Android Switch

Android Development

Android Switch :-

⇛ layout > .xml file :

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout

xmlns:android="http://schemas.android.com/apk/res/android"

xmlns:app="http://schemas.android.com/apk/res-auto"

xmlns:tools="http://schemas.android.com/tools"

android:layout_width="match_parent"

android:layout_height="match_parent"

tools:context=".First"

android:orientation="vertical"

android:gravity="center">

<TextView

android:id="@+id/Idtextview1"

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:textAlignment="center"

android:textSize="20sp"

android:textStyle="bold"

android:textColor="#c1091e"

android:padding="10dp"/>

<Switch

android:id="@+id/Idswitch1"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:padding="20sp"/>

</LinearLayout>

⇛ java file :

package com.example.dell.aswitch;

import android.support.v7.app.AppCompatActivity;

import android.os.Bundle;

import android.view.View;

import android.widget.Switch;

import android.widget.TextView;

public class First extends AppCompatActivity {

private Switch s1;

private TextView txt1;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_first);

s1 = (Switch) findViewById(R.id.Idswitch1);

txt1 = (TextView) findViewById(R.id.Idtextview1);

/*When click on Switch, the listener will execute*/

s1.setOnClickListener(new View.OnClickListener() {

@Override

public void onClick(View v) {

if (s1.isChecked()){

txt1.setText("Switch is On");

}else {

txt1.setText("Switch is Off");

}

}

});

}

}