public Paint getPaintCourseText() {
   if (paintCourseText == null) {
     paintCourseText = new Paint();
     paintCourseText.setColor(Color.WHITE);
     float size =
         TypedValue.applyDimension(
             TypedValue.COMPLEX_UNIT_SP, 12, App.getInstance().getResources().getDisplayMetrics());
     paintCourseText.setTextSize(size);
     paintCourseText.setAntiAlias(true);
   }
   return paintCourseText;
 }
 public int getSizeFromStyleFile(int fileSize) {
   return ImageHlp.changeToSystemUnitFromDP(App.getInstance(), fileSize / 2);
 }