super.onCreate(savedInstanceState);
setContentView(R.layout.hierarchical_move);
View container = (View) findViewById(R.id.container);
mSceneRoot = (ViewGroup) container.getParent();
buttons[0] = (Button) findViewById(R.id.button0);
buttons[1] = (Button) findViewById(R.id.button1);
buttons[2] = (Button) findViewById(R.id.button2);
buttons[3] = (Button) findViewById(R.id.button3);
buttons[4] = (Button) findViewById(R.id.button4);
buttons[5] = (Button) findViewById(R.id.button5);
// Move button0, then buttons 1/2 together, then buttons 3/4/5 sequentially:
// group (seq)
// Move 0
// group (seq)
// group (together)
// Move 1
// Move 2
// group (sequentially)
// Move 3
// Move 4/5
TransitionSet rootTransition = new TransitionSet().
setOrdering(TransitionSet.ORDERING_SEQUENTIAL);
// button0
Transition move0 = new ChangeBounds();
move0.addTarget(buttons[0]);
// buttons 1/2/3/4/5
TransitionSet group12345 = new TransitionSet().
setOrdering(TransitionSet.ORDERING_SEQUENTIAL);
// buttons 1/2
TransitionSet group12 = new TransitionSet().
setOrdering(TransitionSet.ORDERING_TOGETHER);
ChangeBounds changeBounds1 = new ChangeBounds();
changeBounds1.addTarget(buttons[1]);
ChangeBounds changeBounds2 = new ChangeBounds();
changeBounds2.addTarget(buttons[2]);
group12.addTransition(changeBounds1).addTransition(changeBounds2);
TransitionSet group345 = new TransitionSet().
setOrdering(TransitionSet.ORDERING_SEQUENTIAL);
ChangeBounds changeBounds3 = new ChangeBounds();
changeBounds3.addTarget(buttons[3]);
ChangeBounds changeBounds45 = new ChangeBounds();
changeBounds45.addTarget(buttons[4]).addTarget(buttons[5]);
group345.addTransition(changeBounds3).addTransition(changeBounds45);
group12345.addTransition(move0).addTransition(group12).addTransition(group345);
rootTransition.addTransition(group12345);
rootTransition.setDuration(1000);
mTransition = rootTransition;
