protected override bool OnBackButtonPressed()
{
INativeHelper nativeHelper = null;
nativeHelper = DependencyService.Get <INativeHelper>();
if (nativeHelper != null)
{
nativeHelper.CloseApp();
}
nativeHelper.CloseApp();
base.OnBackButtonPressed();
// Always return true because this method is not asynchronous.
// We must handle the action ourselves: see above.
return(true);
}
protected override bool OnBackButtonPressed()
{
try
{
// Begin an asyncronous task on the UI thread because we intend to ask the users permission.
Device.BeginInvokeOnMainThread(async() =>
{
if (await DisplayAlert("Exit page?", "Are you sure you want to exit this page? You will not be able to continue it.", "Yes", "No"))
{
INativeHelper nativeHelper = null;
nativeHelper = DependencyService.Get <INativeHelper>();
if (nativeHelper != null)
{
nativeHelper.CloseApp();
}
base.OnBackButtonPressed();
//await Navigation.PopAsync();
}
});
}
catch (Exception ex)
{
Logging.Write(ex, "OnBackButtonPressed");
}
// Always return true because this method is not asynchronous.
// We must handle the action ourselves: see above.
return(true);
}