iPhoneとiPadの分離コード

gistfile1.m

if ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPhone) {
    // iPhone, iPod Touchの場合の動作
    MasterViewController *masterViewController = [[[MasterViewController alloc] initWithNibName:@"MasterViewController_iPhone" bundle:nil] autorelease];
        self.navigationController = [[[UINavigationController alloc] initWithRootViewController:masterViewController] autorelease];
        self.window.rootViewController = self.navigationController;
} else {
    // iPadの場合の動作
    MasterViewController *masterViewController = [[[MasterViewController alloc] initWithNibName:@"MasterViewController_iPhone" bundle:nil] autorelease];
        self.navigationController = [[[UINavigationController alloc] initWithRootViewController:masterViewController] autorelease];
        self.window.rootViewController = self.navigationController;
}