Apparently some applications are ignoring the second part and just exiting the application no matter when the back button is pressed.
显然，一些应用程序忽略了第二部分，任何时候按下返回按钮都退出应用程序。
2
Part of the vision was to use special hay and pressed-earth bricks for construction.
这个构想的一部份是用特别的草料和压缩泥砖来做建材。
3
For Part II, you will look at how the client processes the results retrieved from the database when the Show All button is pressed and whenever the main page of the application is accessed.