/// <summary>
/// Checks If internet connection is available.
/// If silent mode is off shows a message and navigates user to WiFi Settings.
/// </summary>
/// <param name="silenceMode"></param>
/// <returns></returns>
public async Task <bool> InternetAvailableAsync(bool silenceMode)
{
if (!_initialized || !NetworkStatus)
{
if (!_initializing)
{
_initializing = true;
NetworkStatus = await GetInternetStatusAsync();
_initializing = false;
_initialized = true;
}
}
if (!silenceMode && !NetworkStatus)
{
Deployment.Current.Dispatcher.BeginInvoke(() =>
{
var result = MessageBox.Show(NetworkCheckerErrorMessages.NetworkErrorMessage,
NetworkCheckerErrorMessages.NetworkErrorTitle,
MessageBoxButton.OK);
if (result == MessageBoxResult.OK)
{
var task = new Microsoft.Phone.Tasks.ConnectionSettingsTask
{
ConnectionSettingsType = Microsoft.Phone.Tasks.ConnectionSettingsType.WiFi
};
task.Show();
}
});
}
return(NetworkStatus);
}
/// <summary>
/// Shows the Bluetooth device picker so that the user can pick one device.
/// </summary>
/// <returns>When the call to this method completes successfully, it returns a PeerInformation object that represents the device that the user picked.</returns>
public async Task <PeerInformation> PickDeviceAsync()
{
// replace waithandle - fixes bug with multiple calls (Thanks Phil Allison)
WaitHandle = new System.Threading.EventWaitHandle(false, System.Threading.EventResetMode.AutoReset);
SelectedItem = null;
#if V81
DeviceInformationCollection devices = await DeviceInformation.FindAllAsync(Windows.Devices.Bluetooth.BluetoothDevice.GetDeviceSelector());
foreach (DeviceInformation info in devices)
{
info.
}
#else
PeerFinder.AlternateIdentities["Bluetooth:Paired"] = string.Empty;
// get all service types
if (this.serviceFilter == Guid.Empty)
{
PeerFinder.AlternateIdentities["Bluetooth:SDP"] = string.Empty;
}
else
{
PeerFinder.AlternateIdentities["Bluetooth:SDP"] = this.serviceFilter.ToString("D");
PeerFinder.AlternateIdentities.Remove("Bluetooth:Paired");
}
#endif
IReadOnlyCollection <PeerInformation> devices = null;
while (devices == null)
{
try
{
devices = await PeerFinder.FindAllPeersAsync();
}
catch (Exception ex)
{
if ((uint)ex.HResult == 0x8007048F)
{
if (MessageBox.Show(Resources.Strings.OpenSettings, Resources.Strings.Bluetooth, MessageBoxButton.OKCancel) == MessageBoxResult.OK)
{
Microsoft.Phone.Tasks.ConnectionSettingsTask cst = new Microsoft.Phone.Tasks.ConnectionSettingsTask();
cst.ConnectionSettingsType = Microsoft.Phone.Tasks.ConnectionSettingsType.Bluetooth;
cst.Show();
}
else
{
// don't prompt again - return with no device selected
return(null);
}
}
}
}
Items = devices;
Frame f = (Frame)Application.Current.RootVisual;
f.Navigate(new Uri("/InTheHand.Devices.Bluetooth;component/BluetoothPickerPage.xaml", UriKind.Relative));
var tcs = new TaskCompletionSource <bool>();
var rwh = System.Threading.ThreadPool.RegisterWaitForSingleObject(WaitHandle, delegate { tcs.TrySetResult(true); }, null, -1, true);
var t = tcs.Task;
await t.ContinueWith(_ => rwh.Unregister(WaitHandle));
return(SelectedItem);
}
