[Android Studio/Kotlin] Search View, Spinner

[안드로이드 스튜디오/코틀린] 서치 뷰, 스피너

SearchView

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>

<androidx.constraintlayout.widget.ConstraintLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:context=".MainActivity">

    <SearchView
        android:id="@+id/searchView"
        android:layout_width="200dp"
        android:layout_height="wrap_content"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

</androidx.constraintlayout.widget.ConstraintLayout>

MainActivity.kt

package com.shinyelee.android_study2

import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.view.View
import android.widget.AdapterView
import android.widget.ArrayAdapter
import android.widget.SearchView
import com.shinyelee.android_study2.databinding.ActivityMainBinding

class MainActivity : AppCompatActivity() {

    private var vBinding : ActivityMainBinding? = null
    private val binding get() = vBinding!!

    private var MyList = arrayOf("yeji", "ryujin", "chaeryeong", "yuna", "lia")

    override fun onCreate(savedInstanceState: Bundle?) {

        super.onCreate(savedInstanceState)
        vBinding = ActivityMainBinding.inflate(layoutInflater)
        setContentView(binding.root)

        binding.searchView.setOnQueryTextListener(object:SearchView.OnQueryTextListener {

            override fun onQueryTextSubmit(p0: String?): Boolean {
                println(p0 + " 입력완료")
                return true
            }

            override fun onQueryTextChange(p0: String?): Boolean {
                if(p0 != "") {
                    val curList = MyList.filter { x -> x.toLowerCase().contains(p0?.toLowerCase().toString()) }
                    for (i in curList) println(i)
                    println("----------")
                }
                return true
            }

        })

    }

    override fun onDestroy() {
        vBinding = null
        super.onDestroy()
    }

}

돋보기 모양 아이콘을 클릭하면 활성화 됨

y를 입력하면

y가 들어가는 yeji, ryujin, chaeryeong, yuna 출력

u까지 마저 입력하면

yu를 포함하는 ryujin, yuna 출력

---

Spinner

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>

<androidx.constraintlayout.widget.ConstraintLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:context=".MainActivity">

    <Spinner
        android:id="@+id/spinner"
        android:layout_width="200dp"
        android:layout_height="wrap_content"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

</androidx.constraintlayout.widget.ConstraintLayout>

MainActivity.kt

package com.shinyelee.android_study2

import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.view.View
import android.widget.AdapterView
import android.widget.ArrayAdapter
import com.shinyelee.android_study2.databinding.ActivityMainBinding

class MainActivity : AppCompatActivity() {

    private var vBinding : ActivityMainBinding? = null
    private val binding get() = vBinding!!

    var items = arrayOf("나연", "정연", "모모", "사나", "지효", "미나", "다현", "채영", "쯔위")

    override fun onCreate(savedInstanceState: Bundle?) {

        super.onCreate(savedInstanceState)
        vBinding = ActivityMainBinding.inflate(layoutInflater)
        setContentView(binding.root)

        val myAdapter = ArrayAdapter(this, android.R.layout.simple_spinner_dropdown_item, items)
        binding.spinner.adapter = myAdapter
        binding.spinner.onItemSelectedListener = object: AdapterView.OnItemSelectedListener {

            override fun onItemSelected(p0: AdapterView<*>?, p1: View?, p2: Int, p3: Long) {
                println(p2)
                items[p2]
            }

            override fun onNothingSelected(p0: AdapterView<*>?) {
                println("선택 안 함")
            }

        }

    }

    override fun onDestroy() {
        vBinding = null
        super.onDestroy()
    }

}

클릭하면

이렇게 선택 목록이 뜸

---

참고