android populer

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); 

public boolean enableWIFI()
{
 WifiManager wifiManager = (WifiManager) this.getSystemService(Context.WIFI_SERVICE);
   if(wifiManager.isWifiEnabled())
     {
       if(wifiManager.setWifiEnabled(false))
       return true;
     }
    else {
       if(wifiManager.setWifiEnabled(true))
       return true;
       }
       return false;
}