/* Ex: Discovering Devices on Local Network */

// Define how to respond when nearby devices are discovered on network
ILan iLan = new ILan() {
    @Override
    public void deviceListChanged() {
        // Clear the list of discovered peers
        peers.clear();
        peerNames.clear();
        peersAdapter.clear();
        // update list with all peers within range
        peers.addAll(a.lanGetDeviceList());
        for (int i = 0; i < peers.size(); i++) {
            Lan.Device d = (Lan.Device) peers.get(i);
            peersAdapter.add(d.getName());
        }
    }
};

a = new Ayanda(this, null, iLan, null);
a.lanDiscover();
// INFO: lanDiscover() automatically makes an HTTP connection to services discovered

/* Share a file to nearby devices through LAN */

String filePath = "sdcard/somepic.jpg";
// NearbyMedia is a helper class to describe a file
NearbyMedia nearbyMedia = new NearbyMedia();
nearbyMedia.setMimeType("image/jpeg");
nearbyMedia.setTitle("pic");
nearbyMedia.setFileMedia(new File(filePath));

//get a JSON representation of any metadata we want to share
Gson gson = new GsonBuilder()
        .setDateFormat(DateFormat.FULL, DateFormat.FULL).create();
nearbyMedia.mMetadataJson = gson.toJson("key:value");

// Share the file to devices on LAN registered for current service
try {
    // Will store on nearby device's "Download" folder.
    a.lanShare(nearbyMedia);
} catch (IOException e) {
    e.printStackTrace();
}

/* Discovering nearby devices by WifiDirect */

a = new Ayanda(this, null, null, new IWifiDirect() {
        @Override
        public void wifiP2pStateChangedAction(Intent intent) {

        }

        // Decide what to do when the list of nearby devices changes
        @Override
        public void wifiP2pPeersChangedAction() {
            peers.clear();
            peers.addAll(a.wdGetDevicesDiscovered() );
            peerNames.clear();
            for (int i = 0; i < peers.size(); i++) {
                WifiP2pDevice device = (WifiP2pDevice) peers.get(i);
                peersAdapter.add(device.deviceName);
            }
        }

        @Override
        public void wifiP2pConnectionChangedAction(Intent intent) {
        }

        @Override
        public void wifiP2pThisDeviceChangedAction(Intent intent) {
        }
    });
    
a.wdDiscover();

  a = new Ayanda(this, new IBluetooth() {
            @Override
            public void actionDiscoveryStarted(Intent intent) {}

            @Override
            public void actionDiscoveryFinished(Intent intent) {}

            @Override
            public void stateChanged(Intent intent) {}

            @Override
            public void scanModeChange(Intent intent) {}

            @Override
            public void actionFound(Intent intent) {
                peersAdapter.clear();
                peersAdapter.addAll(a.btGetDeviceNamesDiscovered());
                devices = a.btGetDevices();
            }

            @Override
            public void dataRead(byte[] bytes, int length) {
                String readMessage = new String(bytes, 0, length);
                Toast.makeText(BluetoothActivity.this, readMessage, Toast.LENGTH_LONG)
                        .show();
            }

            // Send "Hello World" after connecting to a device
            @Override
            public void connected(BluetoothDevice device) {
                String message = "Hello World";
                try {
                    a.btSendData(device, message.getBytes()); // maybe a class for a device that's connected
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }, null, null);
        // Discover nearby Bluetooth devices paired or not
        a.btDiscover();
        // Connect to device from list
        @Override
        public void onItemClick(AdapterView<?> adapterView, View view, int pos, long l) {
            BluetoothDevice device = devices.get(peerNames.get(pos));
            a.btConnect(device); // will trigger "connected" event
        }