public DetailsPage(Speaker speaker)
{
InitializeComponent();
//Set local instance of speaker and set BindingContext
this.speaker = speaker;
BindingContext = this.speaker;
}
public DetailsPage(Speaker item)
{
InitializeComponent();
this.speaker = item;
BindingContext = this.speaker;
ButtonSpeak.Clicked += ButtonSpeak_Clicked;
ButtonWebsite.Clicked += ButtonWebsite_Clicked;
}