android - trigger function when sound reach certain position -


i want play sound either using mediaplayer or sound pool. , want when sound/music reach position such 

function void hello(){ // reach position 1.5 seconds }    mediaplayer.setoncertainposition(1500, hello()); // not actual code

currently found create loop function every xxx millisecond , 

mediaplayer.getcurrentposition()

from this answer

is there better code?
note: found audiotrack not sure how works , how use it


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