ios - don't show movie in document folder in xcode -


i create 1 application show file in document folder. have 1 file .mov format want show document folder when run app , click play button don't show movie , see image : enter image description here

this code : (please guide me , tell me mistake)

- (ibaction)play:(id)sender {     nsstring *documentpath = [nssearchpathfordirectoriesindomains(nsdocumentationdirectory, nsuserdomainmask, yes)objectatindex:0];     nsstring *file = [documentpath stringbyappendingpathcomponent:@"xcode4-outlet.mov"];     nsurl *url = [nsurl fileurlwithpath:file];     _movieplayer = [[mpmovieplayercontroller alloc]initwithcontenturl:url];     [self.view addsubview:_movieplayer.view];     _movieplayer.fullscreen = yes;     _movieplayer.shouldautoplay = yes;     _movieplayer.allowsairplay = yes;     [_movieplayer play]; }

also compiler me massage :

movie player[9489:c07] [mpavcontroller] autoplay: keep or full buffer: 0 movie player[9489:c07] [mpavcontroller] autoplay: skipping autoplay, not enough buffered keep up. movie player[9489:c07] [mpavcontroller] autoplay: enabling autoplay movie player[9489:c07] [mpcloudassetdownloadcontroller] prioritization requested media item id: 0 movie player[9489:c07] [mpavcontroller] autoplay: enabling autoplay

you need check whether file there or not before adding movie player can add default 

-(ibaction)play:(id)sender {      nsstring *documentpath = [nssearchpathfordirectoriesindomains(nsdocumentationdirectory, nsuserdomainmask, yes)objectatindex:0];     nsstring *file = [documentpath stringbyappendingpathcomponent:@"xcode4-outlet.mov"];     nsurl *url = [nsurl fileurlwithpath:file];      bool fileexists = [[nsfilemanager defaultmanager] fileexistsatpath:file];     if(fileexists)     {         _movieplayer = [[mpmovieplayercontroller alloc]initwithcontenturl:url];         [[nsnotificationcenter defaultcenter] addobserver:self selector:@selector(moviepreloaddidfinish:) name:mpmovieplayerloadstatedidchangenotification                                                    object:_movieplayer];         _movieplayer.shouldautoplay=no;         [_movieplayer preparetoplay];     }  }

add movie after movie loaded

-(void)moviepreloaddidfinish:(nsnotification*)notification {     _movieplayer.controlstyle=mpmoviecontrolstyledefault;    [self.view addsubview:_movieplayer.view];    [_movieplayer play];    [_movieplayer setfullscreen:yes animated:yes];  }

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