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acalism/navigationBar_Customize.swift

Created July 15, 2017 11:39
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navigationBar的坑
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navigationBar_Customize.swift
// 坑一：设置样式
// 有效的代码
navigationBar.tintColor = Color.text_light
navigationBar.shadowImage = UIImage.create(UIColor(rgb: 0xE5E5E5))
navigationBar.setBackgroundImage(UIImage.create(UIColor.white), for: .default)
navigationBar.titleTextAttributes = [NSForegroundColorAttributeName: Color.app, NSFontAttributeName : Font.bf20]
navigationBar.setBackgroundImage(UIImage(), for: .default)
// 坑爹的代码
navigationBar.barStyle = .white // 单设有效，若有页面需改变背景，则改完复原就会灰背景————说好的白呢？
navigationBar.barTintColor = .white // 背景灰，说好的白色呢？
navigationBar.barTintColor = .clear // 背景白，说好的透明呢？
navigationBar.setBackgroundImage(nil, for: .default) // 去除背景，不一定有效
// 说来说去，还是设置backgroundImage靠谱
// 坑二：子viewController不应该设置导航栏（在统一基类的情况下，可能犯这样的错）
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