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- 来自专栏Charlie's Road
didReceiveMemoryWarning iOS开发
app收到Memory Warning后会调用： UIApplication::didReceiveMemoryWarning ->UIApplicationDelegate::applicationDidReceiveMemoryWarning 当收到内存警告时，如果viewcontroller未显示（在后台），会执行didReceiveMemoryWarning -> viewDidUnLoad；如果viewcontroller当前正在显示（ 在前台），则只执行didReceiveMemoryWarning。
3K30发布于 2018-10-19 - 来自专栏sktj
IOS移动开发从入门到精通 视图UIView、层CALayer(1)
view.backgroundColor = UIColor.black view.clipsToBounds=true self.view.addSubview(view) } override func didReceiveMemoryWarning () { super.didReceiveMemoryWarning() // Dispose of any resources that can be recreated. } } 以图片做背景 () { super.didReceiveMemoryWarning() // Dispose of any resources that can be recreated. } } ---- RoundView(frame：CGRect(x：40, y：40,width：240, height：240)) self.view.addSubview(view) } override func didReceiveMemoryWarning () { super.didReceiveMemoryWarning() // Dispose of any resources that can be recreated. } } ----
1.1K30发布于 2019-07-05 - 来自专栏Python疯子
Swift -标签页控制器（UITabBarController）用法
() { super.didReceiveMemoryWarning() // Dispose of any resources that can be recreated. } } self.title = "个人中心" self.view.backgroundColor = UIColor.red } override func didReceiveMemoryWarning () { super.didReceiveMemoryWarning() // Dispose of any resources that can be recreated. } } self.title = "更多" self.view.backgroundColor = UIColor.green } override func didReceiveMemoryWarning () { super.didReceiveMemoryWarning() // Dispose of any resources that can be recreated. } }
3.3K42发布于 2018-09-06 - 来自专栏大宇笔记
Core Animation实战二（寄宿图）
imageLayer.contentsCenter = CGRectMake(0, 0, 0.1, 0.1); [self.view.layer addSublayer:imageLayer]; } - (void)didReceiveMemoryWarning { [super didReceiveMemoryWarning]; // Dispose of any resources that can be recreated. } /* ctx, [UIColor greenColor].CGColor); CGContextStrokeEllipseInRect(ctx, layer.bounds); } - (void)didReceiveMemoryWarning { [super didReceiveMemoryWarning]; // Dispose of any resources that can be recreated. } @end
58330发布于 2019-01-15 - 来自专栏韩曙亮的移动开发专栏
【IOS 开发】基本 UI 控件详解 (UISegmentedControl | UIImageView | UIProgressView | UISlider | UIAlertView )
{ [super didReceiveMemoryWarning]; // Dispose of any resources that can be recreated. } - ( { [super didReceiveMemoryWarning]; // Dispose of any resources that can be recreated. } - ( { [super didReceiveMemoryWarning]; // Dispose of any resources that can be recreated. } - ( { [super didReceiveMemoryWarning]; // Dispose of any resources that can be recreated. } - ( [self.image setAlpha: 0]; } - (void)didReceiveMemoryWarning { [super didReceiveMemoryWarning];
4.7K40编辑于 2023-03-27 - 来自专栏移动端开发
Swift 2.2 协议和代理
super.viewDidLoad() self.view.backgroundColor=UIColor.whiteColor() } override func didReceiveMemoryWarning () { super.didReceiveMemoryWarning() // Dispose of any resources that can be func younameis(name: NSString) { print(name) // caoxiaocao } override func didReceiveMemoryWarning () { super.didReceiveMemoryWarning() // Dispose of any resources that can be recreated
863100发布于 2018-01-09 - 来自专栏大师级码师
iOS 8 实现获取当前定位信息
self.myLocationManager startUpdatingLocation]; }else { NSLog(@"Location services are not enabled"); } } (void)didReceiveMemoryWarning { [super didReceiveMemoryWarning]; // Dispose of any resources that can be recreated. } pragma
59820发布于 2021-10-29 - 来自专栏sktj
IOS UIRefreshControl刷新控件
label.backgroundColor = UIColor.lightGray() cell .addSubview(label) return cell; } override func didReceiveMemoryWarning () { super.didReceiveMemoryWarning() // Dispose of any resources that can be recreated. } } ?
89530发布于 2019-07-08 - 来自专栏KyXu
【iOS开发】修改 present 出来的 ViewController 状态栏颜色
UIApplication.sharedApplication().setStatusBarStyle(UIStatusBarStyle.Default, animated: true) } override func didReceiveMemoryWarning () { super.didReceiveMemoryWarning() } override func viewWillDisappear(animated: Bool
1.5K20发布于 2019-04-11 - 来自专栏大宇笔记
Swift4.0 函数参数（内部外部参数和下划线在函数的作用）
arg1: 2, arg2: 3) funcDemo2(a: 5, b: 2) funcDemo3(2, arg2: 3) } override func didReceiveMemoryWarning () { super.didReceiveMemoryWarning() } func funcDemo1(arg1 a:Int,arg2 b:Int){
2.2K10发布于 2019-01-15 - 来自专栏大宇笔记
Core Animation实战四（视觉效果）
{ [super didReceiveMemoryWarning]; // Dispose of any resources that can be recreated. } @end (__bridge id _Nullable)(image.CGImage); self.maskImage.layer.mask = maskLayer; } - (void)didReceiveMemoryWarning { [super didReceiveMemoryWarning]; // Dispose of any resources that can be recreated. } @end select correct digit view.layer.contentsRect = CGRectMake(digit * 0.1, 0, 0.1, 1.0); } - (void)didReceiveMemoryWarning { [super didReceiveMemoryWarning]; // Dispose of any resources that can be recreated. } @
78820发布于 2019-01-15 - 来自专栏KyXu
【iOS开发】伪造一个 SFSafariViewController
, name: UIDeviceOrientationDidChangeNotification, object: nil) } override func didReceiveMemoryWarning () { super.didReceiveMemoryWarning() } func screenRotate(notification:NSNotification
1.3K10发布于 2019-04-11 - 来自专栏sktj
IOS UITableView UITableViewCell控件
} override func didReceiveMemoryWarning() { super.didReceiveMemoryWarning() // Dispose of any resources
95330发布于 2019-07-08 - 来自专栏sktj
IOS 动画 动态变换背景色和大小
removeFromSuperview() 43 } 44 45 override func didReceiveMemoryWarning() { 46 super.didReceiveMemoryWarning
1.4K20发布于 2019-07-08 - 来自专栏大宇笔记
Core Animation实战五（变换）
transform, 20, 100); //应用到layer self.layerTextView.layer.affineTransform = transform; } - (void)didReceiveMemoryWarning { [super didReceiveMemoryWarning]; // Dispose of any resources that can be recreated. } @end { [super didReceiveMemoryWarning]; // Dispose of any resources that can be recreated. } @ M_PI, 0, 1, 0); [self addFaceViewInContainViewWithTransform:transform andIndex:5]; } - (void)didReceiveMemoryWarning { [super didReceiveMemoryWarning]; // Dispose of any resources that can be recreated. } @end
59530发布于 2019-01-15 - 来自专栏sktj
IOS UITextField 事件列表
UIKeyboardAppearance.dark textField.delegate = self textField.borderStyle = UITextBorderStyle.line } override func didReceiveMemoryWarning () { super.didReceiveMemoryWarning() // Dispose of any resources that can be recreated. } func textFieldShouldBeginEditing
1.3K30发布于 2019-07-08 - 来自专栏阿林前端开发攻城狮
ISO swift下XML数据解析
= ""{ println("\(elementName):\(str)") } } override func didReceiveMemoryWarning () { super.didReceiveMemoryWarning() // Dispose of any resources that can be recreated
1.4K30发布于 2021-10-29 - 来自专栏韩曙亮的移动开发专栏
【IOS 开发】基本 UI 控件详解 (UIDatePicker | UIPickerView | UIStepper | UIWebView | UIToolBar )
{ [super didReceiveMemoryWarning]; // Dispose of any resources that can be recreated. } - ( { [super didReceiveMemoryWarning]; // Dispose of any resources that can be recreated. } - ( { [super didReceiveMemoryWarning]; // Dispose of any resources that can be recreated. } - ( { [super didReceiveMemoryWarning]; // Dispose of any resources that can be recreated. } @end { [super didReceiveMemoryWarning]; // Dispose of any resources that can be recreated. } - (
6.7K40编辑于 2023-03-27 - 来自专栏Python疯子
Swift - MJRefresh库的使用详解1（配置，及库自带的下拉刷新组件）
text = self.items[indexPath.row] return cell } override func didReceiveMemoryWarning() { super.didReceiveMemoryWarning() } } （2）下拉响应方法也可以直接写在闭包（Block）中。 text = self.items[indexPath.row] return cell } override func didReceiveMemoryWarning() { super.didReceiveMemoryWarning() } } 三、MJRefresh下拉样式的修改 1，默认样式 上面的样例使用的就是默认样式。
7.8K31发布于 2018-09-06 - 来自专栏韩曙亮的移动开发专栏
【iOS 开发】基本 UI 控件详解 (UIButton | UITextField | UITextView | UISwitch)
{ [super didReceiveMemoryWarning]; // Dispose of any resources that can be recreated. } - ( { [super didReceiveMemoryWarning]; // Dispose of any resources that can be recreated. } - ( { [super didReceiveMemoryWarning]; // Dispose of any resources that can be recreated. } - ( { [super didReceiveMemoryWarning]; // Dispose of any resources that can be recreated. } - ( { [super didReceiveMemoryWarning]; // Dispose of any resources that can be recreated. } - (
9.1K20编辑于 2023-03-27
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