Android Application Creating global variables

From

Http://www.linuxidc.com/Linux/2012-05/59818.htm

It used to be a constdata class to save global variables, but sometimes it's a little bit of a problem.

So we studied the use of application to build global variables, here is the code, mainly divided into four files:

(1) is the MyApplication class, which holds global variables and variable queries and modifications

(2) Testandroid class is also the main class

(3) Otheractivity Another class calling global variables is the main class changing the test?

(4) Manifest.xml file

Android Application Creating global variables