custom toast show time(not really precise)

Custom_Toast_TIME.java

  final Toast toast = new Toast(getContext());
            toast.setDuration(Toast.LENGTH_SHORT);
            toast.setGravity(Gravity.TOP | Gravity.FILL_HORIZONTAL, 0, 0);
            View view = LayoutInflater.from(getContext()).inflate(R.layout.layout_game_guide_25, null);
            ((TextView) view.findViewById(R.id.txt_hint)).setText(getResources().getText(R.string.game_tool_n_phone_permission_hint));
            toast.setView(view);
            CountDownTimer toastCountDown = new CountDownTimer(5000, 1000 ) {
                public void onTick(long millisUntilFinished) {
                    toast.show();
                }
                public void onFinish() {
                    toast.cancel();
                }
            };
            toast.show();
            toastCountDown.start();