How to change volume dynamically

[v-6]

Hi,
I have developed a video application that plays video, everything is perfect. But when I try to change the volume (increase/ decrease) using the volume key of the device nothing happens. I set the volume like this,

CVideoPlayerUtility::SetVolumeL(CVideoPlayerUtility::MaxVolume()

How do I change the volume dynamically.

[symbianyucca]

you would need to call the SetVolumeL() for the class instance that is currently playing the sound, as well as you would need to use the MaxVolume() function of that same instance.

[v-6]

but could you please tell me how do I do it using the Volumeup and volumedown key of the device.
Do i need to use OfferKeyEventL or CKeyCapturer for this?

[v-6]

you would need to call the SetVolumeL() for the class instance that is currently playing the sound, as well as you would need to use the MaxVolume() function of that same instance.

i first try to get the key event in the app, so I did this way
but i am not getting the key even when I press the up/down volume key of the device

view class

TKeyResponse CVideoPlayingMainView::OfferKeyEventL( 
    const TKeyEvent& aKeyEvent,TEventCode aType )
    {
	 if (aKeyEvent.iScanCode == EStdKeyIncVolume)
	            {
	           CAknInformationNote *info = new(ELeave)CAknInformationNote();
	           info->ExecuteLD(_L("Hello"));
	       		return( EKeyWasConsumed );
	            }
	 if (aKeyEvent.iScanCode == EStdKeyDecVolume)
		            {
	 CAknInformationNote *info = new(ELeave)CAknInformationNote();
		           info->ExecuteLD(_L("Hello"));
		       		return( EKeyWasConsumed );
		            }
    return EKeyWasNotConsumed;
    }

[symbianyucca]

a bit unrelated question to the original one, anyway, volume keys are not normal keys: http://wiki.forum.nokia.com/index.ph...ing_media_keys

Also please search older discussions on possible utilizing problems..

[v-6]

a bit unrelated question to the original one, anyway, volume keys are not normal keys: http://wiki.forum.nokia.com/index.ph...ing_media_keys

Also please search older discussions on possible utilizing problems..

i have followed this link but i don't see the lib in the list of my lib RemConInterfaceBase.lib and RemConCoreApi.lib


Sorry I got the lib

[symbianyucca]

ok, I suppose it is ok then..

[v-6]

I put the message in the volume up and down key but when In press the up/down key nothing happens

void CVideoPlayingAppUi::MrccatoCommand(TRemConCoreApiOperationId aOperationId,
                                       TRemConCoreApiButtonAction aButtonAct)
   {
   TRequestStatus status;
       switch( aOperationId )
       {
       case ERemConCoreApiPausePlayFunction:
           {
           switch (aButtonAct)
               {
               case ERemConCoreApiButtonPress:
                   // Play/Pause button pressed
                   break;
               case ERemConCoreApiButtonRelease:
                   // Play/Pause button released
                   break;
               case ERemConCoreApiButtonClick:
                   // Play/Pause button clicked
                   break;
               default:
                   // Play/Pause unknown action
                   break;
               }                               
           //Send the response back to Remcon server       
           iCoreTarget->PausePlayFunctionResponse(status, KErrNone);
           User::WaitForRequest(status);
           break;
           }   

       case ERemConCoreApiStop:
           {
           switch (aButtonAct)
               {
               // see above (case ERemConCoreApiPausePlayFunction)
               // for possible actions
               }
           iCoreTarget->StopResponse(status, KErrNone);
           User::WaitForRequest(status);
           break;
           }
       case ERemConCoreApiRewind:
           {
           switch (aButtonAct)
               {
               // see above for possible actions
               }
           iCoreTarget->RewindResponse(status, KErrNone);
           User::WaitForRequest(status);   
           break;
           }       
       case ERemConCoreApiForward:
           {
           switch (aButtonAct)
               {
               // see above for possible actions
               }
           iCoreTarget->ForwardResponse(status, KErrNone);
           User::WaitForRequest(status);
           break;
           }
       case ERemConCoreApiVolumeUp:
           {   
           switch (aButtonAct)
               {
               // see above for possible actions
        	   CAknInformationNote *info = new(ELeave)CAknInformationNote();
        	   info->ExecuteLD(_L("up"));
        			   
               }
           iCoreTarget->VolumeUpResponse(status, KErrNone);
           User::WaitForRequest(status);   
           break;
           }       
       case ERemConCoreApiVolumeDown:
           {
           switch (aButtonAct)
               {
        	   CAknInformationNote *info = new(ELeave)CAknInformationNote();
        	   info->ExecuteLD(_L("down"));
               // see above for possible actions
               }
           iCoreTarget->VolumeDownResponse(status, KErrNone);
           User::WaitForRequest(status);   
           break;
           }
       case ERemConCoreApiFastForward:
           {
           switch (aButtonAct)
               {
               // see above for possible actions
               }
           iCoreTarget->FastForwardResponse(status, KErrNone);
           User::WaitForRequest(status);
           break;
           }              
       case ERemConCoreApiBackward:
           {
           switch (aButtonAct)
               {
               // see above for possible actions
               }
           iCoreTarget->BackwardResponse(status, KErrNone);
           User::WaitForRequest(status);
           break;
           }                   
       default:
           break;
       }
   }

please tell me where I am making mistake

[v-6]

I got it i put the mesage in the wrong place, you are great. you have solved my problem