.h文件
#import <Foundation/Foundation.h>
#import <UIKit/UIKit.h>
NS_ASSUME_NONNULL_BEGIN
@interface color : NSObject
+(UIColor *)generateDynamicColor:(UIColor *)lightColor darkColor:(UIColor *)darkColor;
@end
NS_ASSUME_NONNULL_END
.m文件
#import "color.h"
@implementation color
+(UIColor *)generateDynamicColor:(UIColor *)lightColor darkColor:(UIColor *)darkColor{
if (@available(iOS 13.0, *)) {
UIColor *dyColor = [UIColor colorWithDynamicProvider:^UIColor * _Nonnull(UITraitCollection * _Nonnull traitCollection) {
if (traitCollection.userInterfaceStyle == UIUserInterfaceStyleLight) {
return lightColor;
}else {
return darkColor;
}
}];
return dyColor;
}else{
return lightColor;
}
}
@end
使用方法
self.view.backgroundColor = [color generateDynamicColor:[UIColor whiteColor] darkColor:[UIColor blackColor]];
