UIScreen
2013-12-07 14:57
267 查看
UIScreen是跟屏幕相关的类,使用也比较简单。
1、获取当前的screen
UIScreen * mainScreen = [UIScreen mianScreen];
2、获取当前screen的frame
CGRect frame = mainScreen.applicationFrame ; //为 0 20 320 460
3、获取当前screen的bounds
CGRect bounds = mainScreen.bounds; //为0 0 320 480
4、获取scale
UIFloat f = [UIScreen
mainScreen].scale;
1、获取当前的screen
UIScreen * mainScreen = [UIScreen mianScreen];
2、获取当前screen的frame
CGRect frame = mainScreen.applicationFrame ; //为 0 20 320 460
3、获取当前screen的bounds
CGRect bounds = mainScreen.bounds; //为0 0 320 480
4、获取scale
UIFloat f = [UIScreen
mainScreen].scale;
相关文章推荐
- IOS开发中的UIScreen、UIView、UIWindow和UIViewController
- [[UIScreen mainScreen] scale]
- IOS学习笔记2-IOS屏幕 [[UIScreen mainScreen] bounds] 与[UIScreen mainScreen] applicationFrame]区别
- UIScreen(屏幕)、UIWindow(画框)、UIView(画布)、didFinishLaunchingWithOptions的概念
- UIScreen
- [UIScreen mainScreen].bounds;与[UIScreen mainScreen].applicationFrame;的区别
- UIScreen, UIWindow
- iOS-UIScreen,UIView,UIWindow和UIViewController的介绍和区别
- [[UIScreen mainScreen] applicationFrame] 和 [[UIScreen mainScreen] bounds]的区别
- [UIScreen MainScreen].bounds.size获取屏幕尺寸不准确
- UIScreen,UIView,UIWindow和UIViewController的介绍和区别
- IOS开发中的UIScreen、UIView、UIWindow和UIViewController
- IOS开发中的UIScreen、UIView、UIWindow和UIViewController
- [[UIScreen mainScreen] bounds]和 applicationFrame
- iOS8中的[UIScreen mainScreen].bounds 和 [UIScreen mainScreen].applicationFrame(下)
- UI ⼿势识别器UIScreenEdgePanGestureRecognizer
- iOS [UIScreen mainScreen].bounds 获取屏幕大小不对的问题
- [[UIScreen mainScreen] bounds]和 applicationFrame的区别
- IOS 的 7 中手势的介绍 和详细使用(UIGestureRecognizer) UIScreenEdgePanGestureRecognizer
- ios8和之前系统[UIScreen mainScreen].bounds的不一样