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:
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
HorizontalCalendarViewto your layout file, for example:
<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>
- In your Activity or Fragment, define your start and end dates to set the range of the calendar:
/* 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
HorizontalCalendarin your Activity through its Builder:
HorizontalCalendar horizontalCalendar = new HorizontalCalendar.Builder(this, R.id.calendarView)
.range(startDate, endDate)
.datesNumberOnScreen(5)
.build();
- Or if you are using a Fragment:
HorizontalCalendar horizontalCalendar = new HorizontalCalendar.Builder(rootView, R.id.calendarView)
...................
- To listen to date change events you need to set a listener:
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:
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:
<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"/>
- Or you can do it programmatically in your Activity or Fragment using
HorizontalCalendar.Builder:
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();
More Customizations
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:
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:
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.
}
})
Reconfiguration
HorizontalCalendar configurations can be changed after initialization:
- Change calendar dates range:
horizontalCalendar.setRange(Calendar startDate, Calendar endDate);
- Change default(not selected) items style:
horizontalCalendar.getDefaultStyle()
.setColorTopText(int color)
.setColorMiddleText(int color)
.setColorBottomText(int color)
.setBackground(Drawable background);
- Change selected item style:
horizontalCalendar.getSelectedItemStyle()
.setColorTopText(int color)
..............
- Change formats, text sizes and selector color:
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 withCalendarItemStyle:
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.
}
})
- Select a specific Date programmatically with the option whether to play the animation or not:
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:
horizontalCalendar.contains(Calendar date);
- Check if two dates are equal (year, month, day of month):
Utils.isSameDate(Calendar date1, Calendar date2);
- Get number of days between two dates:
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.
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