[Android] DatePicker

DatePicker

설명

• 날짜 선택 기능을 제공하는 다이얼로그

코드

res/layout/activity_main.xml

<?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">

    <Button
        android:id="@+id/datePickerButton"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="open DatePicker" />

    <Button
        android:id="@+id/timePickerButton"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="open TimePicker" />

</LinearLayout>

MainActivity

class MainActivity : AppCompatActivity() {
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)

        val datePickerButton = findViewById<Button>(R.id.datePickerButton)
        val timePickerButton = findViewById<Button>(R.id.timePickerButton)

        datePickerButton.setOnClickListener {
            val calendar = Calendar.getInstance()
            val year = calendar.get(Calendar.YEAR)
            val month = calendar.get(Calendar.MONTH)
            val day = calendar.get(Calendar.DAY_OF_MONTH)

            val listener = DatePickerDialog.OnDateSetListener { view, year, month, dayOfMonth ->
                Toast.makeText(this, "${year}년 ${month + 1}월 ${dayOfMonth}일", Toast.LENGTH_SHORT).show()
            }

            val picker = DatePickerDialog(this, listener, year, month, day)
            picker.show()
        }

        timePickerButton.setOnClickListener {
            val calendar = Calendar.getInstance()
            val hour = calendar.get(Calendar.HOUR)
            val minute = calendar.get(Calendar.MINUTE)

            val listener = TimePickerDialog.OnTimeSetListener { view, hourOfDay, minute ->
                Toast.makeText(this, "${hourOfDay}시 ${minute}분", Toast.LENGTH_SHORT).show()
            }

            val picker = TimePickerDialog(this, listener, hour, minute, false)
            picker.show()
        }
    }
}

참고

• https://youtu.be/uoEeUx4wZI8