視頻代碼都是跟著站內老師敲的，為什么我在運行時無法獲取視頻的當前播放時間和視頻總時間？private?Handler?UIHandler?=?new?Handler() { ????public?void?handlerMessage(Message?msg) ????{ ????????super.handleMessage(msg); ????????????int?currentPosition=?videoView.getCurrentPosition(); ????????????int?totalDuration?=?videoView.getDuration(); ????????????updateTextViewWithTimeFormat(current_text_tv,currentPosition); ????????????updateTextViewWithTimeFormat(time_total_tv,totalDuration); ????????????play_seek.setMax(totalDuration); ????????????play_seek.setProgress(currentPosition); ????????????UIHandler.sendEmptyMessageDelayed(UPDATEUI,50000); ????} };private?void?updateTextViewWithTimeFormat(TextView?textview,int?millisecond) { ????int?second?=?millisecond/1000; ????int?hh=second/3600; ????int?mm=second%3600/60; ????int?ss=second%60; ????String?str=null; ????if(hh>0) ????{ ????????str=String.format("%02d:%02d:%02d",hh,mm,ss); ????} ????else ????{ ????????str=String.format("%02d:%02d",mm,ss); ????} ????textview.setText(str); }