iOS开发集锦

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1。生成随机颜色
- (UIColor *)randomColor {
    static BOOL seeded = NO;
    if (!seeded) {
        seeded = YES;
        (time(NULL));
    }
    CGFloat red = (CGFloat)random() / (CGFloat)RAND_MAX;
    CGFloat green = (CGFloat)random() / (CGFloat)RAND_MAX;
    CGFloat blue = (CGFloat)random() / (CGFloat)RAND_MAX;
    return [UIColor colorWithRed:red green:green blue:blue alpha:1.0f];
}

iOS开发集锦

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原文地址：http://www.cnblogs.com/so-magic/p/4614393.html