[Android] ListDialog

ListDialog

설명

• 리스트뷰를 표시할 수 있는 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/basicListDialogButton"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="open BasicListDialog" />

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

</LinearLayout>

res/layout/custom_dialog.xml

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

    <TextView
        android:id="@+id/codeTextView"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="" />

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text=" / " />

    <TextView
        android:id="@+id/titleTextView"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="" />

</LinearLayout>

MainActivity

class MainActivity : AppCompatActivity() {
    private val data1 = arrayOf("항목1", "항목2", "항목3")
    private val data2 = listOf(
        mutableMapOf("code" to "AA01", "title" to "항목1"),
        mutableMapOf("code" to "AA02", "title" to "항목2"),
        mutableMapOf("code" to "AA03", "title" to "항목3")
    )

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

        val basicListDialogButton = findViewById<Button>(R.id.basicListDialogButton)
        val customListDialogButton = findViewById<Button>(R.id.customListDialogButton)

        basicListDialogButton.setOnClickListener {
            val listener = DialogInterface.OnClickListener { dialog, which ->
                Toast.makeText(this, data1[which], Toast.LENGTH_SHORT).show()
            }

            val builder = AlertDialog.Builder(this)
            builder.setTitle("리스트 다이얼로그")
            builder.setNegativeButton("취소", null)
            builder.setItems(data1, listener)
            builder.show()
        }

        customListDialogButton.setOnClickListener {
            val keys = arrayOf("code", "title")
            val ids = intArrayOf(R.id.codeTextView, R.id.titleTextView)
            val adapter = SimpleAdapter(this, data2, R.layout.custom_dialog, keys, ids)

            val listener = DialogInterface.OnClickListener { dialog, which ->
                Toast.makeText(this, data2[which]["code"], Toast.LENGTH_SHORT).show()
            }

            val builder = AlertDialog.Builder(this)
            builder.setTitle("커스텀 다이얼로그")
            builder.setAdapter(adapter, listener)
            builder.setNegativeButton("취소", null)
            builder.show()
        }
    }
}

참고

• https://youtu.be/pBHmRTQ7uYs