[Android] ListView tips

1. 为了避免出现异常：

　　java.lang.IllegalStateException: The content of the adapter has changed but ListView did not receive a notification.....

　更新数据之前getListView().setVisibility(View.GONE)，然后mAllAdapter.notifyDataSetChanged()，更新之后getListView().setVisibility(View.GONE)，可以避免