how to check the top activity from android app in background service

Question

In my app i want to check whethere any other app launches or not from my app.So i am currently usimg Activitymanager to find the top activity like this

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Answer 1

You should use Service for this. Then only you can achieve the background process..Please Go through about Services http://developer.android.com/guide/components/services.html and you can see this also http://www.vogella.com/articles/AndroidServices/article.html both URLs will help you