Cocos2d Xcode - SLComposeViewController黑屏

Question

我已经开发了一个Cocos2d游戏，通过在屏幕上创建这样一个按钮，我成功地让它呈现了一个SLComposeViewController：

头文件如下所示：

@interface HighScores : Main
@end

@interface socialViewControllerAtTheBottomOfThisClass : UIViewController
@end

.m文件中的代码：

@implementation HighScores
- (init) {
UIButton *shareButton = [[UIButton alloc] initWithFrame:CGRectMake(screenWidth/2, screenHeight/2, 100, 30)];
[shareButton addTarget:self action:@selector(shareAction) forControlEvents:UIControlEventTouchUpInside];
}

- (void)shareAction {

// I created a ViewController class at the end of the .m file containing the social stuff
// but I did this and managed to get it to present the SLComposeViewController:

socialViewControllerAtTheBottomOfThisClass *bottomController = [[socialViewControllerAtTheBottomOfThisClass alloc] init];
[[[[CCDirector sharedDirector] openGLView] window] setRootViewController:bottomController];
[bottomController shareToFacebook];

}
}
@end

然后在ViewController实现的底部：

@implementation socialViewControllerAtTheBottomOfThisClass

- (void)shareToFacebook {
if([SLComposeViewController isAvailableForServiceType:SLServiceTypeFacebook]) {

SLComposeViewController *controller = [SLComposeViewController composeViewControllerForServiceType:SLServiceTypeFacebook];
[controller setInitialText:@"This is my facebook status!"];

[self presentViewController:controller animated:YES completion:nil];

controller.completionHandler = ^(SLComposeViewControllerResult result) {
switch(result) {
case SLComposeViewControllerResultCancelled: [self actionForCancelled];
break;
case SLComposeViewControllerResultDone: [self actionForDone];
break;
}};

}
}

- (void)actionForCancelled {
}
- (void)actionForDone {
}

@end

代码显示SLComposeViewController，但是在演示时，我会得到一个黑色的背景，在我点击Post或Cancel之后，屏幕将保持黑色。我正在考虑将rootViewController设置为HighScores，但考虑到它不是ViewController，我无法做到这一点。

Answer 1

我现在没有代码，但我相信在过去，我创建了SLComposeViewController并将其添加为类似于以下的子视图：

[[[CCDirector sharedDirector] openGLView] addSubView:controller.view];

要删除它，您必须删除子视图。你也可以尝试：

AppController* app = (AppController*) [[UIApplication sharedApplication] delegate];
[[app navController] presentModalViewController:controller animated:YES];