Changing the behavior of a button depending on whether an activity is launched

Changing the behavior of a button depending on whether an activity is
launched

References

Reference NO 1

http://stackoverflow.com/questions/15191455/changing-the-behavior-of-a-button-depending-on-whether-an-activity-is-launched

Reference NO 2

http://developer.android.com/guide/components/tasks-and-back-stack.html

Reference NO 3

http://www.gamma-point.com/content/android-how-have-multiple-activities-under-single-tab-tabactivity

Reference NO 4

http://www.peachpit.com/articles/article.aspx?p=1874864

Reference NO 5

http://developer.nvidia.com/sites/default/files/akamai/mobile/docs/android_lifecycle_app_note.pdf

Reference NO 6

http://www.techotopia.com/index.php/Creating_an_Android_User_Interface_in_Java_Code

Reference NO 7

http://android.bigresource.com/Android-change-the-behavior-of-back-button-QeYXMYd5s.html

Reference NO 8

http://united-coders.com/nico-heid/use-android-activitygroup-within-tabhost-to-show-different-activity/