Android: How to/Show wifi (select SSID to connect) as dialog or popup?

问题

I develop an application and want to show wifi networks as a dialog (popup).

My code is: startActivity(new Intent(WifiManager.ACTION_PICK_WIFI_NETWORK));

It just show wifi setting as:

But I want it show as dialog like this :

I wonder this is wifi dialog or we can show another activity as a dialog.

来源：https://stackoverflow.com/questions/28828179/android-how-to-show-wifi-select-ssid-to-connect-as-dialog-or-popup