Introducing Delay

hi all,

working audio player application, here having upto 15 songs collected names array , playing 1 one following,

- (void)audioplayerdidfinishplayingavaudioplayer *)player successfullybool)flag
{

if(prayerarray != nil)
{

int totalprayersinqueue = [prayerarray count];
if(currentplayingsongindex < totalprayersinqueue-1 )
{

currentplayingsongindex++;
nsstring *sound = [prayerarray objectatindex:currentplayingsongindex];
avaudioplayer *player = [[avaudioplayer alloc] initwithcontentsofurl:[nsurl fileurlwithpath:[[nsbundle mainbundle]
pathforresource:sound oftype"mp3"]] error:nil];
player.delegate = self;
self.audioplayer = player;
[player release];

// set timer keep getting current music time , update uislider in 1 sec interval
progresstimer = [nstimer scheduledtimerwithtimeinterval:1.0 target:self selectorselector(updateslider) userinfo:nil repeats:yes];


// set maximum value of uislider
progressslider.maximumvalue = audioplayer.duration;

//nslog(@"current song duration %i",intvalue(audioplayer.duration));

// set valuechanged target
[progressslider addtarget:self actionselector(sliderchanged forcontrolevents:uicontroleventvaluechanged];

// play audio
[audioplayer preparetoplay];
[audioplayer play];

}
else {

[playbutton setimage:[uiimage imagenamed"play_icon.png"] forstate:uicontrolstatenormal];
}

}


}


here want introduce delay of 15 seconds between each songs, there way , how inside delegate method.

in advance.

regards
sakthi

 

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