안드로이드 스튜디오 : 앱 프로그래밍 방과후 Chapter 6_6

<?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:layout_width="match_parent"
    android:layout_height="match_parent" android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    android:paddingBottom="@dimen/activity_vertical_margin" tools:context=".MainActivity">


    <ToggleButton
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/button_1"
        android:onClick="onClick_1"
        android:textOn="on"
        android:textOff="off"/>

</RelativeLayout>

package kr.hs.dsm.appb.ch_6_6;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.RadioButton;
import android.widget.Toast;
import android.widget.ToggleButton;

public class MainActivity extends AppCompatActivity {

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


    public void onClick_1(View v) {
        boolean checked = ((ToggleButton) v).isChecked();

        switch (v.getId()) {
            case R.id.button_1 :
                if(checked)
                    Toast.makeText(getApplicationContext(),"on", Toast.LENGTH_SHORT).show();
                else
                    Toast.makeText(getApplicationContext(),"off", Toast.LENGTH_SHORT).show();
        }
    }

}