<com.tubb.calendarselector.library.MonthView
 android:id="@+id/ssMv"
 android:layout_width="match_parent"
 android:layout_height="300dp"
 sc:sc_firstday_week="sunday"
 sc:sc_draw_monthday_only="false"
 sc:sc_month="2016-3"/>

selector = new CalendarSelector(data, CalendarSelector.Mode.SEGMENT);
selector.setSegmentSelectListener(new SegmentSelectListener() {
 @Override
 public void onSegmentSelect(FullDay startDay, FullDay endDay) {
  Log.d(TAG, "segment select " + startDay.toString() + " : " + endDay.toString());
 }

 @Override
 public boolean onInterceptSelect(FullDay selectingDay) { // one day intercept
  if(SCDateUtils.isToday(selectingDay.getYear(), selectingDay.getMonth(), selectingDay.getDay())){
   Toast.makeText(CalendarSelectorActivity.this, "Today can't be selected", Toast.LENGTH_SHORT).show();
   return true;
  }
  return super.onInterceptSelect(selectingDay);
 }

 @Override
 public boolean onInterceptSelect(FullDay startDay, FullDay endDay) { // segment days intercept
  int differDays = SCDateUtils.countDays(startDay.getYear(), startDay.getMonth(), startDay.getDay(),
    endDay.getYear(), endDay.getMonth(), endDay.getDay());
  Log.d(TAG, "differDays " + differDays);
  if(differDays > 10) {
   Toast.makeText(CalendarSelectorActivity.this, "Selected days can't more than 10", Toast.LENGTH_SHORT).show();
   return true;
  }
  return super.onInterceptSelect(startDay, endDay);
 }

 @Override
 public void selectedSameDay(FullDay sameDay) { // selected the same day
  super.selectedSameDay(sameDay);
 }
});

selector = new SingleMonthSelector(CalendarSelector.Mode.INTERVAL);
selector.setIntervalSelectListener(new IntervalSelectListener() {
 @Override
 public void onIntervalSelect(List<FullDay> selectedDays) {
  Log.d(TAG, "interval selected days " + selectedDays.toString());
 }

 @Override
 public boolean onInterceptSelect(List<FullDay> selectedDays, FullDay selectingDay) {
  if(selectedDays.size() >= 5) {
   Toast.makeText(SingleMonthSelectorActivity.this, "Selected days can't more than 5", Toast.LENGTH_LONG).show();
   return true;
  }
  return super.onInterceptSelect(selectedDays, selectingDay);
 }
});

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
 android:layout_width="match_parent"
 android:layout_height="match_parent"
 xmlns:tools="http://schemas.android.com/tools">

 <TextView
  android:id="@+id/tvDay"
  android:layout_width="30dp"
  android:layout_height="30dp"
  android:textSize="@dimen/t_16"
  tools:text="0"
  android:layout_gravity="center"
  android:gravity="center"
  android:textColor="@color/color_dayview_text_selector"
  android:background="@drawable/drawable_custom_dayview_text_bg"
  />

</FrameLayout>

public class CustomDayViewInflater extends DayViewInflater{

 public CustomDayViewInflater(Context context) {
  super(context);
 }

 @Override
 public DayViewHolder inflateDayView(ViewGroup container) {
  View dayView = mLayoutInflater.inflate(R.layout.layout_dayview_custom, container, false);
  return new CustomDayViewHolder(dayView);
 }

 public static class CustomDayViewHolder extends DayViewHolder{

  protected TextView tvDay;
  private int mPrevMonthDayTextColor;
  private int mNextMonthDayTextColor;

  public CustomDayViewHolder(View dayView) {
   super(dayView);
   tvDay = (TextView) dayView.findViewById(com.tubb.calendarselector.library.R.id.tvDay);
   mPrevMonthDayTextColor = ContextCompat.getColor(mContext, com.tubb.calendarselector.library.R.color.c_999999);
   mNextMonthDayTextColor = ContextCompat.getColor(mContext, com.tubb.calendarselector.library.R.color.c_999999);
  }

  @Override
  public void setCurrentMonthDayText(FullDay day, boolean isSelected) {
   tvDay.setText(String.valueOf(day.getDay()));
   tvDay.setSelected(isSelected);
  }

  @Override
  public void setPrevMonthDayText(FullDay day) {
   tvDay.setTextColor(mPrevMonthDayTextColor);
   tvDay.setText(String.valueOf(day.getDay()));
  }

  @Override
  public void setNextMonthDayText(FullDay day) {
   tvDay.setTextColor(mNextMonthDayTextColor);
   tvDay.setText(String.valueOf(day.getDay()));
  }

 }
}

@Override
public void setCurrentMonthDayText(FullDay day, boolean isSelected) {
 boolean oldSelected = tvDay.isSelected();
 tvDay.setText(String.valueOf(day.getDay()));
 tvDay.setSelected(isSelected);
 // view selected animation
 if(!oldSelected && isSelected){
  AnimatorSet animatorSet = new AnimatorSet();
  animatorSet.setInterpolator(AnimationUtils.loadInterpolator(mContext, android.R.anim.bounce_interpolator));
  animatorSet.play(ObjectAnimator.ofFloat(tvDay, "scaleX", 0.5f, 1.0f))
    .with(ObjectAnimator.ofFloat(tvDay, "scaleY", 0.5f, 1.0f));
  animatorSet.setDuration(500)
    .start();
 }
}

@Override
public Decor inflateHorizontalDecor(ViewGroup container, int row, int totalRow) {
 return new Decor(mLayoutInflater.inflate(R.layout.view_horizontal_decor, container, false), true);
}

@Override
public Decor inflateVerticalDecor(ViewGroup container, int col, int totalCol) {
 return new Decor(mLayoutInflater.inflate(R.layout.view_vertical_decor, container, false), true);
}

<resources>
 <declare-styleable name="MonthView">
  <!-- only draw the month day, or not, default is false -->
  <attr name="sc_draw_monthday_only" format="boolean"/>
  <!-- start day of a week, we support (sunday、monday and saturday) -->
  <attr name="sc_firstday_week" format="enum">
   <enum name="sunday" value="1"/>
   <enum name="monday" value="2"/>
   <enum name="saturday" value="7"/>
  </attr>

  <!-- editor mode only -->
  <!-- test selected days (format:1,2,3,4) -->
  <attr name="sc_selected_days" format="string"/>
  <!-- test month (format:2016-3) -->
  <attr name="sc_month" format="string"/>
 </declare-styleable>
</resources>