/// <summary>
///
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected virtual void OnSystemNavigationManagerBackRequested(object sender, BackRequestedEventArgs e)
{
DeviceGestureEventArgs args = new DeviceGestureEventArgs();
RaiseCancelableEvent <DeviceGestureEventArgs>(GoBackRequested, this, args);
e.Handled = args.Handled;
}
/// <summary>
///
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected virtual void OnHardwareButtonsBackPressed(object sender, BackPressedEventArgs e)
{
DeviceGestureEventArgs args = new DeviceGestureEventArgs(false, true);
RaiseCancelableEvent <DeviceGestureEventArgs>(GoBackRequested, this, args);
e.Handled = args.Handled;
}
/// <summary>
/// Handling the back navigation request from the <see cref="IDeviceGestureService"/>
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void OnGoBackRequested(object sender, DeviceGestureEventArgs e)
{
if (NavigationService.CanGoBack())
{
NavigationService.GoBack();
e.Handled = true;
}
else if (DeviceGestureService.IsHardwareBackButtonPresent && e.IsHardwareButton)
{
Exit();
}
}
/// <summary>
/// Handling the forward navigation request from the <see cref="IDeviceGestureService"/>
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void OnGoForwardRequested(object sender, DeviceGestureEventArgs e)
{
if (NavigationService.CanGoForward())
{
NavigationService.GoForward();
e.Handled = true;
}
}
/// <summary>
/// Handling the back navigation request from the <see cref="IDeviceGestureService"/>
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void OnGoBackRequested(object sender, DeviceGestureEventArgs e)
{
if (NavigationService.CanGoBack())
{
NavigationService.GoBack();
e.Handled = true;
}
else if (DeviceGestureService.IsHardwareBackButtonPresent && e.IsHardwareButton)
{
// Looks like default behavior must be to do nothing
//Exit();
}
}
private void DeviceGestureService_GoBackRequested(object sender, DeviceGestureEventArgs e)
{
Debug.WriteLine(nameof(this.DeviceGestureService_GoBackRequested));
e.Handled = true;
e.Cancel = true;
}
private void DeviceGestureService_CameraButtonPressed(object sender, DeviceGestureEventArgs e)
{
Debug.WriteLine(nameof(this.DeviceGestureService_CameraButtonPressed));
}