Switch Example

Screenshots :

activity_main.xml :

<?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"

    tools:context="com.chantisandroid.switchexample.MainActivity">

    <Switch

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:text="New Switch"

        android:id="@+id/switch1"

        android:layout_marginTop="75dp"

        android:layout_alignParentTop="true"

        android:layout_centerHorizontal="true"

        android:checked="false" />

    <TextView

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:textAppearance="?android:attr/textAppearanceMedium"

        android:id="@+id/textView"

        android:layout_below="@+id/switch1"

        android:layout_centerHorizontal="true"

        android:layout_marginTop="77dp" />

</RelativeLayout>

MainActivity.java :

package com.chantisandroid.switchexample;

import android.support.v7.app.AppCompatActivity;

import android.os.Bundle;

import android.widget.CompoundButton;

import android.widget.Switch;

import android.widget.TextView;

public class MainActivity extends AppCompatActivity implements CompoundButton.OnCheckedChangeListener {

    Switch switch1;

    TextView textView;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

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

        switch1 = (Switch)findViewById(R.id.switch1);

        switch1.setOnCheckedChangeListener(this);

    }

    @Override

    public void onCheckedChanged(CompoundButton compoundButton, boolean b) {

        if(switch1.isChecked()){

            textView.setText("Swich On");

        }else{

            textView.setText("Swich Off");

        }

    }

}