获取控制器的几种方法
#pragma mark - 获取UIView所在控制器
static inline UIViewController * GetCurrentViewControllerByView(UIView *view)
{
for (UIView *next = [view superview]; next; next = next.superview) {
UIResponder* nextResponder = [next nextResponder];
if ([nextResponder isKindOfClass:[UIViewController class]]) {
return (UIViewController*)nextResponder;
}
}
return nil;
}
#pragma mark - 获取当前控制器
static inline UIViewController * GetCurrentViewController()
{
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;
}
#pragma mark - 获取当前模态出来的控制器
static inline UIViewController * GetPresentedViewController()
{
UIViewController *rootVC = [UIApplication sharedApplication].keyWindow.rootViewController;
UIViewController *topVC = rootVC;
if (topVC.presentedViewController) {
topVC = topVC.presentedViewController;
}
return topVC;
}
