iOS 第二个显示器

Question

除了镜像我的设备屏幕之外，我无法让第二个显示器显示任何其他内容。我总是在电视上只看到镜像设备屏幕。这是我的代码，我希望有人可以帮助我。

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
NSNotificationCenter *center = [NSNotificationCenter defaultCenter];

[center addObserver:self selector:@selector(configureScreens) name:UIScreenDidConnectNotification object:nil];

[center addObserver:self selector:@selector(configureScreens) name:UIScreenDidDisconnectNotification object:nil];

[self configureScreens];

return YES;
}

-(void)configureScreens
{
NSUInteger screenCount = [[UIScreen screens] count];

NSLog(@"%u",screenCount);

if (screenCount == 1) {
    //single windows
}else if(screenCount == 2) {
    UIScreen *appleTvScreen = [[UIScreen screens] objectAtIndex:1];
    UIWindow *tvWindow = [[UIWindow alloc] initWithFrame:appleTvScreen.bounds];
    tvWindow.screen = appleTvScreen;
    tvWindow.backgroundColor = [UIColor redColor];

    tvWindow.rootViewController = [[UIStoryboard storyboardWithName:@"MainStoryboard" bundle:nil] instantiateViewControllerWithIdentifier:@"tv"];

    tvWindow.hidden = NO;
}
}

Answer 1

我建议您尝试 GITHub 上的示例源代码 TVOut - https://github.com/JohnGoodstadt/TVOut .

它使用与您类似的代码，但打包在一个类中，您可以复制该类并从您自己的代码中调用该类。

它应该可以解决您的显示问题。