public TouchActionBuilder pointerUp() {
    Preconditions.checkState(isDown);

    addAction(TouchActionName.POINTER_UP);
    return this;
  }
Removes pointer from the touch screen at it's current position.
This method should only be called after pointerDown() has been called.
@return this
selendroid-client/src/main/java/io/selendroid/client/TouchActionBuilder.java