Toggle Button Example in Android

ToggleButtonActivity.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
              xmlns:tools="http://schemas.android.com/tools"
              android:id="@+id/activity_toggle_button"
              android:layout_width="match_parent"
              android:layout_height="match_parent"
              android:paddingBottom="@dimen/activity_vertical_margin"
              android:paddingLeft="@dimen/activity_horizontal_margin"
              android:paddingRight="@dimen/activity_horizontal_margin"
              android:paddingTop="@dimen/activity_vertical_margin"
              android:orientation="vertical"
              tools:context="com.bhaumik.programmingstudy.ToggleButtonActivity">
    <ToggleButton
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textOn="Vibrate On"
            android:textOff="Vibrate Off"
            android:textAllCaps="false"
            android:layout_gravity="center"
            android:id="@+id/btn_toggle"/>

    <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="Hello World"
            android:textSize="25sp"
            android:layout_marginTop="20dp"
            android:layout_gravity="center"
            android:textColor="#000"
            android:id="@+id/tv_show"/>
</LinearLayout>

ToggleButtonActivity.java

package com.bhaumik.programmingstudy;

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

public class ToggleButtonActivity extends AppCompatActivity {

    TextView showText;
    ToggleButton toggleButton;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_toggle_button);
        showText = (TextView) findViewById(R.id.tv_show);
        toggleButton = (ToggleButton) findViewById(R.id.btn_toggle);
        showText.setVisibility(View.INVISIBLE);

        toggleButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {

                boolean checked = ((ToggleButton) v).isChecked();

                if(checked)
                {
                    showText.setVisibility(View.VISIBLE);
                    showText.setText("Vibrate On");
                }
                else
                {
                    showText.setVisibility(View.VISIBLE);
                    showText.setText("Vibrate Off");
                }
            }
        });
    }
}