어댑터 뷰 - 스피너

Activity_main.xml

 

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:tools="http://schemas.android.com/tools"

    android:id="@+id/LinearLayout1"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:orientation="vertical"

    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=".MainActivity" >

 

    <Spinner

        android:id="@+id/spinner"

        android:layout_width="match_parent"

        android:layout_height="wrap_content" />

 

    <TextView

        android:id="@+id/tv"

        android:layout_width="match_parent"

        android:layout_height="wrap_content" />

 

</LinearLayout>

 

 

 

Arrays.xml

 

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

<resources>

    <string-array name="fruits" >

        <item>사과</item>

        <item>딸기</item>

        <item>수박</item>

        <item>바나나</item>

        <item>감</item>

        <item>복숭아</item>

    </string-array>

</resources>

 

 

MainActivity.java

 

package com.example.spinnerex01;

 

import android.os.Bundle;

 

import android.app.Activity;

import android.view.Menu;

import android.view.View;

import android.widget.AdapterView;

import android.widget.ArrayAdapter;

import android.widget.Spinner;

import android.widget.Toast;

 

public class MainActivity extends Activity {

 

     boolean spinnerFlag = false;

    

    

     @Override

     protected void onCreate(Bundle savedInstanceState) {

           super.onCreate(savedInstanceState);

           setContentView(R.layout.activity_main);

 

           ArrayAdapter<CharSequence> adapter = ArrayAdapter.createFromResource(

                     this, R.array.fruits, android.R.layout.simple_spinner_item);

     adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);

                    

           Spinner spinner = (Spinner) findViewById(R.id.spinner);

           spinner.setAdapter(adapter);

          

           spinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {

 

                @Override

                public void onItemSelected(AdapterView<?> arg0, View arg1,

                           int arg2, long arg3) {

                     // TODO Auto-generated method stub

                     if(spinnerFlag == false){

                           spinnerFlag = true;

                           return;

                     }

                     Toast.makeText(MainActivity.this, arg2 + "", Toast.LENGTH_SHORT).show();

                }

 

                @Override

                public void onNothingSelected(AdapterView<?> arg0) {

                     // TODO Auto-generated method stub

                    

                }

           });

     }

 

     @Override

     public boolean onCreateOptionsMenu(Menu menu) {

           // Inflate the menu; this adds items to the action bar if it is present.

           getMenuInflater().inflate(R.menu.main, menu);

           return true;

     }

 

}