UITabBar 图标偏离中心 iPad

Question

如何确保我的自定义标签栏图像位于 UITabBarItems 的中心？这是我的代码：

[self.tab.tabBar.items[0] setImage:[UIImage imageNamed:@"homeIcon"]];
[self.tab.tabBar.items[0] setAccessibilityLabel:@"Home"];
[self.tab.tabBar.items[1] setImage:[UIImage imageNamed:@"searchIcon"]];
[self.tab.tabBar.items[1] setAccessibilityLabel:@"Search"];

[self.tab.tabBar.items[2] setAccessibilityLabel:@"Add"];
[self.tab.tabBar.items[3] setImage:[UIImage imageNamed:@"explore-standard"]];
[self.tab.tabBar.items[3] setAccessibilityLabel:@"Messages"];
[self.tab.tabBar.items[4] setImage:[UIImage imageNamed:@"profile"]];
[self.tab.tabBar.items[4] setAccessibilityLabel:@"Profile"];

[self.tab.tabBar.items[0] setSelectedImage:[UIImage imageNamed:@"home-thick"]];
[self.tab.tabBar.items[1] setSelectedImage:[UIImage imageNamed:@"search-thick"]];
[self.tab.tabBar.items[3] setSelectedImage:[UIImage imageNamed:@"explore-thick"]];
[self.tab.tabBar.items[4] setSelectedImage:[UIImage imageNamed:@"user-thick"]];

[self.tab.tabBar.items[0] setTitle:nil];
[self.tab.tabBar.items[1] setTitle:nil];
[self.tab.tabBar.items[2] setTitle:nil];
[self.tab.tabBar.items[3] setTitle:nil];
[self.tab.tabBar.items[4] setTitle:nil];

Answer 1

像这样设置nil标题

[self.tab.tabBar.items[0] setTitle:nil];

生成 off-centre 图标。

您需要像这样设置一个空字符串：

[self.tab.tabBar.items[0] setTitle:@""];

UITabBar 图标偏离中心 iPad

UITabBar icons are off-center on iPad

ios

ipad

uitabbar