[AndroidStudio] MaterialCalendar Range 두 기간의 날짜 사이 값 받기

Nameless 2022. 4. 19. 00:25

MaterialCalendar Range로 설정

//activitiy_main.xml

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<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:context=".MainActivity">
    
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="vertical"
        android:layout_margin="20dp">
 
        <Button
            android:id="@+id/eventDatePickerBtn"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="center"
            android:text="날짜 선택"
            android:onClick="datePickerAction"
            android:textAlignment="center"
            android:textColor="@color/black"
            android:background="@null"
            android:textSize="20sp" />
        <TextView
            android:id="@+id/startDateTV"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="시 작"
            android:textAlignment="center"
            android:textColor="@color/black"
            android:textSize="20sp"/>
 
        <TextView
            android:id="@+id/endDateTV"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="종 료"
            android:textAlignment="center"
            android:textColor="@color/black"
            android:textSize="20sp"/>
    </LinearLayout>
 
    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center"
        android:layout_marginTop="20dp"
        android:background="@null"
        android:onClick="saveEventAction"
        android:text="저장"
        android:textSize="20dp"
        android:textStyle="bold" />
</LinearLayout>
Colored by Color Scripter

cs

 

각가의 TextView에 startdate, enddate 표시됨

//MainActivity.java

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import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
 
import android.widget.TextView;
import androidx.appcompat.app.AppCompatActivity;
import androidx.core.util.Pair;
 
import com.google.android.material.datepicker.MaterialDatePicker;
import com.google.android.material.datepicker.MaterialPickerOnPositiveButtonClickListener;
 
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
 
 
 
public class MainActivity extends AppCompatActivity
{
  
    private TextView startDateTV,endDateTV;
    private Button deleteEventBtn,eventDatePickerBtn;
 
    String startdateString, enddateString;
 
    @Override
    protected void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        initWidgets();
 
    }
 
    private void initWidgets()
    {
        
        eventDatePickerBtn = findViewById(R.id.eventDatePickerBtn);
 
        startDateTV = findViewById(R.id.startDateTV);
        endDateTV= findViewById(R.id.endDateTV);
    }
 
 
    public void saveEventAction(View View) {
        SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy년 MM월 dd일");
 
        Date d_from = null;
        try {
            d_from = simpleDateFormat.parse(startdateString);
        } catch (ParseException e) {
            e.printStackTrace();
        }
        Date d_to = null;
        try {
            d_to = simpleDateFormat.parse(enddateString);
        } catch (ParseException e) {
            e.printStackTrace();
        }
 
        long t1 = d_from.getTime();
        long t2 = d_to.getTime();
 
        if(t1<t2){
            for(long i=t1; i<=t2; i+=86400000){
                Log.i("Date", simpleDateFormat.format(i));
            }
        }
    }
 
    public void datePickerAction(View view)
    {
        MaterialDatePicker.Builder<Pair<Long, Long>> builder = MaterialDatePicker.Builder.dateRangePicker();
        builder.setTitleText("날짜를 선택해주세요");
        
        final MaterialDatePicker materialDatePicker = builder.build();
        materialDatePicker.show(getSupportFragmentManager(), "Date_PICKER");
 
        materialDatePicker.addOnPositiveButtonClickListener(
                new MaterialPickerOnPositiveButtonClickListener<Pair<Long, Long>>()
                {
                    @Override
                    public void onPositiveButtonClick(Pair<Long, Long> selection)
                    {
                        SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy년 MM월 dd일");
                        Date startdate = new Date();
                        Date enddate = new Date();
 
                        startdate.setTime(selection.first);
                        enddate.setTime(selection.second);
 
                        startdateString = simpleDateFormat.format(startdate);
                        enddateString = simpleDateFormat.format(enddate);
 
                        startDateTV.setText(startdateString);
                        endDateTV.setText(enddateString);
 
                    }
                });
    }
 
}
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cs

저장 버튼 누르면 19일부터 22일까지 기록된다.