http://www.google.com.au/search?q=how+to+enable+or+disable+wlan&hl=en-AU&gbv=2&gs_l=heirloom-hp.3...83046.83046.0.84278.1.1.0.0.0.0.218.218.2-1.1.0...0.0...1c._ny527-Nl68&oq=how+to+enable+disable+wlan
This is a Simple Dialog Demo.