How do Task Managers kill apps?

Question

First of all I know it\'s bad to use a task manager/killer in Android and all that, but what I was wondering is how do task managers like Advanced Task Killer k

Answer 1

You can send the signal using:

Process.sendSignal(pid, Process.SIGNAL_KILL);

To completely kill the process, it's recommended to call:

ActivityManager.killBackgroundProcesses(PackageName)

before sending the signal.