android -> Event Case

---

---

package com.example.s03;

import android.os.Bundle;

import android.app.Activity;

import android.support.v4.widget.SimpleCursorAdapter.ViewBinder;

import android.view.Menu;

import android.view.View;

import android.widget.Button;

import android.widget.EditText;

import android.widget.Toast;

public class MainActivity extends Activity implements View.OnClickListener{

Button btn_001, btn_002, btn_003;

EditText edit_msg;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        btn_001 = (Button)findViewById(R.id.btn_001);

        btn_002 = (Button)findViewById(R.id.btn_002);

        btn_003 = (Button)findViewById(R.id.btn_003);

        edit_msg = (EditText)findViewById(R.id.edt_msg);

        

        btn_001.setOnClickListener(this);

        btn_002.setOnClickListener(this);

        btn_003.setOnClickListener(this);

        edit_msg.setOnClickListener(this);

    }

    

   

    @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;

    }

    

    @Override

    public void onClick(View arg0) {

// TODO Auto-generated method stub

    switch (arg0.getId()){

    case R.id.btn_001:

    Toast.makeText(this, "단순출력", Toast.LENGTH_LONG).show();

    break;

    case R.id.btn_002:

    if(edit_msg.getText().toString().equals("")){

    Toast.makeText(this, "내용을 입력하세요", Toast.LENGTH_LONG).show();

    } else {

    Toast.makeText(this, edit_msg.getText().toString(), Toast.LENGTH_LONG).show();

    }

    break;

    case R.id.btn_003:

    Toast.makeText(this, "프로그램종료", 2000).show();

    finish();

    break;

    case R.id.edt_msg:

    break;

    }

}

}

---

---