A material horizontal calendar view for Android based on RecyclerView

repositories {
      jcenter()
    }
    
dependencies {
      compile 'devs.mulham.horizontalcalendar:horizontalcalendar:1.3.4'
    }

<android.support.design.widget.AppBarLayout>
		............ 
		
        <devs.mulham.horizontalcalendar.HorizontalCalendarView
            android:id="@+id/calendarView"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:background="@color/colorPrimary"
            app:textColorSelected="#FFFF"/>
            
</android.support.design.widget.AppBarLayout>

/* starts before 1 month from now */
Calendar startDate = Calendar.getInstance();
startDate.add(Calendar.MONTH, -1);

/* ends after 1 month from now */
Calendar endDate = Calendar.getInstance();
endDate.add(Calendar.MONTH, 1);

HorizontalCalendar horizontalCalendar = new HorizontalCalendar.Builder(this, R.id.calendarView)
                .range(startDate, endDate)
                .datesNumberOnScreen(5)
                .build();

HorizontalCalendar horizontalCalendar = new HorizontalCalendar.Builder(rootView, R.id.calendarView)
	...................

horizontalCalendar.setCalendarListener(new HorizontalCalendarListener() {
            @Override
            public void onDateSelected(Calendar date, int position) {
                //do something
            }
        });

horizontalCalendar.setCalendarListener(new HorizontalCalendarListener() {
            @Override
            public void onDateSelected(Calendar date, int position) {

            }

            @Override
            public void onCalendarScroll(HorizontalCalendarView calendarView, 
            int dx, int dy) {
                
            }

            @Override
            public boolean onDateLongClicked(Calendar date, int position) {
                return true;
            }
        });

<devs.mulham.horizontalcalendar.HorizontalCalendarView
            android:id="@+id/calendarView"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            app:textColorNormal="#bababa"
            app:textColorSelected="#FFFF"
            app:selectorColor="#c62828"  //default to colorAccent
            app:selectedDateBackground="@drawable/myDrawable"/>

HorizontalCalendar horizontalCalendar = new HorizontalCalendar.Builder(this, R.id.calendarView)
                .range(Calendar startDate, Calendar endDate)
                .datesNumberOnScreen(int number)   // Number of Dates cells shown on screen (default to 5).
                .configure()    // starts configuration.
                    .formatTopText(String dateFormat)       // default to "MMM".
                    .formatMiddleText(String dateFormat)    // default to "dd".
                    .formatBottomText(String dateFormat)    // default to "EEE".
                    .showTopText(boolean show)              // show or hide TopText (default to true).
                    .showBottomText(boolean show)           // show or hide BottomText (default to true).
                    .textColor(int normalColor, int selectedColor)    // default to (Color.LTGRAY, Color.WHITE).
                    .selectedDateBackground(Drawable background)      // set selected date cell background.
                    .selectorColor(int color)               // set selection indicator bar's color (default to colorAccent).
                .end()          // ends configuration.
                .defaultSelectedDate(Calendar date)    // Date to be selected at start (default to current day `Calendar.getInstance()`).
                .build();

builder.configure()
           .textSize(float topTextSize, float middleTextSize, float bottomTextSize)
           .sizeTopText(float size)
           .sizeMiddleText(float size)
           .sizeBottomText(float size)
           .colorTextTop(int normalColor, int selectedColor)
           .colorTextMiddle(int normalColor, int selectedColor)
           .colorTextBottom(int normalColor, int selectedColor)
       .end()

horizontalCalendar = new HorizontalCalendar.Builder(this, R.id.calendarView)
                .range(Calendar startDate, Calendar endDate)
                .datesNumberOnScreen(int number)
                .mode(HorizontalCalendar.Mode.MONTHS)
                .configure()
                    .formatMiddleText("MMM")
                    .formatBottomText("yyyy")
                    .showTopText(false)
                    .showBottomText(true)
                    .textColor(Color.LTGRAY, Color.WHITE)
                .end()
                .defaultSelectedDate(defaultSelectedDate)

builder.addEvents(new CalendarEventsPredicate() {

                    @Override
                    public List<CalendarEvent> events(Calendar date) {
                        // test the date and return a list of CalendarEvent to assosiate with this Date.
                    }
                })

horizontalCalendar.setRange(Calendar startDate, Calendar endDate);

horizontalCalendar.getDefaultStyle()
        .setColorTopText(int color)
        .setColorMiddleText(int color)
        .setColorBottomText(int color)
        .setBackground(Drawable background);      

horizontalCalendar.getSelectedItemStyle()
        .setColorTopText(int color)
        ..............

horizontalCalendar.getConfig()
        .setSelectorColor(int color)
        .setFormatTopText(String format)
        .setSizeTopText(float size)
        ..............

builder.disableDates(new HorizontalCalendarPredicate() {
                           @Override
                           public boolean test(Calendar date) {
                               return false;    // return true if this date should be disabled, false otherwise.
                           }
       
                           @Override
                           public CalendarItemStyle style() {
                               return null;     // create and return a new Style for disabled dates, or null if no styling needed.
                           }
                       })

horizontalCalendar.selectDate(Calendar date, boolean immediate); // set immediate to false to ignore animation.
	// or simply
horizontalCalendar.goToday(boolean immediate);

horizontalCalendar.contains(Calendar date);

Utils.isSameDate(Calendar date1, Calendar date2);

Utils.daysBetween(Calendar startInclusive, Calendar endExclusive);