android自己写的类似刻度尺的东西(10)

                            result = 0; 
                        } 
                        break; 
                } 
            } 
            initStaff(); 
 
            canvas.drawBitmap(pointer, 143, 36, paint); 
 
            Paint reslutPaint = new Paint(); 
            reslutPaint.setColor(Color.BLACK); 
            reslutPaint.setTextSize(RESULT_SIZE); 
            canvas.drawText(Float.toString(result) + " " + unit, RESULT_X, RESULT_Y, reslutPaint); 
            //解锁画布，提交画好的图像   
            mSurfaceHolder.unlockCanvasAndPost(canvas);   
        } 
         
        private void initStaff(){ 
            int bx = initBx; 
            int num_x = num_left; 
            int mod = 0; 
            int midd = 2; 
            if(result != 0){ 
                mod = (int)(Arithmetic.div(result, interval, 1) % 5); 
                bx += mod * move; 
            } 
            if(mod >= 3){ 
                midd = 1; 
                num_x += (5 - mod) * move;