androidWifi module application, how to obtain the wifi strength, channel

WiFiDirectDemo\WiFiDirectActivity.apk
..............\..........Demo\.classpath
..............\..............\.project
..............\..............\.settings\org.eclipse.jdt.core.prefs
..............\..............\AndroidManifest.xml
..............\..............\assets\sample_file.txt
..............\..............\bin\AndroidManifest.xml
..............\..............\...\classes\com\example\android\wifidirect\BuildConfig.class
..............\..............\...\.......\...\.......\.......\..........\DeviceDetailFragment$1.class
..............\..............\...\.......\...\.......\.......\..........\DeviceDetailFragment$2.class
..............\..............\...\.......\...\.......\.......\..........\DeviceDetailFragment$3.class
..............\..............\...\.......\...\.......\.......\..........\DeviceDetailFragment$FileServerAsyncTask.class
..............\..............\...\.......\...\.......\.......\..........\DeviceDetailFragment.class
..............\..............\...\.......\...\.......\.......\..........\DeviceListFragment$1.class
..............\..............\...\.......\...\.......\.......\..........\DeviceListFragment$DeviceActionListener.class
..............\..............\...\.......\...\.......\.......\..........\DeviceListFragment$WiFiPeerListAdapter.class
..............\..............\...\.......\...\.......\.......\..........\DeviceListFragment.class
..............\..............\...\.......\...\.......\.......\..........\FileTransferService.class
..............\..............\...\.......\...\.......\.......\..........\R$attr.class
..............\..............\...\.......\...\.......\.......\..........\R$color.class
..............\..............\...\.......\...\.......\.......\..........\R$dimen.class
..............\..............\...\.......\...\.......\.......\..........\R$drawable.class
..............\..............\...\.......\...\.......\.......\..........\R$id.class
..............\..............\...\.......\...\.......\.......\..........\R$layout.class
..............\..............\...\.......\...\.......\.......\..........\R$menu.class
..............\..............\...\.......\...\.......\.......\..........\R$string.class
..............\..............\...\.......\...\.......\.......\..........\R.class
..............\..............\...\.......\...\.......\.......\..........\WiFiDirectActivity$1.class
..............\..............\...\.......\...\.......\.......\..........\WiFiDirectActivity$2.class
..............\..............\...\.......\...\.......\.......\..........\WiFiDirectActivity$3.class
..............\..............\...\.......\...\.......\.......\..........\WiFiDirectActivity$4.class
..............\..............\...\.......\...\.......\.......\..........\WiFiDirectActivity.class
..............\..............\...\.......\...\.......\.......\..........\WiFiDirectBroadcastReceiver.class
..............\..............\...\classes.dex
..............\..............\...\dexedLibs\library-8efe2644d290d26529801c4a084b97d3.jar
..............\..............\...\.........\library-dbc87747eadfcb03cbb50547153695b8.jar
..............\..............\...\.........\support-5ba4c9f029ccf29794bd171649c838de.jar
..............\..............\...\.........\support-a968712ab479ffff3fecc3f732e9dc97.jar
..............\..............\...\jarlist.cache
..............\..............\...\res\crunch\drawable\machine.png
..............\..............\...\...\......\........-hdpi\icon.png
..............\..............\...\...\......\.............\ic_action_discover.png
..............\..............\...\...\......\.............\ic_action_on_off.png
..............\..............\...\...\......\.............\ic_launcher.png
..............\..............\...\...\......\.........ldpi\icon.png
..............\..............\...\...\......\.............\ic_action_discover.png
..............\..............\...\...\......\.............\ic_action_on_off.png
..............\..............\...\...\......\.............\ic_launcher.png
..............\..............\...\...\......\.........mdpi\icon.png
..............\........

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