android - smoothScrollTo - prompter effect -


i try prompter effect. smoothly move line line smoothscrollto isnt't smooth. i'd text appearing in scrollview. tv prompter. clue how this?

i managed find solution doing:

    private void displaywpm(){ //  // 8 lines per minute reach 50 wpm = 6 words per line // correspondig scrollview width = 500dp // , textview large font //         new countdowntimer(300000, 195) {         int =0;             public void ontick(long millisuntilfinished) {                 sv.smoothscrollto(0,i*1);                 i++;             }              public void onfinish() {  //               text.settext("done");             }          }.start();      }

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