トグルボタンの実装 ref: http://qiita.com/nein37/items/850824d2b35663111ddb

Activity.java

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

        CompoundButton toggle = (CompoundButton)findViewById(R.id.compoundButton);
        toggle.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
            @Override
            public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
                // 状態が変更された
                Toast.makeText(MyActivity.this, "isChecked : " + isChecked, Toast.LENGTH_SHORT).show();
            }
        });
    }

activity.xml

<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"
    tools:context=".MyActivity">

    <Switch
        android:id="@+id/toggle"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" />

</RelativeLayout>