안드로이드 - 토글 버튼 on, off

package com.example.ryan.myapplication;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
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 onToggleClicked(View view){
        //Is the toggle on?
        boolean on=((ToggleButton)view).isChecked();
        if(on)
            Toast.makeText(getApplicationContext(),"Checked",Toast.LENGTH_SHORT).show();
        else
            Toast.makeText(getApplicationContext(),"Not Checked",Toast.LENGTH_SHORT).show();

    }


}