protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
Xamarin.Forms.Forms.Init(this, savedInstanceState);
SetContentView(Resource.Layout.activity_main);
Toolbar toolbar = FindViewById <Toolbar>(Resource.Id.toolbar);
SetSupportActionBar(toolbar);
FloatingActionButton fab = FindViewById <FloatingActionButton>(Resource.Id.fab);
fab.Click += FabOnClick;
Tips = FindViewById <TextView>(Resource.Id.Tips);
Tips.Click += (s, e) =>
{
ShowScanDialog();
};
DeviceList = FindViewById <ListView>(Resource.Id.DeviceList);
try
{
data = sqlite.QueryAll();
}
catch
{
sqlite.CreateTable();
data = sqlite.QueryAll();
}
if (data.Count != 0)
{
DeviceList.Visibility = ViewStates.Visible;
Tips.Visibility = ViewStates.Gone;
}
adapter = new DeviceListAdapter(this, Resource.Layout.device_list_item, data);
DeviceList.Adapter = adapter;
DeviceList.ItemLongClick += (s, e) =>
{
Wake(e);
};
DeviceList.ItemClick += (s, e) =>
{
Edit(e);
};
}
/// <summary>
/// Called when activity is created
///
/// Formerly we scanned for all devices, including those not yet paired.
/// However, this returns a lot of devices that aren't usable and we don't have access
/// to the service information until the device is paired, so we now just look at the bonded devices.
/// The code infrastructure is still present to go back to scanning for all devices presenetly discoverable.
/// </summary>
/// <param name="bundle"></param>
protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
// Setup the window
RequestWindowFeature(WindowFeatures.NoTitle);
SetContentView(Resource.Layout.DeviceListLayout);
// Set result CANCELED incase the user backs out
SetResult(Result.Canceled);
// Set up button event handlers and initial states
/*
* Button scanButton = FindViewById<Button>(Resource.Id.button_scan);
* scanButton.Enabled = true;
* scanButton.Click += OnScanClick;
*/
FindViewById <Button>(Resource.Id.button_scan).Visibility = ViewStates.Gone;
Button endScanButton = FindViewById <Button>(Resource.Id.button_endscan);
endScanButton.Click += OnEndScanClick;
//endScanButton.Enabled = false;
// Set up the list adapter and event handler for clicking on items in the device list
listAdapter = new DeviceListAdapter(this, AvailableDevices);
ListAdapter = listAdapter;
ListView availableDeviceView = FindViewById <ListView>(Android.Resource.Id.List);
availableDeviceView.ItemClick += DeviceListClick;
FindViewById <ProgressBar>(Resource.Id.indeterminateBar).Visibility = ViewStates.Invisible;
// Register for broadcasts when a device is discovered
RegisterFilters();
InitialiseDiscovery();
}
private void Edit(AdapterView.ItemClickEventArgs e)
{
DeviceInfo device = data[e.Position];
AlertDialog.Builder alertDialog = new AlertDialog.Builder(this);
View view = View.Inflate(this, Resource.Layout.Add, null);
InitViewControls(view);
InitViewControlsContents(device);
alertDialog.SetView(view)
.SetPositiveButton(GetString(Resource.String.add_device_save), (_s, _e) =>
{
if (!TestDataFormat())
{
Toast.MakeText(this, GetString(Resource.String.add_device_error), ToastLength.Long).Show();
return;
}
device.Name = DeviceName.Text;
device.MacAddress = $"{DeviceMac1.Text}-{DeviceMac2.Text}-{DeviceMac3.Text}-{DeviceMac4.Text}-{DeviceMac5.Text}-{DeviceMac6.Text}";
device.IpAddress = $"{DeviceIp1.Text}.{DeviceIp2.Text}.{DeviceIp3.Text}.{DeviceIp4.Text}";
device.BroadcastAddress = $"{DeviceBroadcast1.Text}.{DeviceBroadcast2.Text}.{DeviceBroadcast3.Text}.{DeviceBroadcast4.Text}";
device.Port = Convert.ToByte(DevicePort.Text);
device.SendingCount = Convert.ToByte(SendingCount.Text);
device.Description = DeviceDesc.Text;
device.IsShortcut = Shortcut.Checked;
sqlite.Update(device);
data = sqlite.QueryAll();
adapter = new DeviceListAdapter(this, Resource.Layout.device_list_item, data);
DeviceList.Adapter = adapter;
SetShortcut();
Toast.MakeText(this, GetString(Resource.String.add_device_save_success), ToastLength.Long).Show();
})
.SetNegativeButton(GetString(Resource.String.add_device_cancel), (_s, _e) =>
{
(_s as AlertDialog).Dismiss();
})
.SetNeutralButton(Resource.String.add_device_delete, (_s, _e) =>
{
sqlite.Delete(device);
data = sqlite.QueryAll();
adapter = new DeviceListAdapter(this, Resource.Layout.device_list_item, data);
DeviceList.Adapter = adapter;
if (data.Count != 0)
{
DeviceList.Visibility = ViewStates.Visible;
Tips.Visibility = ViewStates.Gone;
}
Toast.MakeText(this, GetString(Resource.String.add_device_delete_success), ToastLength.Long).Show();
})
.Create();
AlertDialog show = alertDialog.Show();
}
private void Add()
{
View view = View.Inflate(this, Resource.Layout.Add, null);
InitViewControls(view);
view.ViewAttachedToWindow += (s, e) =>
{
DeviceIp4.FocusChange += (_s, _e) =>
{
if (_e.HasFocus == false)
{
try
{
IPAddress ip = IPAddress.Parse($"{DeviceIp1.Text}.{DeviceIp2.Text}.{DeviceIp3.Text}.{DeviceIp4.Text}");
IPAddress mask = NetworkManager.CalSubnetMask(ip);
IPAddress broadcast = NetworkManager.CalBroadcast(ip, mask);
var bStr = broadcast.ToString().Split('.');
DeviceBroadcast1.Text = bStr[0];
DeviceBroadcast2.Text = bStr[1];
DeviceBroadcast3.Text = bStr[2];
DeviceBroadcast4.Text = bStr[3];
}
catch
{
}
}
};
};
AlertDialog.Builder alertDialog = new AlertDialog.Builder(this);
alertDialog.SetView(view)
.SetPositiveButton(GetString(Resource.String.add_device_save), (s, e) =>
{
if (!TestDataFormat())
{
Toast.MakeText(this, GetString(Resource.String.add_device_error), ToastLength.Long).Show();
return;
}
DeviceInfo device = new DeviceInfo
{
Name = DeviceName.Text,
MacAddress = $"{DeviceMac1.Text}-{DeviceMac2.Text}-{DeviceMac3.Text}-{DeviceMac4.Text}-{DeviceMac5.Text}-{DeviceMac6.Text}",
IpAddress = $"{DeviceIp1.Text}.{DeviceIp2.Text}.{DeviceIp3.Text}.{DeviceIp4.Text}",
BroadcastAddress = $"{DeviceBroadcast1.Text}.{DeviceBroadcast2.Text}.{DeviceBroadcast3.Text}.{DeviceBroadcast4.Text}",
Port = Convert.ToByte(DevicePort.Text),
SendingCount = Convert.ToByte(SendingCount.Text),
Description = DeviceDesc.Text,
IsShortcut = Shortcut.Checked
};
sqlite.Insert(device);
data = sqlite.QueryAll();
adapter = new DeviceListAdapter(this, Resource.Layout.device_list_item, data);
DeviceList.Adapter = adapter;
if (data.Count != 0)
{
DeviceList.Visibility = ViewStates.Visible;
Tips.Visibility = ViewStates.Gone;
}
SetShortcut();
Toast.MakeText(this, GetString(Resource.String.add_device_save_success), ToastLength.Long).Show();
})
.SetNegativeButton(GetString(Resource.String.add_device_cancel), (s, e) =>
{
(s as AlertDialog).Dismiss();
})
.Create();
AlertDialog show = alertDialog.Show();
}
private async void ShowScanDialog()
{
View view = View.Inflate(this, Resource.Layout.Scan, null);
TextView ScaningDetail = view.FindViewById <TextView>(Resource.Id.ScaningDetail);
AlertDialog.Builder alertDialog = new AlertDialog.Builder(this);
alertDialog.SetView(view)
.SetCancelable(false)
.Create();
AlertDialog show = alertDialog.Show();
var token = scanCTS.Token;
Task t1 = Task.Run(() =>
{
try
{
NetworkManager.GetNetworkIpAndMask(out IPAddress ip, out IPAddress sub);
var networkAddress = NetworkManager.CalNetworkAddress(ip, sub).ToString();
networkAddress = networkAddress.Substring(0, networkAddress.Length - 1);
for (int i = 2; i <= 254; i = i + 1)
{
string addr = $"{networkAddress}{i}";
UdpClient udp = new UdpClient(addr, 23452);
udp.Send(new byte[] { 0 }, 1);
ScaningDetail.Text = addr;
}
}
catch (Exception)
{
}
}, token);
await t1;
TaskScheduler csc = TaskScheduler.FromCurrentSynchronizationContext();
await t1.ContinueWith((t) =>
{
var raw = NetworkManager.GetClientMac();
foreach (var item in raw)
{
DeviceInfo device = new DeviceInfo
{
Name = item[0],
MacAddress = item[1],
IpAddress = item[0],
BroadcastAddress = NetworkManager.CalBroadcast(IPAddress.Parse(item[0]), NetworkManager.CalSubnetMask(IPAddress.Parse(item[0]))).ToString(),
Port = 7,
SendingCount = 1,
};
bool isEqual = false;
foreach (var d in data)
{
if (d.IpAddress == device.IpAddress)
{
isEqual = true;
}
}
if (!isEqual)
{
sqlite.Insert(device);
}
}
data = sqlite.QueryAll();
adapter = new DeviceListAdapter(this, Resource.Layout.device_list_item, data);
DeviceList.Adapter = adapter;
if (data.Count != 0)
{
DeviceList.Visibility = ViewStates.Visible;
Tips.Visibility = ViewStates.Gone;
}
show.Dismiss();
}, token, TaskContinuationOptions.AttachedToParent, csc);
}
