays;
\t \t \t inflater = LayoutInflater.from(context);
\t \t }
\t \t @Override
\t \t public View getView(int position, View view, ViewGroup parent)
\t \t {
\t \t \t // day in question
\t \t \t Date date = getItem(position);
\t \t \t int day = date.getDate();
\t \t \t int month = date.getMonth();
\t \t \t int year = date.getYear();
\t \t \t // today
\t \t \t Date today = new Date();
\t \t \t // inflate item if it does not exist yet
\t \t \t if (view == null)
\t \t \t \t view = inflater.inflate(R.layout.control_calendar_day, parent, false);
\t \t \t // if this day has an event, specify event image
\t \t \t view.setBackgroundResource(0);
\t \t \t if (eventDays != null)
\t \t \t {
\t \t \t \t for (Date eventDate : eventDays)
\t \t \t \t {
\t \t \t \t \t if (eventDate.getDate() == day &&
\t \t \t \t \t \t \t eventDate.getMonth() == month &&
\t \t \t \t \t \t \t eventDate.getYear() == year)
\t \t \t \t \t {
\t \t \t \t \t \t // mark this day for event
\t \t \t \t \t \t view.setBackgroundResource(R.drawable.reminder);
\t \t \t \t \t \t break;
\t \t \t \t \t }
\t \t \t \t }
\t \t \t }
\t \t \t // clear styling
\t \t \t ((TextView)view).setTypeface(null, Typeface.NORMAL);
\t \t \t ((TextView)view).setTextColor(Color.BLACK);
\t \t \t if (month != today.getMonth() || year != today.getYear())
\t \t \t {
\t \t \t \t // if this day is outside current month, grey it out
\t \t \t \t ((TextView)view).setTextColor(getResources().getColor(R.color.greyed_out));
\t \t \t }
\t \t \t else if (day == today.getDate())
\t \t \t {
\t \t \t \t // if it is today, set it to blue/bold
\t \t \t \t ((TextView)view).setTypeface(null, Typeface.BOLD);
\t \t \t \t ((TextView)view).setTextColor(getResources().getColor(R.color.today));
\t \t \t }
\t \t \t // set text
\t \t \t ((TextView)view).setText(String.valueOf(date.getDate()));
\t \t \t return view;
\t \t }
\t }
\t /**
\t * Assign event handler to be passed needed events
\t */
\t public void setEventHandler(EventHandler eventHandler)
\t {
\t \t this.eventHandler = eventHandler;
\t }
\t /**
\t * This interface defines what events to be reported to
\t * the outside world
\t */
\t public interface EventHandler
\t {
\t \t void onDayLongPress(Date date);
\t }
}![2nd Screenshot[![][2]](https://i.stack.imgur.com/0K6nr.jpg)
http://stackoverflow.com/questions/13411685/set-the-text-color-of-calendar-view-month-name –
感谢您的快速回复。请检查getView（）中的条件'if（month！= today.getMonth（）|| year！= today.getYear（））'。这是灰化日期的原因。 –