Interface orientation for Cocos2D-iphone Development)

Briefly record an application screen direction problem today.

Generally, the application specifies a direction, such as landscape or portrait ).

So how to set it?

Note: different versions must be distinguished here.

Find the appdelegate. M file

// The available orientations shocould be defined in the info. plist file. the supported direction must be in info. the plist file defines // and in iOS 6 + only, you can override it in the Root View Controller in the "supportedinterfaceorientations" method. // only valid for iOS 6 +. not valid for iOS 4/5. -(nsuinteger) supportedinterfaceorientations {// It is specified to be vertical here, including two regions and zones // iPhone onlyif ([[uidevice currentdevice] userinterfaceidiom] = uiuserinterfaceidiomphone) return messages | links; // iPad only return uiinterfaceorientationmaskportrait | uiinterfaceorientationmaskportraitupsidedown;} // supported orientations. customize it for your own needs // only valid on iOS 4/5. not valid for iOS 6. -(bool) orientation :( uiinterfaceorientation) interfaceorientation {// The vertical orientation is also specified here // iPhone onlyif ([[uidevice currentdevice] userinterfaceidiom] = uiuserinterfaceidiomphone) return orientation (interfaceorientation ); // iPad only return uiinterfaceorientationisportrait (interfaceorientation); // This method specifies horizontal // return uiinterfaceorientationislandscape (interfaceorientation );}

The code above shows that the first method is used to set the ios6 + version, and the second method is to set the ios4/5 version.

For uiinterfaceorientationmask In the first method, select return as needed.

typedef enum {   UIInterfaceOrientationMaskPortrait = (1 << UIInterfaceOrientationPortrait),   UIInterfaceOrientationMaskLandscapeLeft = (1 << UIInterfaceOrientationLandscapeLeft),   UIInterfaceOrientationMaskLandscapeRight = (1 << UIInterfaceOrientationLandscapeRight),   UIInterfaceOrientationMaskPortraitUpsideDown = (1 << UIInterfaceOrientationPortraitUpsideDown),   UIInterfaceOrientationMaskLandscape =   (UIInterfaceOrientationMaskLandscapeLeft | UIInterfaceOrientationMaskLandscapeRight),   UIInterfaceOrientationMaskAll =   (UIInterfaceOrientationMaskPortrait | UIInterfaceOrientationMaskLandscapeLeft |   UIInterfaceOrientationMaskLandscapeRight | UIInterfaceOrientationMaskPortraitUpsideDown),   UIInterfaceOrientationMaskAllButUpsideDown =   (UIInterfaceOrientationMaskPortrait | UIInterfaceOrientationMaskLandscapeLeft |   UIInterfaceOrientationMaskLandscapeRight),} UIInterfaceOrientationMask;

This is probably the case!