2018_05_18 모바일 수업 날짜/시간 만들기

<xml file>

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

    <Button
        android:id="@+id/btn11"
        android:text="날짜 선택"
        android:onClick="click"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" />
    <Button
        android:id="@+id/btn22"
        android:text="시간 선택"
        android:onClick="click"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" />
    <TextView
        android:id="@+id/text11"
        android:text="날짜:???"
        android:textSize="16dp"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" />



</LinearLayout>

<java file>

package e.ryan.day12_ryan;

import android.app.DatePickerDialog;
import android.app.TimePickerDialog;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.Button;
import android.widget.DatePicker;
import android.widget.TextView;
import android.widget.TimePicker;

import java.util.Calendar;

/**
 * Created by ryan on 2018. 5. 18..
 */

public class MainActivity2 extends AppCompatActivity{

    Button btn11,btn22;
    TextView textview;
    String strDate="???";
    String strTime="???";

    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity2);
        setTitle("날짜와 시간 대화 상자");

        btn11 = (Button) findViewById(R.id.btn11);
        btn22 = (Button) findViewById(R.id.btn22);
//        text11 = (TextView) findViewById(R.id.text11);
//        text22 = (TextView) findViewById(R.id.text22);


        updateResult();


    }


    public void click(View view){
        Calendar c = Calendar.getInstance();
        switch (view.getId()){

            case R.id.btn11:
                c=Calendar.getInstance();
                int year = c.get(Calendar.YEAR);
                int month = c.get(Calendar.MONTH);
                int dayofMonth = c.get(Calendar.DAY_OF_MONTH);
                new DatePickerDialog(this,mdatelistner,year,month,dayofMonth).show();
                break;

            case R.id.btn22:
                int hour = c.get(Calendar.HOUR_OF_DAY);
                int minute = c.get(Calendar.MINUTE);
                new TimePickerDialog(this, mtimelistenr, hour,minute,true).show();
                break;
        }
    }

    DatePickerDialog.OnDateSetListener mdatelistner = new DatePickerDialog.OnDateSetListener() {
        @Override
        public void onDateSet(DatePicker view, int year, int month, int dayOfMonth) {
            strDate = String.format("%d년 %d월 %d일",year,month+1,dayOfMonth);
            updateResult();
        }
    };

    TimePickerDialog.OnTimeSetListener mtimelistenr = new TimePickerDialog.OnTimeSetListener() {
        @Override
        public void onTimeSet(TimePicker view, int hourOfDay, int minute) {
            strTime = String.format("%d시 %d분",hourOfDay,minute);
            updateResult();
        }
    };

    public void updateResult(){
        textview = (TextView) findViewById(R.id.text11);
        textview.setText("날짜"+strDate +"\n시간"+strTime);
    }

}