/proc is a (virtual) file system, so you can navigate through it with the
usual File operations. For every process there is a directory /proc/pid
where pid is the processes PID. Under that directory is a whole lot of stuff
relating to that process, such as command line, actual executable, open
files etc etc.
Searching for proc filesystem should give you much more information, but as
hackbod pointed out you do not have any guarantees that the layout will stay
exactly the same over versions/devices etc.Command like ps actually read
from /proc for their output.
Ludwig
2008/10/26 alexdonnini <[EMAIL PROTECTED]>
>
> I thought I would try using ps with code like the one listed below.
> headers for the process list are reported correctly but not much else.
>
> When you mentioned accessing /proc directly, did you have something
> else (other than ps) in mind?
>
> Thanks.
>
> Alex Donnini
>
> private void getProcessList()
> {
> System.out.println("retrieving list of running processes via --
> ps -e -- command");
> try
> {
> processList = new ArrayList<String>();
> String line;
> java.lang.Process p = Runtime.getRuntime().exec("ps -e");
> BufferedReader input =
> new BufferedReader(new
> InputStreamReader(p.getInputStream()));
> while ((line = input.readLine()) != null)
> {
> System.out.println("running process - "+line); //<--
> Parse data here.
> processList.add(line);
> }
> input.close();
> }
> catch (Exception err)
> {
> err.printStackTrace();
> }
>
>
> On Oct 26, 2:43 pm, alexdonnini <[EMAIL PROTECTED]> wrote:
> > Thanks. I understand the risk in going for direct access.
> >
> > On Oct 24, 1:09 am, hackbod <[EMAIL PROTECTED]> wrote:
> >
> > > Sorry, we don't currently have a high-level API for doing this. As a
> > > hack, you can read /proc directly, but that is not something that is
> > > part of the SDK and so you have no guarantees of it working on future
> > > releases or other phones.
> >
> > > On Oct 23, 8:25 pm,alexdonnini<[EMAIL PROTECTED]> wrote:
> >
> > > > Hello,
> >
> > > > Would anyone be able to tell me (or point me in the right direction)
> > > > how I could retrieve the pids and related process information as
> > > > reported, for example, in DDMS in an Android application?
> >
> > > > I have been able to put together a small application that retrieves
> > > > information about all tasks running
> > > > (ActivityManager activityManager =
> > > > (ActivityManager)this.getSystemService(ACTIVITY_SERVICE);
> > > > List<ActivityManager.RunningTaskInfo> runningTasks =
> > > > activityManager.getRunningTasks(30); )
> >
> > > > However, if possible, I would like to retrieve task and process
> > > > information at a higher level of granularity (or, if you like, at
> > > > lower level).
> >
> > > > Any help would be greatly appreciated.
> >
> > > > Thanks.
> >
> > > > Alex Donnini
> >
>
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