+ (UIImage *)getImageOfView:(UIView *)view { UIImage *screenImage; // UIWindow *screenWindow = [[UIApplication sharedApplication] keyWindow]; UIGraphicsBeginImageContextWithOptions(view.bounds.size, NO, 0.0); SEL aSelector = NSSelectorFromString(@"drawViewHierarchyInRect:afterScreenUpdates:"); if ([view respondsToSelector:aSelector]) { NSInvocation *inv = [NSInvocation invocationWithMethodSignature:[view methodSignatureForSelector:aSelector]]; [inv setSelector:aSelector]; [inv setTarget:view]; BOOL y = YES; CGRect r = view.bounds; [inv setArgument:&r atIndex:2]; //arguments 0 and 1 are self and _cmd respectively, automatically set by NSInvocation [inv setArgument:&y atIndex:3]; //arguments 0 and 1 are self and _cmd respectively, automatically set by NSInvocation [inv invoke]; } else { [view.layer renderInContext:UIGraphicsGetCurrentContext()]; } screenImage = UIGraphicsGetImageFromCurrentImageContext(); UIGraphicsEndImageContext(); return screenImage; }
iOS 截屏
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