objective c - iphone MediaPlayerController does not show the media player -

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hi,

i developing app contains 3 tab view control. 1 each audio, video , images.

when select video tab, have items displayed in table view format on selection of cell, video shown. example.

(void)tableview:(uitableview *)tableview didselectrowatindexpath:(nsindexpath *)indexpath {  mpmovieplayercontroller *movieplayer = [[mpmovieplayercontroller alloc] initwithcontenturl:[nsurl urlwithstring:url]] ;  [movieplayer play];  }

the problem though able play video unable see video , can hear audio. in addition, if close app while video playing, , start app, application crashes.

can please let me know how should go ahead ?

after spending more time, have found out version above 3.2 1 has use mpmovieplayerviewcontroller.

the use of same resolved issue. 

if ([[[uidevice currentdevice] systemversion ] doublevalue] >= 3.2) {     mpmovieplayerviewcontroller *mediaplayer = [[mpmovieplayerviewcontroller alloc] initwithcontenturl:[nsurl urlwithstring:urladdress]];      if (mediaplayer) {         [self presentmovieplayerviewcontrolleranimated:mediaplayer];         mediaplayer.movieplayer.moviesourcetype = mpmoviesourcetypefile ;         [mediaplayer.movieplayer play];         [mediaplayer release];     } }

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