Android自定义view(圆形进度条)

public class MyRoundProgressBar extends View {    private Paint paint;    float x, y;    CircleStyle cs;    private int rout;    private float radius;    public MyRoundProgressBar(Context context) {        super(context);        init();    }    public MyRoundProgressBar(Context context, @Nullable AttributeSet attrs) {        super(context, attrs);        init();    }    public MyRoundProgressBar(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {        super(context, attrs, defStyleAttr);        init();    }        public void init() {        paint = new Paint();        paint.setAntiAlias(true);        rout = 0;        radius = 100;    }    @Override    protected void onDraw(Canvas canvas) {        super.onDraw(canvas);        if (cs == null) {            cs = new CircleStyle(radius, Color.BLACK, rout);            x = getWidth() / 2;            y = getHeight() / 2;            paint.setColor(Color.BLACK);            //消除锯齿            paint.setStyle(Paint.Style.STROKE);            //设置粗细             paint.setStrokeWidth(1);            canvas.drawCircle(x, y, cs.getRadiu() - 10, paint);            canvas.drawCircle(x, y, cs.getRadiu() + 10, paint);            paint.setColor(cs.getColor());            //设置粗细            paint.setStrokeWidth(18);            RectF rect = new RectF();            //进行画圆弧            rect.set(x - cs.getRadiu(), y - cs.getRadiu(), x + cs.getRadiu(), y + cs.getRadiu());            canvas.drawArc(rect, 0.0f, cs.getRound(), false, paint);            startAnimation();        } else {            paint.setColor(Color.BLACK); //设置圆环的颜色            paint.setStyle(Paint.Style.STROKE);            paint.setStrokeWidth(1);            canvas.drawCircle(x, y, cs.getRadiu() - 10, paint);            canvas.drawCircle(x, y, cs.getRadiu() + 10, paint);            paint.setColor(cs.getColor());            paint.setStrokeWidth(18);            RectF rect = new RectF();            rect.set(x - cs.getRadiu(), y - cs.getRadiu(), x + cs.getRadiu(), y + cs.getRadiu());            canvas.drawArc(rect, 0.0f, cs.getRound(), false, paint);        }    }    private void startAnimation() {        ValueAnimator animator = ValueAnimator.ofObject(new CircleEvaluator(), new CircleStyle(radius, Color.BLACK, 0), new CircleStyle(radius, Color.BLACK, 360));        animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {            @Override            public void onAnimationUpdate(ValueAnimator animation) {                cs = (CircleStyle) animation.getAnimatedValue();                invalidate();            }        });        animator.setDuration(10000);        animator.start();    }    class CircleEvaluator implements TypeEvaluator {        @Override        public Object evaluate(float fraction, Object startValue, Object endValue) {            CircleStyle start = (CircleStyle) startValue;            CircleStyle end = (CircleStyle) endValue;            float round = start.getRound() + fraction * (end.getRound() - start.getRound());                        int colorR = Math.abs((int) (216 - fraction * (245 - 16)));            int colorG = Math.abs((int) (156 - fraction * (45 - 16)));            int colorB = Math.abs((int) (24 - fraction * (234 - 16)));            //三原色的设置            String tempR = Integer.toHexString(colorR);            String tempG = Integer.toHexString(colorG);            String tempB = Integer.toHexString(colorB);                        if (tempR.length() < 2) {                tempR += "0";            }            if (tempG.length() < 2) {                tempG += "0";            }            if (tempB.length() < 2) {                tempB += "0";            }            String tempColor = "#" + tempR + tempG + tempB;//#fff3a3            System.out.println("---" + tempColor);            int color = Color.parseColor(tempColor);            CircleStyle cs = new CircleStyle(radius, color, round);            return cs;        }    }    class CircleStyle {        float radiu;        int color;        float round;        public CircleStyle(float radiu, int color, float round) {            this.radiu = radiu;            this.color = color;            this.round = round;        }        public float getRadiu() {            return radiu;        }        public void setRadiu(float radiu) {            this.radiu = radiu;        }        public int getColor() {            return color;        }        public void setColor(int color) {            this.color = color;        }        public float getRound() {            return round;        }        public void setRound(float round) {            this.round = round;        }    }}