一个简单的问题。如何结合 TTLauncherViewController 添加工具栏项。我必须做一些非常基本的错误,因为工具栏出现了,但按钮没有显示:
self.navigationController.toolbarHidden = NO;
self.navigationController.toolbar.tintColor = [UIColor blackColor];
UIBarButtonItem *updateBttn = [[UIBarButtonItem alloc]
initWithBarButtonSystemItem:UIBarButtonSystemItemRefresh
target:self
action:@selector(updateData:)];
UIBarButtonItem *btnSpacer = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFixedSpace target:nil action:nil ];
self.navigationController.toolbarItems = [NSArray arrayWithObjects:updateBttn, btnSpacer, nil];
[btnSpacer release];
[updateBttn release];