Horizontal-Calendar

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基于 RecyclerView 的 Android 材料水平日历视图

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工具介绍

基于 RecyclerView 的 Android 材料水平日历视图

Horizontal Calendar

A material horizontal calendar view for Android based on RecyclerView.

Installation

The library is hosted on jcenter, add this to your build.gradle:

gradle

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

Prerequisites

The minimum API level supported by this library is API 14 (ICE_CREAM_SANDWICH).

Usage

Add HorizontalCalendarView to your layout file, for example:

xml


		............

In your Activity or Fragment, define your start and end dates to set the range of the calendar:

java

/* 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);

Then setup HorizontalCalendar in your Activity through its Builder:

java

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

Or if you are using a Fragment:

java

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

To listen to date change events you need to set a listener:

java

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

You can also listen to scroll and long press events by overriding each perspective method within HorizontalCalendarListener:

java

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;
            }
        });

Customization

You can customize it directly inside your layout:

xml

Or you can do it programmatically in your Activity or Fragment using HorizontalCalendar.Builder:

…

More Customizations

java

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()

Months Mode

HorizontalCalendar can display only Months instead of Dates by adding mode(HorizontalCalendar.Mode.MONTHS) to the builder, for example:

java

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)

Events

A list of Events can be provided for each Date which will be represented as circle indicators under the Date with:

java

builder.addEvents(new CalendarEventsPredicate() {

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

Reconfiguration

HorizontalCalendar configurations can be changed after initialization:

Change calendar dates range:

java

horizontalCalendar.setRange(Calendar startDate, Calendar endDate);

Change default(not selected) items style:

java

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

Change selected item style:

java

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

Change formats, text sizes and selector color:

java

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

Important

Make sure to call horizontalCalendar.refresh(); when you finish your changes

Features

Disable specific dates with HorizontalCalendarPredicate, a unique style for disabled dates can be specified as well with CalendarItemStyle:

…

Select a specific Date programmatically with the option whether to play the animation or not:

java

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

Check if a date is contained in the Calendar:

java

horizontalCalendar.contains(Calendar date);

Check if two dates are equal (year, month, day of month):

java

Utils.isSameDate(Calendar date1, Calendar date2);

Get number of days between two dates:

java

Utils.daysBetween(Calendar startInclusive, Calendar endExclusive);

Contributing

Contributions are welcome, feel free to submit a pull request.

License

Copyright 2017 Mulham Raee

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.