JQCorreia JQCorreia - 1 year ago 58
Android Question

Differentiating between an Activity launch from home screen or from another activity from App

I need to know a generic way to distinguish between a call of activity from launcher and a call from another activity from inside my app, or a BACK on the activity stack

Anyone? this is bugging me for quite a while now and i need to put it to rest...

Thanks in advance

Answer Source

In the onCreate of you Activity, call getIntent(). If the Activity is started from the launcher (home screen) the values for getAction() will be android.intent.action.MAIN and the getCategories() will return a set which will contain the android.intent.category.LAUNCHER category. If the activity is started from elsewhere these values may be null.