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CustomizableCalendar is a library that allows you to create your calendar, customizing UI and behaviour

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CustomizableCalendar

This library allows you to create a completely customizable calendar.
You can use CustomizableCalendar to create your calendar, customizing UI and behaviour.

Features

  • Custom header (should be implemented by the user);
  • Custom sub view (month name by default);
  • Custom weekly days view;
  • Custom date view;
  • Possibility to implement selection on day click;
  • Possibility to implement weekly day calculation;
  • Receive updates of Calendar (with AUCalendar);
  • Every change to AUCalendar is notified and automatically refreshes UI;

Limitations

  • Only portrait orientation is supported

Gradle

allprojects {
  repositories {
    ...
    maven { url "https://jitpack.io" }
  }
}
dependencies {
  compile 'com.github.MOLO17:CustomizableCalendar:v0.1.4'
}

Dependencies

Usage

Add to your layout

XML

Add CustomizableCalendar to your layout

<com.molo17.customizablecalendar.library.components.CustomizableCalendar
        android:id="@+id/customizable_calendar"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" />

Java

First of all you should create a class that implements ViewInteractor interface (you can find the explanation in the How to customize > Java section).

After that go in the Activity/Fragment where you added the CustomizableCalendar View; here you should specify the first month and the last month, to do this, create a Calendar (located in com.molo17.customizablecalendar.library.model) object.

An example of CustomizableCalendar init is the following:

...

@BindView(R.id.customizable_calendar)
CustomizableCalendar customizableCalendar;

private CompositeDisposable subscriptions;

...

@Override
protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.activity_main);
  ButterKnife.bind(this);

  DateTime today = new DateTime();

  // setting up first and last month that must be showed in the calendar
  DateTime firstMonth = today.withDayOfMonth(1);
  DateTime lastMonth = today.plusMonths(3).withDayOfMonth(1);

  // create the Calendar obj and setting it up with some configs like:
  // - first selected day
  // - last selected day
  // - multiple selection

  final Calendar calendar = new Calendar(firstMonth, lastMonth);
  calendar.setFirstSelectedDay(today.plusDays(4));

  // if you don't want the multiple selection mode just skip the 2 lines below
  calendar.setLastSelectedDay(today.plusDays(6));
  calendar.setMultipleSelection(true);

  // create a ViewInteractor obj needed to interact with the CustomizableCalendar
  final YourViewInteractorClass calendarViewInteractor = new YourViewInteractorClass();

  // create an AUCalendar object (a Calendar wrapper that operates as a singleton and provides all the updates)
  AUCalendar auCalendar = AUCalendar.getInstance(calendar);

  // this is needed to receives all Calendar updates (using RxJava 2)
  subscriptions.add(
    auCalendar.observeChangesOnCalendar().subscribe(new Consumer<AUCalendar.ChangeSet>() {
      @Override
      public void accept(AUCalendar.ChangeSet changeSet) throws Exception {
          // with ChangeSet you can be aware of which Calendar fields are changed
          // you can use changeSet.isFieldChanged(...) passing the name of the field;
          // name of the fields can be retrieved using CalendarFields interface;
          // AUCalendar is already updated because it's a singleton,
          // so for retrieving the updated data you can just use AUCalendar getters
      }
    })
  );

  // injecting the ViewInteractor to the CustomizableCalendar View
  customizableCalendar.injectViewInteractor(calendarViewInteractor)
}

@Override
protected void onDestroy() {
    super.onDestroy();
    subscriptions.clear();
}

...

How to customize

XML

If you want to customize the components you should create a separeted layout and add the reference to the customizable_calendar View with the tag app:layout="@layout/your_layout"

An example of a custom layout is the following:

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:layout_marginEnd="30dp"
    android:layout_marginStart="30dp"
    android:orientation="vertical">

    <com.molo17.customizablecalendar.library.components.HeaderView
        android:id="@android:id/primary"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" />

    <com.molo17.customizablecalendar.library.components.SubView
        android:id="@android:id/text2"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="30dp" />

    <com.molo17.customizablecalendar.library.components.WeekDaysView
        android:id="@android:id/text1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_gravity="center_horizontal"
        android:layout_marginTop="30dp" />

    <com.molo17.customizablecalendar.library.components.CalendarRecyclerView
        android:id="@android:id/content"
        android:layout_width="match_parent"
        android:layout_height="@dimen/customizable_calendar_height"
        android:layout_marginTop="15dp" />

</LinearLayout>

NOTE that ids must not be different from the ones above, so:

  • @android:id/primary for HeaderView;
  • @android:id/text1 for WeekDaysView;
  • @android:id/text2 for SubView;
  • @android:id/content for CalendarRecyclerView;

HeaderView

First (red) rectangle of the screenshot above.
It's a RelativeLayout, you should create your own layout.

WeekDaysView

Third (light blue) rectangle of the screenshot above.
It's a RecyclerView, the ViewHolder item is already implemented.
You can create your own ViewHolder layout using a RelativeLayout with a TextView that has @android:id/summary as id.

SubView

Second (green) rectangle of the screenshot above.
It's a RelativeLayout, implemented by default with the name of the month centered.
If you want to create your own layout make sure to have a TextView with id @android:id/summary.

CalendarRecyclerView

Fourth (blue) rectangle of the screenshot above.
It's a RelativeLayout, implemented by default with a LinearLayout (with a GridLayout inside) for the month and a RelativeLayout for the day.
If you want to create your own month layout you can specify app:month_layout="@layout/your_layout" for the month and app:cell_layout="@layout/your_layout" for the day.
Make sure to use @android:id/widget_frame as id for the GridView and @android:id/background, @android:id/startSelectingText, @android:id/stopSelectingText, @android:id/title respectively for single selection background, first day selection background (in multiple selection mode), last day selection background (in multiple selection mode) and the TextView where the day is displayed.

Java

All code customization can be applied using the ViewInteractor.

Here are listed all of the methods with a small description:

  • void onCustomizableCalendarBindView(View view)
    Here you can customize the CustomizableCalendar View.
    This method is called after customizableCalendar.injectViewInteractor(...).

  • void onHeaderBindView(ViewGroup view)
    Here you can customize the HeaderView View, inflating your layout etc...
    This method is called after headerView.injectViewInteractor(...).

  • void onWeekDaysBindView(View view)
    Here you can customize the WeekDays View.
    This method is called after weekDays.injectViewInteractor(...).

  • void onWeekDayBindView(WeekDaysViewAdapter.WeekDayVH holder, String weekDay)
    Here you can customize the WeekDayVH ViewHolder.
    This method is called after onBindViewHolder of WeekDaysViewAdapter.

  • void onSubViewBindView(View view, String month)
    Here you can customize the SubView View.
    This method is called after onMonthChanged.

  • void onCalendarBindView(View view)
    Here you can customize the CalendarRecyclerView View.
    This method is called after calendarRecyclerView.injectViewInteractor(...).

  • void onMonthBindView(View view)
    Here you can customize the MonthGridView View.
    This method is called after onCreateViewHolder of CalendarViewAdapter.

  • View onMonthCellBindView(View view, CalendarItem currentItem)
    Here you can customize the GridViewCell View.
    This method is called in the getView of MonthAdapter, you must return the customized view.

  • boolean hasImplementedMonthCellBinding()
    Here you should return true if you have implemented the above method (onMonthCellBindView).
    This method is called in the getView method of MonthAdapter.

  • List<CalendarItem> calculateDays(int year, int month, int firstDayOfMonth, int lastDayOfMonth)
    Here you can calculate the days of the month (if you want for example to include Saturday and Sunday)
    This method is called in the getView of MonthAdapter.

  • boolean hasImplementedDayCalculation()
    Here you should return true if you have implemented the above method (calculateDays).
    This method is called in the refreshDays method of MonthAdapter.

  • int setSelected(boolean multipleSelection, DateTime dateSelected)
    Here you can calculate the selection of the day.
    This method is called in the setSelected method of MonthAdapter.
    You must return 0, 1 or -1 respectively for first selection, last selection and no selection.

  • boolean hasImplementedSelection()
    Here you should return true if you have implemented the above method (setSelected).
    This method is called in the setSelected method of MonthAdapter.

  • String formatWeekDayName(String nameOfDay);
    Here you can format the name of the week day.
    This method is called after injectViewInteractor method of WeekDaysView.
    You should return the formatted name of the week day.

  • boolean hasImplementedWeekDayNameFormat()
    Here you should return true if you have implemented the above method (formatWeekDayName).
    This method is called after injectViewInteractor method of WeekDaysView.

  • View getMonthGridView(View rootView)
    Here you can create your customized MonthGridView.
    You should return a MonthGridView.
    This method is called in the onCreateViewHolder method of CalendarViewAdapter.

Getting Help

To report a specific problem or feature request, open a new issue here on Github. For questions, suggestions, or anything else, email us at sales@molo17.com.