PreviewSeekBar.java 文件源码

public void setTintColor(@ColorInt int color) {
    Drawable drawable = DrawableCompat.wrap(getThumb());
    DrawableCompat.setTint(drawable, color);
    setThumb(drawable);

    drawable = DrawableCompat.wrap(getProgressDrawable());
    DrawableCompat.setTint(drawable, color);
    setProgressDrawable(drawable);
}