public Task <bool> OnBackButtonPressedAsync()
{
// Always close the app on Back button press on this screen
// (in Debug mode the user may have been routed to here from the passcode screen, but Back button should not navigate back to there)
_closeApplication.CloseApp();
return(Task.FromResult(false));
}
/// <summary>
/// Do check if permissions granted and request if not. Abort if User denies
/// </summary>
private void DoPermissionsCheck()
{
// This will abort the app at the start if the WIFI permissions are not given
Xamarin.Forms.Device.BeginInvokeOnMainThread(async() => {
if (!await this.CheckPermissions())
{
ICloseApplication closeApp = DependencyService.Get <ICloseApplication>();
await Application.Current.MainPage.DisplayAlert(
App.GetText(MsgCode.Error),
"Insufficient permissions",
App.GetText(MsgCode.Ok));
closeApp.CloseApp();
}
});
}
public async Task <bool> OnBackButtonPressedAsync()
{
var closeApp = true;
#if DEBUG
closeApp = !await Mvx.Resolve <ICustomUserInteraction>().ConfirmAsync("DEBUGGING: Return to Customer Code screen?", cancelButton: "No, close the app");
#endif
if (closeApp)
{
_closeApplication.CloseApp();
}
else
{
ShowViewModel <CustomerCodeViewModel>();
}
return(false);
}
private async Task LogAndCloseAsync(Exception ex)
{
await this.LogEventAsync(ex);
_closeApplication.CloseApp();
}