// received when something is wrong with Socket Mobile Companion
// or when aborting Capture Helper (result is no error in that case)
private void mCapture_Terminate(object sender, CaptureHelper.TerminateArgs e)
{
// if there is an error then Socket Mobile Companion
// is not responding anymore
if (!SktErrors.SKTSUCCESS(e.Result))
{
timerOpenCapture.Start();
}
}
// Report Capture SDK errors on the console
void OnError(object sender, CaptureHelper.ErrorEventArgs e)
{
Console.WriteLine(String.Format("OnError(): {0}", e.Message));
if (SktErrors.SKTSUCCESS(e.Result))
{
Console.WriteLine("Result is SUCCESSFUL");
}
else
{
Console.WriteLine("Result is FAILURE");
}
}
// Initialize the CaptureHelper object here
public override async void ViewDidAppear(bool animated)
{
base.ViewDidAppear(animated);
// Assign event handlers for the Capture events we're interested in
Console.WriteLine("ViewDidAppear: Assigning handlers");
capture.DeviceArrival += OnDeviceArrival;
capture.DeviceRemoval += OnDeviceRemoval;
capture.DecodedData += OnDecodedData;
capture.Errors += OnError;
long result = await OpenCaptureClient(capture);
if (!SktErrors.SKTSUCCESS(result))
{
Console.WriteLine("OpenCaptureClient failed!");
}
}
private async void timerOpenCapture_Tick(object sender, EventArgs e)
{
timerOpenCapture.Stop();
long Result = await mCapture.OpenAsync("windows:com.socketmobile.singleentry",
"08de99c4-5baa-481f-8547-8d0ef9724630",
"i6tgDN2aO14WuVHMaCrq3VR4nEz+zL5dfePpNvmGeN2kZeLIWmfKmw==");
if (SktErrors.SKTSUCCESS(Result))
{
// ask for the version
CaptureHelper.VersionResult version = await mCapture.GetCaptureVersionAsync();
if (version.IsSuccessful())
{
labelVersion.Text = "Capture version: " + version.ToStringVersion();
}
}
else
{
labelVersion.Text = "Unable to connect to Socket Mobile Companion";
DialogResult dialogResult = MessageBox.Show(
"Unable to open Capture, is Socket Mobile Companion Service running?",
"Error",
MessageBoxButtons.RetryCancel,
MessageBoxIcon.Warning);
if (dialogResult == DialogResult.Retry)
{
timerOpenCapture.Start();
}
else
{
Close();
}
}
}
// Callback for Capture, when a scanner connects
async void OnDeviceArrival(object sender, CaptureHelper.DeviceArgs arrivedDevice)
{
Console.WriteLine("Start ScannerConnect()");
if (CurrentDevice == null)
{
CurrentDevice = arrivedDevice.CaptureDevice;
// Friendly name is available immediately
InvokeOnMainThread(() =>
{
scannerLabel.Text = CurrentDevice.GetDeviceInfo().Name;
Console.WriteLine("Device friendly name is: " + CurrentDevice.GetDeviceInfo().Name);
});
// Get the Bluetooth address of the connected device
Console.WriteLine("Requesting the Bluetooth address.");
CaptureHelperDevice.BluetoothAddressResult resultBdAddr = await CurrentDevice.GetBluetoothAddressAsync(".");
// Put the BdAddr out there
if (SktErrors.SKTSUCCESS(resultBdAddr.Result))
{
Console.WriteLine("Got the Bluetooth address.");
InvokeOnMainThread(() =>
{
Console.WriteLine("BdAddr is: " + resultBdAddr.BluetoothAddress);
bdaddrLabel.Text = resultBdAddr.BluetoothAddress;
});
}
else
{
Console.WriteLine("Error retrieving the Bluetooth address!");
}
// Get the current battery level
Console.WriteLine("Requesting the battery level.");
CaptureHelperDevice.BatteryLevelResult resultBattery = await CurrentDevice.GetBatteryLevelAsync();
// Put the Battery Level out there
if (SktErrors.SKTSUCCESS(resultBattery.Result))
{
Console.WriteLine("Got the battery level.");
InvokeOnMainThread(() =>
{
battLevelLabel.Text = resultBattery.Percentage;
});
}
else
{
Console.WriteLine("Error retrieving the battery level!");
}
var result = await CurrentDevice.SetDecodeActionAsync(false, false, false);
if (!result.IsSuccessful())
{
Console.WriteLine("SetDecodeAction() failed with " + result.Result + "!");
}
result = await capture.SetDataConfirmationModeAsync(ConfirmationMode.kApp);
if (!result.IsSuccessful())
{
Console.WriteLine("SetDataConfigurationMode() failed with " + result.Result + "!");
}
Connected = true;
while (Connected)
{
resultBattery = await CurrentDevice?.GetBatteryLevelAsync();
if (!SktErrors.SKTSUCCESS(resultBattery?.Result ?? -1))
{
Console.WriteLine("GetBatteryLevel() failed with " + resultBattery.Result + "!");
}
InvokeOnMainThread(() => battLevelLabel.Text = resultBattery.Percentage);
await Task.Delay(TimeSpan.FromSeconds(1));
}
// This section causing problems on some scanners
#if false
CaptureHelperDevice.PowerStateResult powerState = await CurrentDevice.GetPowerStateAsync();
if (SktErrors.SKTSUCCESS(powerState.Result))
{
string strPowerState;
switch (powerState.State)
{
case CaptureHelper.PowerState.AC:
strPowerState = "On AC";
break;
case CaptureHelper.PowerState.Battery:
strPowerState = "On Battery";
break;
case CaptureHelper.PowerState.Cradle:
strPowerState = "In Cradle";
break;
default:
strPowerState = "Unknown";
break;
}
InvokeOnMainThread(() =>
{
powerStatusLabel.Text = strPowerState;
});
}
else
{
Console.WriteLine("Error retrieving the power state!");
}
//See if we can register for live battery status updates
//Should assign a handler for battery status changes up where
//the capture openAsyc() happens.
Console.WriteLine("Requesting notifications.");
CaptureHelperDevice.NotificationsResult resultNotifications = await CurrentDevice.GetNotificationsAsync();
Console.WriteLine("Got the notifications.");
if (resultNotifications.IsSuccessful())
{
if ((!resultNotifications.Notifications.BatteryLevel) || (!resultNotifications.Notifications.PowerState))
{
resultNotifications.Notifications.BatteryLevel = true;
resultNotifications.Notifications.PowerState = true;
CaptureHelper.AsyncResult result = await CurrentDevice.SetNotificationsAsync(resultNotifications.Notifications);
if (!result.IsSuccessful())
{
Console.WriteLine("Unable to set the power notifications.");
}
else
{
CurrentDevice.DeviceBatteryLevel += OnDeviceBatteryLevel;
CurrentDevice.DevicePowerState += OnDevicePowerState;
}
}
else
{
CurrentDevice.DeviceBatteryLevel += OnDeviceBatteryLevel;
CurrentDevice.DevicePowerState += OnDevicePowerState;
}
}
else
{
// display an error message...
Console.WriteLine("Device.GetNotificationsAsync did not work.");
}
//DoScannerConnect();
#endif
}
else
{
// Maybe a new scanner has arrived, but the simple act of
// assigning the DeviceArrival handler will cause Capture
// to notify us if a scanner is connected.
Console.WriteLine("We already have a scanner connected!! Closing...");
await arrivedDevice.CaptureDevice.CloseAsync();
}
Console.WriteLine("End ScannerConnect()");
}
