final LinearLayout ll = new LinearLayout(this);
        ll.setOrientation(LinearLayout.VERTICAL);
        TextView tv;
        tv = new TextView(this);
        tv.setTextSize(48);
        tv.setGravity(Gravity.CENTER);
        tv.setText("red box");
        tv.setBackgroundColor(0x88ff0000);
        ll.addView(tv);
        tv = new TextView(this);
        tv.setTextSize(48);
        tv.setGravity(Gravity.CENTER);
        tv.setText("green box");
        tv.setBackgroundColor(0x8800ff00);
        ll.addView(tv);
        final Button b = new Button(this);
        b.setText("click me");

        View.OnClickListener onClickListener = new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                View first = ll.getChildAt(0);
                ll.removeView(first);
                ll.addView(first, 1);
                TransitionManager.beginDelayedTransition(ll);
            }
        };
        b.setOnClickListener(onClickListener);
        ll.addView(b);
        setContentView(ll);