Preventing main activity from being launched if running already

Preventing main activity from being launched if running already

References

Reference NO 1

http://stackoverflow.com/questions/15206064/preventing-main-activity-from-being-launched-if-running-already

Reference NO 2

http://stackoverflow.com/questions/9446493/will-an-application-launch-if-it-is-already-running

Reference NO 3

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

Reference NO 4

http://developer.appcelerator.com/question/120326/android-notification-is-re-launching-when-i-want-to-bring-to-front-existing-app

Reference NO 5

http://android.bigresource.com/Android-prevent-duplicate-Browser-Activity-launching-VnGxD7C55.html

Reference NO 6

http://forums.enyojs.com/discussion/724/handling-intents-on-phonegap-avoiding-re-launch

Reference NO 7

http://mobile.tutsplus.com/tutorials/android/android-sdk-quick-tip-launching-the-camera/

Reference NO 8

http://www.helloandroid.com/tutorials/communicating-between-running-activities