docs: Transitions training class.

          </li>

          </li>

        </ul>

        </ul>

      </li>

      </li>

      <li class="nav-section">

        <div class="nav-section-header">

          <a href="<?cs var:toroot?>training/transitions/index.html"

             description=

             "How to animate state changes in a view hierarchy using transitions."

            >Animating Views Using Scenes and Transitions</a>

        </div>

        <ul>

          <li><a href="<?cs var:toroot ?>training/transitions/overview.html">

            The Transitions Framework

          </a>

          </li>

          <li><a href="<?cs var:toroot ?>training/transitions/scenes.html">

            Creating a Scene

          </a>

          </li>

          <li><a href="<?cs var:toroot ?>training/transitions/transitions.html">

            Applying a Transition

          </a>

          </li>

          <li><a href="<?cs var:toroot ?>training/transitions/custom-transitions.html">

            Creating Custom Transitions

          </a>

          </li>

        </ul>

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      <li class="nav-section">

      <li class="nav-section">

        <div class="nav-section-header"><a href="<?cs var:toroot ?>training/animation/index.html"

        <div class="nav-section-header"><a href="<?cs var:toroot ?>training/animation/index.html"

             description=

             description=