안드로이드 ListDialog

Dialog에 ListView를 표시할 수 있는 다이얼로그
Dialog는 Button을 총 3개까지 배치할 수 있는데 그 이상이 필요할 경우 List Dialog를 사용하면 된다.

 

package com.example.listdialog

import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.widget.SimpleAdapter
import androidx.appcompat.app.AlertDialog
import kotlinx.android.synthetic.main.activity_main.*

class MainActivity : AppCompatActivity() {

    val data1 = arrayOf("항목1","항목2","항목3","항목4","항목5","항목6","항목7","항목8")
    val data2 = arrayOf("토고","프랑스","스위스","스페인","일본","독일","브라질","대한민국")
    val data3 = intArrayOf(
        R.drawable.imgflag1, R.drawable.imgflag2, R.drawable.imgflag3, R.drawable.imgflag4,
        R.drawable.imgflag5, R.drawable.imgflag6, R.drawable.imgflag7, R.drawable.imgflag8,
    )
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)

        button.setOnClickListener {
            val builder = AlertDialog.Builder(this)
            builder.setTitle("리스트 다이얼로그")
            builder.setNegativeButton("취소",null)

            builder.setItems(data1) { dialogInterface, i ->
                textView.text = "기본 리스트 다이얼로그 : ${data1[i]}"
            }

            builder.show()
        }
        button2.setOnClickListener {
            val list1 = ArrayList<HashMap<String,Any?>>()

            for (idx in data2.indices) {
                val map = HashMap<String, Any?>()
                map["data2"] = data2[idx]
                map["data3"] = data3[idx]

                list1.add(map)
            }

            val keys = arrayOf("data2","data3")
            val ids = intArrayOf(R.id.custom_text,R.id.custom_image)

            val adapter = SimpleAdapter(this,list1,R.layout.cusom_list,keys,ids)

            val builder = AlertDialog.Builder(this)
            builder.setTitle("커스텀 리스트 다이얼로그")

            builder.setAdapter(adapter){dialogInterface,i ->
                textView.text = "커스텀 리스트 다디얼로그 : ${data2[i]}"
            }

            builder.setNegativeButton("취소",null)
            builder.show()
        }
    }
}