Android App Process Not Killed After Removed From Recent App List

I found my app's process is not killed after I swipe away from recently used app list, but only happen on LG nexus 5 with Android OS 6.0.1 (from devices I've tested), the process i

Solution 1:

Apps are not stopped completely if you swipe the app off the Recent App list. I think services are kept alive if you do this. If you're using a third party then it starts a service for its tasks, then that must be it.