How to open wifi settings in android?

In today’s tutorial I will show you how to open the wifisettings in android programatically.
This code comes handy when the user have not enabled the wifi and you want the user to enable it for your application to work.
Here is the code for that.

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package com.coderzheaven;   import android.app.Activity; import android.content.ComponentName; import android.content.Intent; import android.os.Bundle; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button;   public class OpenWifiSettingsDemo extends Activity {     @Override     public void onCreate(Bundle savedInstanceState) {         super.onCreate(savedInstanceState);         setContentView(R.layout.main);         Button open = (Button)findViewById(R.id.open);         open.setOnClickListener(new OnClickListener() {             @Override             public void onClick(View v) {                 openWifiSettings();             }         });     }       public void openWifiSettings(){           final Intent intent = new Intent(Intent.ACTION_MAIN, null);         intent.addCategory(Intent.CATEGORY_LAUNCHER);         final ComponentName cn = new ComponentName("com.android.settings", "com.android.settings.wifi.WifiSettings");         intent.setComponent(cn);         intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);         startActivity( intent);     } }

Here is the layout xml- main.xml

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<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"     android:orientation="vertical"     android:layout_width="fill_parent"     android:layout_height="fill_parent"     > <TextView     android:layout_width="fill_parent"     android:layout_height="wrap_content"     android:text="How to open Wifi Settings Demo"     />     <Button     android:layout_width="fill_parent"     android:layout_height="wrap_content"     android:text="Open Wifi settings"     android:id="@+id/open"     /> </LinearLayout>

Wifi settings in android