IOS Intro - IOS ViewController Life Cycle ViewController ViewController是IOS开发中MVC模式中的C,ViewController是view的controller,ViewController的职责主要包括管理内部各个view的加载显示和卸载,同时负责与其他ViewController的通信和协调。 在IOS中,有两类ViewController,一类是显示内容的,比如UIViewController、UITableV...
关于private methods,正常情况下ViewController里面不应该写 不是delegate方法的,不是event response方法的,不是life cycle方法的,就是private method了。对的,正常情况下ViewController里面一般是不会存在private methods的,这个private methods一般是用于日期换算、图片裁剪啥的这种小功能。这种小功能要么把它写成一个categor...
然后要求业务工程师写代码的时候按照顺序来分配代码块的位置,先是life cycle,然后是Delegate方法实现,然后是event response,然后才是getters and setters。这样后来者阅读代码时就能省力很多。 每一个delegate都把对应的protocol名字带上,delegate方法不要到处乱写,写到一块区域里面去 比如UITableViewDelegate的方法集就老老...
比如在写ViewController时,我之前给团队制定的规范就是前面一段全部是getter setter,然后接下来一段是life cycle,viewDidLoad之类的方法都在这里。然后下面一段是各种要实现的Delegate,再下面一段就是event response,Button的或者GestureRecognizer的都在这里。然后后面是private method。一般情况下,如果做好拆分,ViewControl...
转自http://casatwy.com/iosying-yong-jia-gou-tan-viewceng-de-zu-zhi-he-diao-yong-fang-an.html 前言《iOS应用架构谈 开篇》出来之后,很多人来催我赶紧出第二篇。这一篇文章出得相当艰难,因为公司里的破事儿特别多,我自己又有点私事儿,以至于能用来写博客的时间不够充分。现在好啦,第二篇出来了。当我...
#pragma mark - life cycle- (void)viewDidLoad{[superviewDidLoad];self.view.backgroundColor = [UIColor whiteColor];[self.view addSubview:self.firstTableView];[self.view addSubview:self.secondTableView];[self.view addSubview:self.firstFilterLabel];[self.view addSubview:self.secondFilterLabel]...
So it is with Season 2 of “Squid Game,” the smash Korean series about a secret island where life’s unfortunates play deadly games in the hope of walking away with a fortune. Lee Jung-jae reprises his role as Song Gi-hun, who in the first season won the game (meaning he was the...
A modifier that must resolve to a concrete modifier in an environment before use. Responding to view life cycle updates funconAppear(perform: (() ->Void)?) ->someView Adds an action to perform before this view appears. funconDisappear(perform: (() ->Void)?) ->someView ...
Registers a handler to invoke in response to a user activity that your app receives. View Life Cycle func onAppear(perform: (() -> Void)?) -> some View Adds an action to perform before this view appears. func onDisappear(perform: (() -> Void)?) -> some View Adds an action to pe...
life cycle 在viewDidLoad里面只做addSubview的事情 在viewWillAppear不做视图位置的修改,而用来更新Form数据 在viewWilllayoutSubview或者didLayoutSubview里改变位置,且在viewDidLayoutSubview确定UI位置关系之后设置autoLayout比较稳妥 viewWillLayoutSubviews虽然在lifeCycle里调用顺序在viewWillAppear之后,但是只有在页面元...