Android ping command-Runtime

Code:

1      PublicString Run (String _strsip)throwsException2     {3String Strrst = "";4         Try5         {6String str = "Ping-c 1" +_strsip;7Runtime runtime =runtime.getruntime ();8Process Process =runtime.exec (str);9 Ten             //wait for the process to finish executing One             if(Process.waitfor ()! = 0) A             { -                 //If the process does not run a result of 0, it indicates that the process exited with an error -                 //get error output from process instance theInputStream Streamerr =Process.geterrorstream (); -                 //Do something -                  -Strrst =inputstream2string (streamerr); +                 if(Streamerr! =NULL) - streamerr.close (); +                  A                 if(Strrst.isempty ()) at                 { -InputStream streamin =Process.getinputstream (); -Strrst =inputstream2string (streamin); -                     if(StreamIn! =NULL) - streamin.close (); -                      in                     if(Strrst.isempty ()) -Strrst = "failed:ping Failed."; to                 } +                 returnStrrst; -             } the              *InputStream streamin =Process.getinputstream (); $Strrst =inputstream2string (streamin);Panax Notoginseng             if(StreamIn! =NULL) - streamin.close (); the              +             if(Strrst.isempty ()) AStrrst = "Succeed:ping failed."; the         } +         Catch(Exception ex) -         { $             //ex.printstacktrace (); $StringWriter SW =NewStringWriter (); -PrintWriter PW =NewPrintWriter (SW); - ex.printstacktrace (PW); theStrrst = "ERR:" +sw.tostring (); -         }Wuyi         returnStrrst; the}

Android ping command-Runtime