convert kotlin to java code below from previous classpackage comalamkanakweekviewsampleimport androidosBundleimport androidxcorecontentresResourcesCompatimport comalamkanakweekviewWeekViewEventimport

package com.alamkanak.weekview.sample;

import android.os.Bundle;
import androidx.core.content.res.ResourcesCompat;
import com.alamkanak.weekview.WeekViewEvent;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.List;

/**
 * A basic example of how to use week view library.
 */
public class BasicActivity extends BaseActivity {
    private long uniqueId = 0;

    public String getUniqueId() {
        return String.valueOf(uniqueId++);
    }

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        weekView.setTypeface(ResourcesCompat.getFont(this, R.font.lato));
    }

    @Override
    public List<? extends WeekViewEvent> onMonthChange(int newYear, int newMonth) {
        // Populate the week view with some events.
        List<WeekViewEvent> events = new ArrayList<>();

        Calendar startTime = Calendar.getInstance();
        startTime.set(Calendar.HOUR_OF_DAY, 3);
        startTime.set(Calendar.MINUTE, 0);
        startTime.set(Calendar.MONTH, newMonth - 1);
        startTime.set(Calendar.YEAR, newYear);
        Calendar endTime = (Calendar) startTime.clone();
        endTime.add(Calendar.HOUR, 1);
        endTime.set(Calendar.MONTH, newMonth - 1);
        WeekViewEvent event = new WeekViewEvent("First", getEventTitle(startTime, endTime), startTime, endTime);
        event.setColor(ResourcesCompat.getColor(getResources(), R.color.event_color_01, null));
        events.add(event);

        startTime = Calendar.getInstance();
        startTime.set(Calendar.MINUTE, 0);
        startTime.set(Calendar.MONTH, newMonth - 1);
        startTime.set(Calendar.YEAR, newYear);
        endTime = (Calendar) startTime.clone();
        endTime.set(Calendar.HOUR_OF_DAY, startTime.get(Calendar.HOUR_OF_DAY) + 1);
        endTime.set(Calendar.MINUTE, 0);
        endTime.set(Calendar.MONTH, newMonth - 1);
        event = new WeekViewEvent("cur", "cur", startTime, endTime);
        event.setColor(0xffff0000);
        events.add(event);

        startTime = Calendar.getInstance();
        startTime.set(Calendar.HOUR_OF_DAY, 3);
        startTime.set(Calendar.MINUTE, 30);
        startTime.set(Calendar.MONTH, newMonth - 1);
        startTime.set(Calendar.YEAR, newYear);
        endTime = (Calendar) startTime.clone();
        endTime.set(Calendar.HOUR_OF_DAY, 4);
        endTime.set(Calendar.MINUTE, 30);
        endTime.set(Calendar.MONTH, newMonth - 1);
        event = new WeekViewEvent("Second", getEventTitle(startTime, endTime), startTime, endTime);
        event.setColor(ResourcesCompat.getColor(getResources(), R.color.event_color_05, null));
        events.add(event);

        startTime = Calendar.getInstance();
        startTime.set(Calendar.HOUR_OF_DAY, 4);
        startTime.set(Calendar.MINUTE, 20);
        startTime.set(Calendar.MONTH, newMonth - 1);
        startTime.set(Calendar.YEAR, newYear);
        endTime = (Calendar) startTime.clone();
        endTime.set(Calendar.HOUR_OF_DAY, 5);
        endTime.set(Calendar.MINUTE, 0);
        event = new WeekViewEvent(getUniqueId(), getEventTitle(startTime, endTime), startTime, endTime);
        event.setColor(ResourcesCompat.getColor(getResources(), R.color.event_color_03, null));
        events.add(event);

        startTime = Calendar.getInstance();
        startTime.set(Calendar.HOUR_OF_DAY, 5);
        startTime.set(Calendar.MINUTE, 30);
        startTime.set(Calendar.MONTH, newMonth - 1);
        startTime.set(Calendar.YEAR, newYear);
        endTime = (Calendar) startTime.clone();
        endTime.add(Calendar.HOUR_OF_DAY, 2);
        endTime.set(Calendar.MONTH, newMonth - 1);
        event = new WeekViewEvent(getUniqueId(), getEventTitle(startTime, endTime), startTime, endTime);
        event.setColor(ResourcesCompat.getColor(getResources(), R.color.event_color_02, null));
        events.add(event);

        startTime = Calendar.getInstance();
        startTime.set(Calendar.HOUR_OF_DAY, 5);
        startTime.set(Calendar.MINUTE, 0);
        startTime.set(Calendar.MONTH, newMonth - 1);
        startTime.set(Calendar.YEAR, newYear);
        startTime.add(Calendar.DATE, 1);
        endTime = (Calendar) startTime.clone();
        endTime.add(Calendar.HOUR_OF_DAY, 3);
        event = new WeekViewEvent(getUniqueId(), getEventTitle(startTime, endTime), startTime, endTime);
        event.setColor(ResourcesCompat.getColor(getResources(), R.color.event_color_03, null));
        events.add(event);

        startTime = Calendar.getInstance();
        startTime.set(Calendar.DAY_OF_MONTH, 15);
        startTime.set(Calendar.HOUR_OF_DAY, 3);
        startTime.set(Calendar.MINUTE, 0);
        startTime.set(Calendar.MONTH, newMonth - 1);
        startTime.set(Calendar.YEAR, newYear);
        endTime = (Calendar) startTime.clone();
        endTime.add(Calendar.HOUR_OF_DAY, 3);
        event = new WeekViewEvent(getUniqueId(), getEventTitle(startTime, endTime), startTime, endTime);
        event.setColor(ResourcesCompat.getColor(getResources(), R.color.event_color_04, null));
        events.add(event);

        startTime = Calendar.getInstance();
        startTime.set(Calendar.DAY_OF_MONTH, 1);
        startTime.set(Calendar.HOUR_OF_DAY, 3);
        startTime.set(Calendar.MINUTE, 0);
        startTime.set(Calendar.MONTH, newMonth - 1);
        startTime.set(Calendar.YEAR, newYear);
        endTime = (Calendar) startTime.clone();
        endTime.add(Calendar.HOUR_OF_DAY, 3);
        event = new WeekViewEvent(getUniqueId(), getEventTitle(startTime, endTime), startTime, endTime);
        event.setColor(ResourcesCompat.getColor(getResources(), R.color.event_color_01, null));
        events.add(event);

        startTime = Calendar.getInstance();
        startTime.set(Calendar.DAY_OF_MONTH, startTime.getActualMaximum(Calendar.DAY_OF_MONTH));
        startTime.set(Calendar.HOUR_OF_DAY, 15);
        startTime.set(Calendar.MINUTE, 0);
        startTime.set(Calendar.MONTH, newMonth - 1);
        startTime.set(Calendar.YEAR, newYear);
        endTime = (Calendar) startTime.clone();
        endTime.add(Calendar.HOUR_OF_DAY, 3);
        event = new WeekViewEvent(getUniqueId(), getEventTitle(startTime, endTime), startTime, endTime);
        event.setColor(ResourcesCompat.getColor(getResources(), R.color.event_color_02, null));
        events.add(event);

        //AllDay event
        //single day
        startTime = Calendar.getInstance();
        startTime.set(Calendar.HOUR_OF_DAY, 0);
        startTime.set(Calendar.MINUTE, 0);
        startTime.set(Calendar.MONTH, newMonth - 1);
        startTime.set(Calendar.YEAR, newYear);
        event = new WeekViewEvent(getUniqueId(), getEventTitle(startTime, true), null, startTime);
        event.setColor(ResourcesCompat.getColor(getResources(), R.color.event_color_04, null));
        events.add(event);

        startTime = Calendar.getInstance();
        startTime.set(Calendar.DAY_OF_MONTH, 8);
        startTime.set(Calendar.HOUR_OF_DAY, 2);
        startTime.set(Calendar.MINUTE, 0);
        startTime.set(Calendar.MONTH, newMonth - 1);
        startTime.set(Calendar.YEAR, newYear);
        endTime = (Calendar) startTime.clone();
        endTime.set(Calendar.DAY_OF_MONTH, 10);
        endTime.set(Calendar.HOUR_OF_DAY, 23);
        event = new WeekViewEvent(getUniqueId(), getEventTitle(startTime, endTime, true), null, startTime, endTime, true);
        event.setColor(ResourcesCompat.getColor(getResources(), R.color.event_color_03, null));
        events.add(event);

        // All day event until 00:00 next day
        startTime = Calendar.getInstance();
        startTime.set(Calendar.DAY_OF_MONTH, 10);
        startTime.set(Calendar.HOUR_OF_DAY, 0);
        startTime.set(Calendar.MINUTE, 0);
        startTime.set(Calendar.SECOND, 0);
        startTime.set(Calendar.MILLISECOND, 0);
        startTime.set(Calendar.MONTH, newMonth - 1);
        startTime.set(Calendar.YEAR, newYear);
        endTime = (Calendar) startTime.clone();
        endTime.set(Calendar.DAY_OF_MONTH, 11);
        event = new WeekViewEvent(getUniqueId(), getEventTitle(startTime, endTime, true), null, startTime, endTime, true);
        event.setColor(ResourcesCompat.getColor(getResources(), R.color.event_color_01, null));

        startTime = Calendar.getInstance();
        startTime.set(Calendar.HOUR_OF_DAY, 18);
        startTime.set(Calendar.MINUTE, 30);
        startTime.set(Calendar.MONTH, newMonth - 1);
        startTime.set(Calendar.YEAR, newYear);
        endTime = (Calendar) startTime.clone();
        endTime.set(Calendar.HOUR_OF_DAY, 19);
        endTime.set(Calendar.MINUTE, 30);
        endTime.set(Calendar.MONTH, newMonth - 1);
        event = new WeekViewEvent(getUniqueId(), getEventTitle(startTime, endTime, true), null, startTime, endTime, true);
        event.setColor(ResourcesCompat.getColor(getResources(), R.color.event_color_02, null));
        events.add(event);

        return events;
    }
}