luqinbin / QBUITheme

iOS13主题管理,适配暗黑模式

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QBUITheme

iOS13主题管理,支持暗黑模式

QBUITheme Document

Introduction

QBUITheme为iOS13适配暗黑模式提供了统一便捷的API,更接近于之前iOS12及更早版本的编码方式;提供了系统主题模式切换监听;

QBUITheme内部实现了几个动态类:

  1. QBDynamicImage(QBUITheme内部私有类):

    自定义的动态UIImage,提供类似于iOS13原生动态UIColor:UIDynamicProviderColor(iOS13 SDK内部私有类)的动态图片功能;

  2. QBDynamicVisualEffect(QBUITheme内部私有类):

    自定义的动态UIVisualEffect,效果与QBDynamicImage类似,提供动态能力;

How To Use

  1. 使用QBUIThemeManagerInit()函数初始化QBUITheme;

  2. 当主题发生变化时会发出这个通知 extern NSNotificationName const QBUIThemeDidChangeNotification;

    可以订阅,用于处理其他业务逻辑;

API Instructions

/// 创建动态 UIColor 使用iOS13系统UIDynamicProviderColor

/// @param lightColor UIUserInterfaceStyleLight 模式下的颜色

/// @param darkColor UIUserInterfaceStyleDark 模式下的颜色

/// @note 低于 iOS 13.0 统一返回lightColor

+ (UIColor *)dynamicColorWithLightColor:(UIColor *)lightColor darkColor:(UIColor *)darkColor;

case:

UIColor *dyColor = [UIColor dynamicColorWithLightColor:UIColor.redColor darkColor:UIColor.yellowColor];

self.view.backgroundColor = dyColor;

/// 创建动态 UIColor 使用iOS13系统UIDynamicProviderColor

/// @param lightProvider UIUserInterfaceStyleLight 模式下的颜色生成闭包

/// @param darkProvider UIUserInterfaceStyleDark 模式下的颜色生成闭包

/// @note 低于 iOS 13.0 统一返回lightColor

+ (UIColor *)dynamicColorWithLightProvider:(QBColorProvider)lightProvider darkProvider:(QBColorProvider)darkProvider;

/// 创建动态 UIImage 使用自定义的QBDynamicImage

/// @param lightImage UIUserInterfaceStyleLight 模式下的UIImage

/// @param darkImage UIUserInterfaceStyleDark 模式下的UIImage

/// @note 低于iOS 13.0 统一返回lightImage

+ (UIImage *)qbDynamicImageWithLightImage:(UIImage *)lightImage darkImage:(UIImage *)darkImage;

case:

UIImage *image = [UIImage qbDynamicImageWithLightImage:[UIImage imageNamed:@"image1"] darkImage:[UIImage imageNamed:@"image2"]];

self.imageView = [[UIImageView alloc]initWithImage:image];

/// 创建动态 UIImage 使用自定义的QBDynamicImage

/// @param lightProvider UIUserInterfaceStyleLight 模式下的UIImage生成闭包

/// @param darkProvider UIUserInterfaceStyleDark模式下的UIImage生成闭包

+ (UIImage *)qbDynamicImageWithLightProvider:(QBImageProvider)lightProvider darkProvider:(QBImageProvider)darkProvider;

/// 创建动态 UIVisualEffect 使用自定义的QBDynamicVisualEffect

/// @param lightEffect UIUserInterfaceStyleLight 模式下的UIVisualEffect

/// @param darkEffect UIUserInterfaceStyleDark 模式下的UIVisualEffect

/// @note 如果低于 iOS 13.0 统一返回lightEffect

+ (UIVisualEffect *)qbDynamicEffectWithLightEffect:(UIVisualEffect *)lightEffect darkEffect:(UIVisualEffect *)darkEffect;

/// 创建动态 UIVisualEffect 使用自定义的QBDynamicVisualEffect

/// @param lightEffectProvider UIUserInterfaceStyleLight 模式下的UIVisualEffect生成闭包

/// @param darkEffectProvider UIUserInterfaceStyleDark 模式下的UIVisualEffect生成闭包

/// @note 如果低于 iOS 13.0 统一返回lightEffect

+ (UIVisualEffect *)qbDynamicEffectWithLightEffectProvider:(QBVisualEffectProvider)lightEffectProvider

​ darkEffectProvider:(QBVisualEffectProvider)darkEffectProvider;

case:

UIBlurEffect *blurEffect = (UIBlurEffect *)[UIBlurEffect qbDynamicEffectWithLightEffectProvider:^UIVisualEffect * _Nonnull{

​ return [UIBlurEffect effectWithStyle:UIBlurEffectStyleLight];

​ } darkEffectProvider:^UIVisualEffect * _Nonnull{

​ return [UIBlurEffect effectWithStyle:UIBlurEffectStyleDark];

​ }];

UIVisualEffectView *effectView = [[UIVisualEffectView alloc]initWithEffect:blurEffect];

[self.view addSubview:effectView];

CALayer功能扩展,支持DynamicColor、DynamicImage

color相关:

CALayer CGColorRef 类型相关的几个property只支持赋值CGColorRef类型数据,QBUITheme给CALayer新增扩展支持UIColor(包括DynamicColor)类型对象赋值;

/// 静态类型强转

/// @param color UIColor

FOUNDATION_EXPORT CGColorRef staticCast(UIColor *color);

staticCast函数用于将UIColor类型静态强转成CGColorRef类型,欺骗编译器使编译通过,运行时QBUITheme会做动态解析;

UIColor *dyColor = [UIColor dynamicColorWithLightColor:UIColor.redColor darkColor:UIColor.yellowColor];

layer.backgroundColor = staticCast(dyColor);

layer.borderColor = staticCast(dyColor);

layer.shadowColor = staticCast(dyColor);

@note:

以下两种写法效果相同:

layer.backgroundColor = staticCast(UIColor.redColor);

layer.backgroundColor = (__block void *)UIColor.redColor.CGColor;

contents相关:

CALayer contents 属性支持动态图片,QBUITheme给CALayer新增扩展支持UIImage(包括QBDynamicImage)类型对象赋值;

case:

UIImage *image = [UIImage qbDynamicImageWithLightImage:[UIImage imageNamed:@"image1"] darkImage:[UIImage imageNamed:@"image2"]];

self.view.layer.contents = image;

@note:

以下两种写法效果相同:

self.view.layer.contents = [UIImage imageName:@"image1"];

self.view.layer.contents = (__bridge id)([UIImage imageName:@"image1"].CGImage);

建议:

动态图片请统一使用:

+ (UIImage *)qbDynamicImageWithLightImage:(UIImage *)lightImage darkImage:(UIImage *)darkImage;

不推荐使用iOS13新增的Assets模版,向低版本兼容是个大麻烦!

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iOS13主题管理,适配暗黑模式

License:MIT License


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