ios在判断设备是ipad_ios判断设备是iphone还是ipad

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions

{

self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];

// Override point for customization after application launch.

if ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPhone) {

self.viewController = [[NQViewController alloc] initWithNibName:@"NQViewController_iPhone" bundle:nil];

} else {

self.viewController = [[NQViewController alloc] initWithNibName:@"NQViewController_iPad" bundle:nil];

}

self.window.rootViewController = self.viewController;

[self.window makeKeyAndVisible];

return YES;

}

原文：http://www.cnblogs.com/tian-sun/p/4499700.html