AutoActivity

 

 

package com.example.choi.ex02;

import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.widget.ArrayAdapter;
import android.widget.AutoCompleteTextView;
import android.widget.TextView;

public class AutoActivity extends AppCompatActivity {
  //1.변수선언

    TextView txtResult;
    AutoCompleteTextView auto1;
    String[] items={"java", "java1", "java2", "java3",
                "c", "c++", "visual c++", "android", "apple"
    };

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_auto);

        txtResult=(TextView)findViewById(R.id.txtResult);
        auto1=(AutoCompleteTextView)findViewById(R.id.auto1);
        //2. 객체생성
        //3. 아답터 생성
        //4. 이벤트 처리

        ArrayAdapter<String> adapter=new ArrayAdapter<String>(this,
                android.R.layout.simple_list_item_1, items);

        auto1.setAdapter(adapter);

       

    }






}

 

 

activity_auto.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/activity_auto"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context="com.example.choi.ex02.AutoActivity">


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

    <!--android:completionThreshold="1" 도움말 제공 글자수-->

    <AutoCompleteTextView
        android:text=""
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/auto1"
        android:layout_below="@+id/txtResult"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true"
        android:layout_marginTop="26dp"
        android:completionThreshold="1"
        />



</RelativeLayout>