獲取當前螢幕顯示的viewcontroller
阿新 • • 發佈:2019-02-06
//獲取當前螢幕Presented顯示的viewcontroller
- (UIViewController *)getPresentedViewController
{
UIViewController *appRootVC = [UIApplication sharedApplication].keyWindow.rootViewController;
UIViewController *topVC = appRootVC;
if (topVC.presentedViewController) {
topVC = topVC.presentedViewController ;
}
return topVC;
}
//獲取當前螢幕Push顯示的viewcontroller
- (UIViewController *)getCurrentVC
{
UIViewController *result = nil;
UIWindow * window = [[UIApplication sharedApplication] keyWindow];
NSArray *windows = [[UIApplication sharedApplication] windows];
if (window.windowLevel != UIWindowLevelNormal)
{
NSArray *windows = [[UIApplication sharedApplication] windows];
for(UIWindow * tmpWin in windows)
{
MyLog(@"類名%@", NSStringFromClass([tmpWin.rootViewController class]));
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;
}