gradeProgressView.setProgress(100);                 //without animation
    
    gradeProgressView.setProgressWidthAnimation(100);   // with animation
    
    gradeProgressView.setBackgroundColor(Color.LTGRAY); //set background color
    
    gradeProgressView.setProgressColor(Color.WHITE);    //set progress and pointer color
    
    gradeProgressView.setLineWidth(60);                 //set the progress width
    
    gradeProgressView.setGapWidth(30);                  //set gap between out line and progress line
    
    gradeProgressView.setOutLineWidth(5);               //set out line widht
    
    gradeProgressView.setOnProgressChangeListener(new GradeProgressView.OnProgressChangeListener() {
        @Override
        public void onProgressChanged(GradeProgressView gradeProgressView, int progress) {
            Log.i("GradeProgressView test", "on progress changed: " + progress);
        }
    });