Andriod 对号错号

public class RightOrLeftView extends View {private Paint mPaint;private Path mPath;private ValueAnimator mAnimator;//可以主动传进来private int width;private int height;private Paint mCircleStrokePaint;private Paint mCirclePaint;private boolean mIsStart = false;private int mCircleRightColor=Color.GREEN;private int mPathRightColor=Color.WHITE;private int mCircleLeftColor=Color.WHITE;private int mPathLeftColor=Color.RED;private boolean mIsRight;public RightOrLeftView(Context context) {this(context, null);}public RightOrLeftView(Context context, AttributeSet attrs) {this(context, attrs, 0);}public RightOrLeftView(Context context, AttributeSet attrs, int defStyleAttr) {super(context, attrs, defStyleAttr);mPath = new Path();width = dip2px(context, 60);height = dip2px(context, 60);//对号initStrokePaint();initCirclePaint();initPath();PathMeasure mPathMeasure = new PathMeasure(mPath, false);final float length = mPathMeasure.getLength();mAnimator = ValueAnimator.ofFloat(1, 0);mAnimator.setInterpolator(new LinearInterpolator());mAnimator.setDuration(1000);mAnimator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {@Overridepublic void onAnimationUpdate(ValueAnimator animation) {float fraction = (float) animation.getAnimatedValue();DashPathEffect mEffect = new DashPathEffect(new float[]{length, length}, fraction * length);mPaint.setPathEffect(mEffect);invalidate();}});}private void initPath() {mPaint = new Paint();mPaint.setStrokeWidth(5);mPaint.setStyle(Paint.Style.STROKE);mPaint.setColor(mIsRight?mPathRightColor:mPathLeftColor);if(mIsRight){mPath.reset();mPath.moveTo(width * 0.3f, height * 0.5f);mPath.quadTo(width / 2f, height + 10, width * 0.7f, height * 1 / 4);}else {mPath.reset();mPath.moveTo(width * 0.7f, height * 0.3f);mPath.lineTo(width * 0.3f, height * 0.7f);mPath.moveTo(width * 0.3f, height * 0.3f);mPath.lineTo(width * 0.7f, height * 0.7f);}}private void initStrokePaint() {mCircleStrokePaint = new Paint();mCircleStrokePaint.setDither(true);mCircleStrokePaint.setAntiAlias(true);mCircleStrokePaint.setColor(Color.BLACK);mCircleStrokePaint.setStyle(Paint.Style.STROKE);mCircleStrokePaint.setStrokeWidth(2);}private void initCirclePaint() {mCirclePaint = new Paint();mCirclePaint.setDither(true);mCirclePaint.setAntiAlias(true);mCirclePaint.setColor(mIsRight?mCircleRightColor:mCircleLeftColor);mCirclePaint.setStyle(Paint.Style.FILL);}@Overrideprotected void onDraw(Canvas canvas) {super.onDraw(canvas);//画对号if (mIsStart) {//画空心圆canvas.drawCircle(width / 2, width / 2, width / 2 - 10, mCirclePaint);//画实心圆canvas.drawCircle(width / 2, width / 2, width / 2 - 10, mCircleStrokePaint);canvas.drawPath(mPath, mPaint);}}public void start() {mIsStart = true;mAnimator.start();}/*** 根据手机的分辨率从 dip 的单位 转成为 px(像素)*/public static int dip2px(Context context, float dpValue) {final float scale = context.getResources().getDisplayMetrics().density;return (int) (dpValue * scale + 0.5f);}/*** 根据手机的分辨率从 px(像素) 的单位 转成为 dp*/public static int px2dip(Context context, float pxValue) {final float scale = context.getResources().getDisplayMetrics().density;return (int) (pxValue / scale + 0.5f);}public void setmIsRight(boolean mIsRight) {this.mIsRight = mIsRight;}
}

写到最后发现还是没办法合二为一 ,你可以手动把它拆成俩个View,

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