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Accelerometer.Shaken | shaken event

Occurs when the accelerometer detects that the PC has been shaken.

Syntax


public event TypedEventHandler<Accelerometer, AccelerometerShakenEventArgs> Shaken

Event information

Delegate	TypedEventHandler<Accelerometer, AccelerometerShakenEventArgs>

Remarks

Use this event to receive notification that the device containing the accelerometer has been shaken. The app is not required to set a report interval prior to registering for Shaken events.

The following example demonstrates how a Windows Store app built with C# and XAML registers its Shaken event handler.


private void ScenarioEnable(object sender, RoutedEventArgs e)
{
    if (_accelerometer != null)
    {
        Window.Current.VisibilityChanged += new WindowVisibilityChangedEventHandler(VisibilityChanged);
        _accelerometer.Shaken += new TypedEventHandler<Accelerometer, AccelerometerShakenEventArgs>(Shaken);
        ScenarioEnableButton.IsEnabled = false;
        ScenarioDisableButton.IsEnabled = true;
    }
    else
    {
        rootPage.NotifyUser("No accelerometer found", NotifyType.StatusMessage);
    }
}

The following example shows the Shaken event handler.


async private void Shaken(object sender, AccelerometerShakenEventArgs e)
{
    await Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
    {
        _shakeCount++;
        ScenarioOutputText.Text = _shakeCount.ToString();
    });
}

The following example demonstrates how a Windows Store appbuilt with JavaScript registers its Shaken event handler.

JavaScript


function enableShakenScenario() {
    if (accelerometer) {
        document.addEventListener("msvisibilitychange", msVisibilityChangeHandler, false);
        accelerometer.addEventListener("shaken", onShaken);
        document.getElementById("scenario2Open").disabled = true;
        document.getElementById("scenario2Revoke").disabled = false;
    } else {
        WinJS.log && WinJS.log("No accelerometer found", "sample", "error");
    }
}