public void onScrollStateChanged(AbsListView v, int state) {
if (lastItem == mAdapter.count && state == OnScrollListener.SCROLL_STATE_IDLE) {
// 如果ListView的最后一项，刚好等于适配器里的总数据项，
// 就执行发下代码：
mAdapter.count += 10; // 让适配器里的总数据项再加10
mAdapter.notifyDataSetChanged(); // 刷新适配器
Log.i(TAG, "lastItem:" + lastItem);
}
}
private void doMove(int from, int to) {
Page obj = mArray.get(from);
mArray.remove(from);
mArray.add(to, obj);
mAdapter.notifyDataSetChanged();
// Update order
for (int i = 0; i < mArray.size(); i++) {
CalculatorSettings.setPageOrder(getContext(), mArray.get(i), i);
}
}
