//获取当前屏幕显示的viewcontroller
-
(UIViewController *)getCurrentVC
{
UIViewController *result = nil;UIWindow * window = [[UIApplication sharedApplication] keyWindow];
if (window.windowLevel != UIWindowLevelNormal)
{
NSArray *windows = [[UIApplication sharedApplication] windows];
for(UIWindow * tmpWin in windows)
{
if (tmpWin.windowLevel == UIWindowLevelNormal)
{
window = tmpWin;
break;
}
}
}UIView *frontView = [[window subviews] objectAtIndex:0];
id nextResponder = [frontView nextResponder];if ([nextResponder isKindOfClass:[UIViewController class]])
result = nextResponder;
else
result = window.rootViewController;return result;
}
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