postfix启动失败
转：iptables防DDOS攻击和CC攻击设置
没有与时俱进，发现从ios5以来，居然不知道怎么处理旋转控制了
首先，appdelegate里面可以控制全局的，比如控制ipad随便转，iphone不转：
其次，如果需要每个去控制，可以是这样：
How to support one or more landscape controllers in app that is portrait mainly in ios6:
1) in AppDelegate
2) in UIView controller(s) that needs landscape (or portrait+lanscape etc):
3) in controllers, to which you can RETURN from controllers, that can be rotated in landscape - this is important, otherwise they remaind landscape on return from landscape-enabled VC.
4) (maybe not needed, but for sure..) - subclass navigation controller(s) you using, and add:
The important step is to ask for orientation only controllers from your app, because during transition between controllers, for some time there is some system controller as root, and will return incorrect value (this took me 2 hrs to find out, it was reason it was not working).
引自：http://stackoverflow.com/q...
原创内容如转载请注明：来自 阿权的书房
首先，appdelegate里面可以控制全局的，比如控制ipad随便转，iphone不转：
- (NSUInteger) application:(UIApplication *)application supportedInterfaceOrientationsForWindow:(UIWindow *)window {
if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {
// iPad
return UIInterfaceOrientationMaskAll;
} else {
// iPhone / iPod Touch
return UIInterfaceOrientationMaskPortrait;
}
}
if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {
// iPad
return UIInterfaceOrientationMaskAll;
} else {
// iPhone / iPod Touch
return UIInterfaceOrientationMaskPortrait;
}
}
其次，如果需要每个去控制，可以是这样：
How to support one or more landscape controllers in app that is portrait mainly in ios6:
1) in AppDelegate
- (NSUInteger)application:(UIApplication *)application supportedInterfaceOrientationsForWindow:(UIWindow *)window
{
UINavigationController* ns = (UINavigationController*)self.window.rootViewController;
if (ns) {
UIViewController* vc = [ns visibleViewController];
//by this UIViewController that needs landscape is identified
if ([vc respondsToSelector:@selector(needIos6Landscape)])
return [vc supportedInterfaceOrientations];
}
return UIInterfaceOrientationMaskPortrait; //return default value
}
{
UINavigationController* ns = (UINavigationController*)self.window.rootViewController;
if (ns) {
UIViewController* vc = [ns visibleViewController];
//by this UIViewController that needs landscape is identified
if ([vc respondsToSelector:@selector(needIos6Landscape)])
return [vc supportedInterfaceOrientations];
}
return UIInterfaceOrientationMaskPortrait; //return default value
}
2) in UIView controller(s) that needs landscape (or portrait+lanscape etc):
//flag method
-(void)needIos6Landscape {
}
- (BOOL)shouldAutorotate
{
return YES;
}
- (NSUInteger)supportedInterfaceOrientations
{
return UIInterfaceOrientationMaskAllButUpsideDown;
}
-(void)needIos6Landscape {
}
- (BOOL)shouldAutorotate
{
return YES;
}
- (NSUInteger)supportedInterfaceOrientations
{
return UIInterfaceOrientationMaskAllButUpsideDown;
}
3) in controllers, to which you can RETURN from controllers, that can be rotated in landscape - this is important, otherwise they remaind landscape on return from landscape-enabled VC.
- (BOOL)shouldAutorotate
{
return YES;
}
- (NSUInteger)supportedInterfaceOrientations
{
return UIInterfaceOrientationMaskPortrait;
}
{
return YES;
}
- (NSUInteger)supportedInterfaceOrientations
{
return UIInterfaceOrientationMaskPortrait;
}
4) (maybe not needed, but for sure..) - subclass navigation controller(s) you using, and add:
- (BOOL)shouldAutorotate
{
return YES;
}
- (NSUInteger)supportedInterfaceOrientations
{
UIViewController* vc = [self visibleViewController];
if (vc) {
if ([vc respondsToSelector:@selector(needIos6Landscape)]) {
return [vc supportedInterfaceOrientations];
}
}
return UIInterfaceOrientationMaskPortrait;
}
{
return YES;
}
- (NSUInteger)supportedInterfaceOrientations
{
UIViewController* vc = [self visibleViewController];
if (vc) {
if ([vc respondsToSelector:@selector(needIos6Landscape)]) {
return [vc supportedInterfaceOrientations];
}
}
return UIInterfaceOrientationMaskPortrait;
}
The important step is to ask for orientation only controllers from your app, because during transition between controllers, for some time there is some system controller as root, and will return incorrect value (this took me 2 hrs to find out, it was reason it was not working).
引自：http://stackoverflow.com/q...
原创内容如转载请注明：来自 阿权的书房
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磨机 
2015/05/04 17:31
英文不太好 看不太懂···
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