Question

在应用程序中更改语言时，我需要根据所选语言更改应用程序布局。

例如，基本语言是英语;当用户将其更改为阿拉伯语时，我需要根据RTL更改UI。

在storyboard或ViewController中是否有用于实现LTR和RTL的特定设置？

Answer 1

管理RTL和LTR而不关闭应用程序Swift 3.0。

<强> // RTL

UIView.appearance（）。semanticContentAttribute = .forceRightToLeft UINavigationBar.appearance（）。semanticContentAttribute = .forceRightToLeft

// applicationNavigationController是Application Default Navigation Controller 如果让applicationNavigationController = storyboard？.instantiateViewController（withIdentifier：＆＃34; root＆＃34;）{ UIApplication.shared.keyWindow？.rootViewController = applicationNavigationController

<强> LTR //

UIView.appearance（）。semanticContentAttribute = .forceLeftToRight UINavigationBar.appearance（）。semanticContentAttribute = .forceLeftToRight 如果让applicationNavigationController = storyboard？.instantiateViewController（withIdentifier：＆＃34; root＆＃34;）{ UIApplication.shared.keyWindow？.rootViewController = applicationNavigationController

//与MMDrawer达成交易时的其他提示。

<强>的AppDelegate

var centerContainer：MMDrawerController？

在一个ViewController中实现MMDrawer代码。

让appdelegate = UIApplication.shared.delegate为！的AppDelegate

    let mainStoryboard:UIStoryboard=UIStoryboard(name: "Main", bundle: nil)

    let centerViewController = mainStoryboard.instantiateViewController(withIdentifier: "HomeViewController") as! HomeViewController
    let leftViewController = mainStoryboard.instantiateViewController(withIdentifier: "LeftSideMenuViewController") as! LeftSideMenuViewController



    let leftSideNav = UINavigationController(rootViewController: leftViewController)
    let centerNav = UINavigationController(rootViewController: centerViewController)


    appdelegate.centerContainer = MMDrawerController(center: centerNav, leftDrawerViewController: leftSideNav)

    appdelegate.centerContainer?.maximumLeftDrawerWidth = 250.0


    appdelegate.centerContainer!.openDrawerGestureModeMask = MMOpenDrawerGestureMode.panningCenterView
    appdelegate.centerContainer!.closeDrawerGestureModeMask = MMCloseDrawerGestureMode.all

    //////////
    self.navigationController?.pushViewController(appdelegate.centerContainer!, animated: false)

iOS应用程序中的LTR到RTL [不关闭应用程序]

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