/// <summary>Construct the page.</summary>
/// <param name="Band">Band instance</param>
public MainPage(BandInterface Band)
{
this.Band = Band;
this.ViewModel = new MainPageViewModel(this);
this.BindingContext = this.ViewModel;
this.InitializeComponent();
this.Render();
}
/// <summary>Render!<summary>
private async void Render()
{
this.ViewModel.Band = this.Band;
this.ViewModel.BandTime = await this.Band.GetDeviceTime();
this.ViewModel.BandSerialNumber = await this.Band.GetSerialNumber();
this.ViewModel.LastSleep = await this.Band.GetLastSleep();
}
/// <summary>
/// Connect to a given Band, replacing any existing Band instance.
///
/// Throws if already connected.
/// </summary>
/// <param name="Band">Band to connect to</param>
/// <returns>Task</returns>
/// <exception cref="BandConnectionConnected"></exception>
public async Task Connect(BandInterface Band)
{
if (!this.Connected)
{
this.Band = Band;
await this.Connect();
}
else
{
throw new BandConnectionConnected();
}
}
/// <summary>Get Band connection and render main page.</summary>
/// <param name="BandClient">Band client instance</param>
protected async void Launch(BandClientInterface BandClient)
{
try {
// Connect to Band
this.BandClient = BandClient;
this.Band = (await this.BandClient.GetPairedBands())[0];
await this.Band.Connect();
// Render main page!
this.MainPage = new MainPage(this.Band);
}
catch (Exception) {
this.LaunchPage.DisplayError();
}
}
/// <summary>
/// Create a new connection instance with a given Band.
/// </summary>
/// <param name="Band">Band to connect to</param>
public BandConnection(BandInterface Band) : this()
{
this.Band = Band;
}