<li class="blockList">
<h4>DragGesture</h4>
<pre>protected&nbsp;DragGesture(int&nbsp;threshold,
                      @Nullable
                      android.graphics.RectF&nbsp;touchableArea)</pre>
<div class="block">Creates a new drag gesture, which can be used to perform certain action when dragging in a
 particular direction.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>threshold</code> - The distance in pixels, the gesture must last until it is recognized, as an <code>Integ