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cldemo's Introduction

Hi there 👋

  • 🌱 I’m currently learning something about OC and Swift. And record it here.
  • 💬 Ask me about anything here
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cldemo's Issues

关于App切换语言

作者是直接切换了rootViewController,来达到其他页面切换语言的, 但是这样有个问题,假如用户在其他页面有了操作,切换了rootViewController之后,其他页面的操作和状态都没了,感觉不优雅,支付宝这块比微信好很多,支付宝切换多语言之后,其他页面的操作状态都不会有任何变化

搜索页面

并没有像微信通讯录,当前字母可以显示背景颜色

项目运行不了 缺失文件

error: Build input file cannot be found: '/Users/xxx/Downloads/CKD/CKD/Other/Gategory/AutoScale+Extension.swift' (in target 'CLDemo' from project 'CLDemo')

CLRecordVernierCaliperCell 滑動時候卡尺標籤數字沒有切換

版主你好,游標卡尺滑動時候數字沒有跟著更換。
我將 indexValueCallback 改寫到 setItem裡面處理。
其原因是因為self.item在還沒初始化之前他取不到值。所以原先block在guard語句之後就會返回。
後續的函數功能都不會執行。

我的理解是 -> indexValueCallback 不能寫在懶加載定義裡面。因為初始化的時候 自己的CellProtocol 協議還沒有值 self.item 會造成崩潰

所以進行了下面的修改
func setItem(_ item: CLRecordVernierCaliperItem, indexPath: IndexPath) {
self.vernierCaliperView.indexValueCallback = {[weak self] (value) in

        guard let weakSelf = self else { return }       //item -> CLRecordVernierCaliperItem
        weakSelf.item?.value = value.cgFloat
        weakSelf.item?.valueChangeCallback?(value)
        weakSelf.valueLabel.attributedText = weakSelf.attributedString(value, type: item.type)
    }

//其餘代碼
}

您參考看看

CLCellProtocol item属性 get 永远返回nil问题

item需要存储,这里永远return了nil,导致cell里面无法正常获取数据

private var xoAssociationKey: UInt8 = 0

var item: T? {
get {
return objc_getAssociatedObject(self, &xoAssociationKey) as? T
}
set(newValue) {
objc_setAssociatedObject(self, &xoAssociationKey, newValue, objc_AssociationPolicy.OBJC_ASSOCIATION_RETAIN_NONATOMIC)
}
}

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