Switch

import android.app.Activity;

import android.os.Bundle;

import android.widget.CompoundButton;

import android.widget.Switch;

import android.widget.TextView;

public class Ex03_18Activity extends Activity {

  

Switch switcher;

TextView txtResult;

    @Override

    public void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.main);

        

        txtResult = (TextView)findViewById(R.id.txtResult);

        switcher = (Switch)findViewById(R.id.switchSound);

        switcher.setOnCheckedChangeListener( new CompoundButton.OnCheckedChangeListener() {

@Override

public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {

if( isChecked ){

txtResult.setText("ON~");

}else{

txtResult.setText("OFF~");

}

}

});

        

    }

}