UIActivityIndicatorView 基本设置

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typedef NS_ENUM(NSInteger, UIActivityIndicatorViewStyle) {

UIActivityIndicatorViewStyleWhiteLarge, // 大小 (37, 37)

UIActivityIndicatorViewStyleWhite, // (22, 22)

UIActivityIndicatorViewStyleGray, // (22, 22)

};

UIActivityIndicatorView *activityView = [[UIActivityIndicatorViewalloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhiteLarge];

activityView.backgroundColor = [UIColor redColor]; // 背景颜色

activityView.center = [UIApplicationsharedApplication].keyWindow.center;

activityView.bounds =CGRectMake(0,0, 50,50);

#define RGBACOLOR(R,G,B,A) [UIColor colorWithRed:(R) / 255.0f green:(G) /255.0f blue:(B) /255.0f alpha:(A)] // 自定义颜色

activityView.color =RGBACOLOR(124,124, 124,1); // 调整菊花的颜色

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