AppiumTests.cs

[TestMethod]
public void SwipeTest()
{
    _driver.StartActivity("io.appium.android.apis", ".graphics.FingerPaint");
    ITouchAction touchAction = new TouchAction(_driver);
    var element = _driver.FindElementById("android:id/content");
    Point point = element.Coordinates.LocationInDom;
    Size size = element.Size;
    touchAction
        .Press(point.X + 5, point.Y + 5)
        .Wait(200).MoveTo(point.X + size.Width - 5, point.Y + size.Height - 5)
        .Release()
        .Perform();
}