SimpleProgressBar.java 文件源码

private void startIncertitudeAnimator() {
    if (mColorAnimator == null) {
        mColorAnimator = ValueAnimator.ofObject(new ArgbEvaluator(), mProgressColor, SkinHelper.getTranColor(mProgressColor, 0x10));
        mColorAnimator.setInterpolator(new LinearInterpolator());
        mColorAnimator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
            @Override
            public void onAnimationUpdate(ValueAnimator animation) {
                drawColor = (int) animation.getAnimatedValue();//之后就可以得到动画的颜色了.
                postInvalidate();
            }
        });
        mColorAnimator.setDuration(1000);
        mColorAnimator.setRepeatCount(ValueAnimator.INFINITE);
        mColorAnimator.setRepeatMode(ValueAnimator.REVERSE);
    }
    mColorAnimator.start();
}