Introduction - If you have any usage issues, please Google them yourself
Experimental features:
In the first Hello World! For the activity of the label to display the good, the interface has a button called Next. Click the Next button to enter the second activity, the second interface is only a Close button. Of course, some people will be safer to close the program, according to online function is not very simple, and android have a dedicated exit key and return key. The Close button temporarily failed to achieve it.
I an activity for HelloworldActivity 2 activity is NextActivity.
Experiments show that:
(1) from one activity to another activity, which requires intent to achieve. Of course we need to bind on the Next button press of a button listener (like java in knowledge, but I never learned the java, and can only be used where to go to school). Once the button to listen to button is pressed,