displaying the list of currently running task's packages and classes in my android application -


here scenario want display list of running task's packages , classes in android application,i have written code giving me run time error..can me solve this.. below code....is idea correct or don't mind if code program..

activitymanager actm = null; list< activitymanager.runningtaskinfo> runningtasks= actm.getrunningtasks(5); for(i=0;i<5;i++) {     componentname comname=runningtasks.get(i).topactivity;     string packname = comname.getpackagename();     string classname = comname.getclassname();     toast toast1 = toast.maketext(context, packname, duration);     toast1.show(); }

for 1 thing, need initialize actm getting activity manager instance:

activitymanager actm = (activitymanager) getsystemservice(activity_service);

for another, seem not have protection against possibility 1 of these functions may return null object - have verify hasn't before try call method of object in question. example, if there less 5 running tasks?

(incidentally, information returned not considered reliable - it's more of curiosity api 1 can depend on)


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