The android.net.wifi.WifiManager class can be used to manage the wifi connectivity. It can be used to add network, disable network, scan for access points, disconnect etc.

Android wifi example to enable and disable wifi

Let’s see the simple example of wifi to enable and disable the wifi service.

activity_main.xml

File: activity_main.xml
   
  
    

Activity class

File: MainActivity.java
package com.example.wifi;  
  
import android.net.wifi.WifiManager;  
import android.os.Bundle;  
import android.app.Activity;  
import android.content.Context;  
import android.view.Menu;  
import android.view.View;  
import android.view.View.OnClickListener;  
import android.widget.Button;  
  
public class MainActivity extends Activity {  
    Button enableButton,disableButton;  
    @Override  
    protected void onCreate(Bundle savedInstanceState) {  
        super.onCreate(savedInstanceState);  
        setContentView(R.layout.activity_main);  
          
        enableButton=(Button)findViewById(R.id.button1);  
        disableButton=(Button)findViewById(R.id.button2);  
          
        enableButton.setOnClickListener(new OnClickListener(){  
            public void onClick(View v){  
                WifiManager wifi = (WifiManager) getSystemService(Context.WIFI_SERVICE);  
                wifi.setWifiEnabled(true);  
            }  
        });  
        disableButton.setOnClickListener(new OnClickListener(){  
            public void onClick(View v){  
                WifiManager wifi = (WifiManager) getSystemService(Context.WIFI_SERVICE);  
                wifi.setWifiEnabled(false);  
            }  
        });  
    }  
  
    @Override  
    public boolean onCreateOptionsMenu(Menu menu) {  
        // Inflate the menu; this adds items to the action bar if it is present.  
        getMenuInflater().inflate(R.menu.activity_main, menu);  
        return true;  
    }  
  
}

Add Permission in AndroidManifest.xml

You need to add following permissions in AndroidManifest.xml file.

Output:

android wifi example output 1