原文地址:
http://www.cnblogs.com/zjz008/archive/2011/05/11/2043710.html
viewWillAppear:
Called when the view is about to made visible. Default does nothing
视图即将可见时调用。默认情况下不执行任何操作
viewDidAppear:
Called when the view has been fully transitioned onto the screen. Default does nothing
视图已完全过渡到屏幕上时调用
viewWillDisappear:
Called when the view is dismissed, covered or otherwise hidden. Default does nothing
视图被驳回时调用,覆盖或以其他方式隐藏。默认情况下不执行任何操作
viewDidDisappear:
Called after the view was dismissed, covered or otherwise hidden. Default does nothing
视图被驳回后调用,覆盖或以其他方式隐藏。默认情况下不执行任何操作
loadView;
This is where subclasses should create their custom view hierarchy if they aren't using a nib. Should never be called directly.
这是当他们没有正在使用nib视图页面,子类将会创建自己的自定义视图层。绝不能直接调用。
viewDidLoad;
Called after the view has been loaded. For view controllers created in code, this is after -loadView. For view controllers unarchived from a nib, this is after the view is set.
在视图加载后被调用,如果是在代码中创建的视图加载器,他将会在loadView方法后被调用,如果是从nib视图页面输出,他将会在视图设置好后后被调用。
分享到:
相关推荐
可以滑动查看, 各个ViewController的 viewDidLoad , viewWillAppear, viewDidAppear,viewWillDisAppear, viewDidDisappear都会正确的执行(翻页到对应的ViewController时才会调用viewDidLoad, viewWillAppear,...
学长发我的,我无耻的分享给大家了。 希望大家对于那些 viewdidload viewwillappear 的调用顺序有个了解。
loadView和viewDidLoad、viewDidUnLoad区别
animated)}支持以下生命周期事件: UIViewController生命周期挂钩: viewDidLoad viewWillAppear viewDidAppear viewWillDisappear viewDidDisappear UIView生命周期挂钩: didMoveToWindow 注意:操作是在对象自己...
loadView,viewDidLoad,viewDidUnload,这三个函数到底应该怎么用? 搜索一下,全是转载,大概内容是这样: loadView 手动加载view viewDidLoad用于nib文件加载后,进一步处理 viewDidUnload是viewDidLoad的镜像 ...
NULL 博文链接:https://justsee.iteye.com/blog/1626231
RxViewController UIViewController和NSViewController的RxSwift包装器。 乍看上去 ... var viewWillAppear: ControlEvent var viewDidAppear: ControlEvent var viewWillDisappear: ControlEvent var
使用块将tableView数据源和委托方法移动到viewDidLoad中 具有不同类别的多细胞到单个阵列 xib细胞和none-xib细胞均受支持 用法 //cells for cell models NSDictionary *modelCellMap = @{ @"DemoCellModel":@"Demo...
// // APViewController.m // AliSDKDemo // // Created by 方彬 on 11/29/13. ...// #import "APViewController.h" ...- (void)viewDidLoad { [super viewDidLoad]; [self generateData]; } #pragma mark -
override func viewDidLoad() { super.viewDidLoad() view.theme_backgroundColor = GlobalPicker.backgroundColor } @IBAction @objc(tapRed:) func tapRed(_ sender: AnyObject) { MyThemes....
- (void)viewDidLoad { [super viewDidLoad]; // Do any additional setup after loading the view, typically from a nib. NewViewController *newController = [[UIStoryboard storyboardWithName:@"Main" ...
override func viewDidLoad() { super.viewDidLoad() self.navBarBgAlpha = 0 self.navBarTintColor = .white } func scrollViewDidScroll(_ scrollView: UIScrollView) { if scrollView....
知道这两这的区别后这些方法也就容易辨认多了,viewDidLoad其实没什么可混淆的,无论通过什么途径加载(Xcode或者IB,这里的加载属于实例化)完view后肯定会执行这个方法. loadView需要分两种情况.当你通过Xcode实例化...
但是区别也很明显,因为函数肯定是在-viewDidLoad方法外面定义,而Block变量定义在了viewDidLoad方法内部。当然,我们也可以把Block定义在-viewDidLoad方法外部,例如上面的代码块printNumBlock的定义,就在-...
- (void)viewDidLoad { [super viewDidLoad]; self.view.backgroundColor = [UIColor whiteColor]; [self initpicCount:9]; // Do any additional setup after loading the view, typically from a ...
- (void)viewDidLoad { [super viewDidLoad]; StudentModel *student = [[StudentModel alloc] init]; student.name = @"A"; NSArray *array = @[[InfoModel new], [InfoModel new], [InfoModel new]]; ...
在 viewDidLoad 中设置 rightBarButtonItem 会导致 bug 产生。bug 是概率性发生的,不易复现。 override func viewDidLoad() { super.viewDidLoad() // 在 viewDidLoad 中设置 rightBarButtonItem self....
override func viewDidLoad() { super.viewDidLoad() // case1: var color = UIColor(red: 25/255, green: 144/255, blue: 211/255, alpha: 1) self.navigationController?.navigationBar.overlayColor = color...
AZTools 快速集成pod 'AZTools'常用分类UIView+AZGradientUIViewController+AZPushAndPopNSObject+AZSafeAreaUIButton+AZCountDown- (void)viewWillAppear:(BOOL)animated { [super viewWillAppear:animated];...