Categories: Symbian C++ | How To | Code Examples | Base/System

This page was last modified 15:49, 17 June 2008.

From Forum Nokia Wiki

Header File

#include <apacmdln.h>  
#include <apgcli.h>    
#include <apgtask.h>
#include <e32std.h>
#include <w32std.h>     
 
class MySystemUtils
{
    
     /**
		   *  Description : Function to check
                                    whether the applicaton is running.   
		   *  Params      : UID of the application to be checked
		   *  Returns     : true if the application is running
		   */
		   static TBool IsApplicationRunningL( const TUid& aApplicationUid );
 
		   /**
		   *  Description : Function to check if the executable is 
                                    running or not
		   *  Params      : Descriptor containing name of Exe
		   *  Returns     : true if running 
		   *  Comments    : format exename*
                   */
		   static TBool IsExeRunning( const TDesC& aExeName );
 
 
};

Checking whether the Application is Running

TBool MySystemUtils::IsApplicationRunningL( const TUid& aApplicationUid )
{ 
   RWsSession windowSession;
   User::LeaveIfError( windowSession.Connect() );
 
   TApaTaskList apataskList( windowSession);
   TApaTask apatask = apataskList.FindApp( aApplicationUid );
 
   TBool situationFlag = apatask.Exists();
 
   // Close window server session
   windowSession.Close();
 
   return situationFlag;
}

Checking Whether the Exe is Running

TBool MySystemUtils::IsExeRunning( const TDesC& aExeName )
{
   TFileName executableName;
   executableName.Copy( aExeName );
   executableName.Trim();
   executableName.Append(_L("*")); 
   
   TBool situationFlag = EFalse; 
   TFindProcess processSearch;
   TFullName processFullName;
   while( processSearch.Next( processFullName ) == KErrNone) 
   {
      
      if( processFullName.Match(executableName) != KErrNotFound ) 
      { 
         return ETrue;
      }
   }
   return situationFlag;
}