media player - Samsung Galaxy S kill my android app on music play -


i have written app plays background music mediaplayer. testing app , works on htc desire perfectly, when try test on samsung galaxy s dies nullpointer exception on following part: 

mp_bg_music.play();

yes, had used mediaplayer.create , said work on htc desire! idea why samsung galaxy s fail run same program htc desire? there additional things should aware of before try play music? need grant more uses-permission app?

the solution change aac mp3


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