ios 给一个控制器的view设置背景图片

2022-10-06 07:24:21

- (void)imageBg
{
    UIImage *oldImage = [UIImage imageNamed:@"me"];

    UIGraphicsBeginImageContextWithOptions(self.view.frame.size, NO, 0.0);
    [oldImage drawInRect:self.view.bounds];
    UIImage *newImage = UIGraphicsGetImageFromCurrentImageContext();
    UIGraphicsEndImageContext();

    self.view.backgroundColor = [UIColor colorWithPatternImage:newImage];
}