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Ios tab Bar 使用方法
http://blog.sina.com.cn/s/blog_63578f140100w56m.html
UITabBar* tabBar = [[UITabBar alloc] initWithFrame:CGRectMake(40,0.0,240,30)];
[mainView addSubview:tabBar];
[tabBar release];
UITabBarItem *tabBarItem1 = [[UITabBarItem alloc] initWithTitle:@"排队人数" image:nil tag:0];
UITabBarItem * tabBarItem2 = [[UITabBarItem alloc] initWithTitle:@"人均" image:nil tag:1];
UITabBarItem * tabBarItem3 = [[UITabBarItem alloc] initWithTitle:@"距离" image:nil tag:2];
UITabBarItem * tabBarItem4 = [[UITabBarItem alloc] initWithTitle:@"好评" image:nil tag:3];
NSArray *tabBarItemArray = [[NSArray alloc] initWithObjects: tabBarItem1, tabBarItem2, tabBarItem3, tabBarItem4,nil];
[tabBar setItems: tabBarItemArray];
[tabBarItemArray release];
好像tabBar.backgroundColor = [UIColor blueColor];设置背景不起作用
alpha可以起作用
Ios tab Bar 使用方法