Open wifi settings in android

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);