我有一個標籤欄應用程序,一切正常。我可以旋轉設備,並且可以在各種Tab Bar View控制器上正常工作。 las,有人建議幾個視圖控制器需要幫助頁面。為此,我創建了一個新的ViewController,其中包含UIWebView(可以將幫助內置到HTML文件中)。 我創建新的“ HelpViewController”,如下所示: mpHelpPage = [[[HelpPageViewController alloc] init]; [mTabBarController.view addSubview:mpHelpPage.view]; [mpHelpPage保留]; mpHelpPage.view.alpha = 0.75f; 當我處於肖像模式時,這將沒有任何問題地顯示幫助頁面。不幸的是,當我處於橫向模式並執行上面的代碼時,它在Portrait中添加了HelpViewController(這意味著它從屏幕底部伸出)。 這樣,當我在上面分配ViewController時,我需要某種方法來告訴ViewController旋轉到當前設備方向。 但是,我對如何使它做到這一點感到困惑。任何幫助將非常感激!
2020-12-24 08:18:17
我通過在viewWillAppear中放置方向檢查來解決這種煩惱: 如果(self.interfaceOrientation == UIInterfaceOrientationPortrait || self.interfaceOrientation == UIInterfaceOrientationPortraitUpsideDown){ //自定義代碼或調用willRotate }其他{ //自定義代碼或調用willRotate } 如果您願意,也可以這樣做 如果(UIDeviceOrientationIsPortrait(self.interfaceOrientation)){ //自定義代碼或調用willRotate }其他{ //自定義代碼或調用willRotate } | 您應該在ViewController的willRotateToInterfaceOrientation:duration:中設置子視圖的幀屬性 或者您編寫自己的視圖並在視圖的layoutSubviews中設置框架屬性 添加的子視圖應處理其子視圖的佈局。 | 由於您已將HelpViewController添加為子視圖,並且沒有UIViewController對其進行控制,因此不會調整其大小。您可以通過檢測當前UIViewController的shouldAutorotateToInterfaceOrientation:方法中方向的變化來手動調整HelpViewController的視圖大小。此方法將當前方向作為其參數傳遞,因此只需檢查哪個是當前方向,並相應地將框架設置為: -(BOOL)應該AutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation { if((interfaceOrientation == UIInterfaceOrientationLandscapeLeft)||(interfaceOrientation == UIInterfaceOrientationLandscapeRight)) mpHelpPage.view.frame = CGRectMake(0,0,480,300); 其他 mpHelpPage.view.frame = CGRectMake(0,0,320,460); 返回是; } 或者,不嘗試將HelpViewController添加為子視圖,請嘗試[self.navigationController pushViewController:HelpViewController animation:YES]; | 你的答案 StackExchange.ifUsing(“ editor”,function(){ StackExchange.using(“ externalEditor”,function(){ StackExchange.using(“ snippets”,function(){ StackExchange.snippets.init(); }); }); },“代碼段”); StackExchange.ready(function(){ var channelOptions = { 標籤:“” .split(“”), id:“ 1” }; initTagRenderer(“”。split(“”),“” .split(“”),channelOptions); StackExchange.using(“ externalEditor”,function(){ //如果啟用了摘要,則必須在摘要後觸發編輯器 如果(StackExchange.settings.snippets.snippetsEnabled){ StackExchange.using(“ snippets”,function(){ createEditor(); }); } 其他{ createEditor(); } }); 函數createEditor(){ StackExchange.prepareEditor({ useStacksEditor:否, heartbeatType:“答案”, autoActivateHeartbeat:否, convertImagesToLinks:是, noModals:是的, showLowRepImageUploadWarning:是的, 聲望:ToPostImages:10, bindNavPrevention:正確, 後綴:“”, imageUploader:{ brandingHtml:“採用\ u003ca href = \“ https://imgur.com/ \” \ u003e \ u003csvg class = \“ svg-icon \” width = \“ 50 \” height = \“ 18 \” viewBox = \“ 0 0 50 18 \” fill = \“ none \” xmlns = \“ http://www.w3.org/2000/svg \” \ u003e \ u003cpath d = \“ M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.74.6 4.313.6412 4.313.6662 43.1481 6.59048V11.9512C43.1481 13.2535 43.6264 13.8962 44.6595 13.8962C45.6924 13.8962 46.1709 13.2535 46.1709 11.9512V9.17788Z \“ / \ u003e \ u003cpath d = \” M32.492 10.1419C32.492 12.6954 34.1182 14.048437.0451 14.0484 41.5985 12.6954 41.5985 10.1419V6.59049C41.5985 5.28821 41.1394 4.66232 40.1061 4.66232C39.0732 4.66232 38.5948 5.28821 38.5948 6.59049V9.60062C38.5948 10.8521 38.2696 11.5455 37.0451 11.5455C35.8209 11.5455 35.4954 10.8 521 35.4954 9.60062V6.59049C35.4954 5.28821 35.0173 4.66232 34.0034 4.66232C32.9703 4.66232 32.492 5.28821 32.492 6.59049V10.1419Z \“ / \ u003e \ u003cpath fill-rule = \” evenodd \“ clip-rule = \” evenodd \“ d = \“ M25.6622 17.6335C27.8049 17.6335 29.3739 16.9402 30.2537 15.6379C30.8468 14.7755 30.9615 13.5579 30.9615 11.9512V6.59049C30.9615 5.28821 30.4833 4.66231 29.4502 4.66231C28.9913 4.66231 28.4555 4.94978 28.1109 5.50789C6.723 4.5608.787 .1369 4.56087 21.0134 6.57349 21.0134 9.27932C21.0134 11.9852 23.003 13.913 25.3754 13.913C26.5612 13.913 27.4607 13.4902 28.1109 12.6616C28.1109 12.7229 28.1161 12.7799 28.121 12.8346C28.1256 12.8854 28.1301 12.9342 28.1301 12.983C27.24.8349 1.437 15.2321 24.1352 14.9821 23.5661 14.7787C23.176 14.6393 22.8472 14.5218 22.5437 14.5218C21.7977 14.5218 21.2429 15.0123 21.2429 15.6887C21.2429 16.7375 22.9072 17.6335 25.6622 17.6335ZM24.1317 9.27932C24.1317 7.94324 24.9928 7.09766 26.1024 27.2119 7.09766 28.0918 7.94324 28.0918 9.27932C28.0918 10.6321 27.2311 11.5116 26.1024 11.5116C24.9737 11.5116 24.1317 10.6491 24.1317 9.27932Z \“ / \ u003e \ u003cpath d =” \ M16.8045 11.9512C16.8045 13.2535 17.2637 13.89629.3 19.8079 13.2535 19.8079 11.9512V8.12928C19.80795.82936 18.4879 4.62866 16.4027 4.62866C15.1594 4.62866 14.279 4.98375 13.3609 5.88013C12。 13.2535 5.47873 13.8962 6.51203 13.8962C7.54479 13.8962 8.0232 13.2535 8.0232 11.9512V8.90741C8.0232 7.58817 8.44431 6.91179 9.53458 6.91179C10.5104 6.91179 10.893 7.58817 10.893 8.94108V11.9512C10.893 13.93 8.94108V11.9512C10。 .90741C13.9157 7.58817 14.3365 6.91179 15.4269 6.91179C16.4027 6.91179 16.8045 7.58817 16.8045 8.94108V11.9512Z \“ / \ u003e \ u003cpath d = \” M3.31675 6.59049C3。 6.59049V11.9512C0.313354 13.2535 0.791758 13.8962 1.82471 13.8962C2.85798 13.8962 3.31675 13.2535 3.31675 11.9512V6.59049Z \“ / \ u003e \ u003cpath d = M1.87209 0.400291C0.843612 0 .400291 0 1.1159 0 1.98861C0 2.87869 0.822846 3.57676 1.87209 3.57676C2.90056 3.57676 3.7234 2.87869 3.7234 1.98861C3.7234 1.1159 2.90056 0.400291 1.87209 0.400291Z \ ==#1BB7600 \ u003c / a \ u003e“, contentPolicyHtml:“根據\ u003ca href = \許可的用戶貢獻” https://stackoverflow.com/help/licensing \“ \ u003ecc by-sa \ u003c / a \ u003e \ u003ca href = \” https://stackoverflow.com /法律/內容政策\“ \ u003e(內容政策)\ u003c / a \ u003e”, allowUrls:是 }, onDemand:是的, throwSelector:“。discard-answer” ,立即ShowMarkdownHelp:true,enableTables:true,enableSnippets:true }); } }); 感謝您為Stack Overflow提供答案! 請務必回答問題。提供詳細信息並分享您的研究! 但是要避免... 尋求幫助,澄清或回答其他答案。 根據意見發表聲明;用參考或個人經驗來備份它們。 要了解更多信息,請參見有關編寫出色答案的提示。 草稿已保存 草稿丟棄 註冊或登錄 StackExchange.ready(function(){ StackExchange.helpers.onClickDraftSave('#login-link'); }); 使用Google註冊 使用Facebook註冊 使用電子郵件和密碼註冊 提交 以訪客身份發布 名稱 電子郵件 必需,但從未顯示 StackExchange.ready( 函數(){ StackExchange.openid.initPostLogin('.New-post-login','https%3a%2f%2fstackoverflow.com%2fquestions%2f7404930%2fauto-resizing-a-view-when-rotated%23new-answer',' question_page'); } ); 以訪客身份發布 名稱 電子郵件 必需,但從未顯示 發表您的答案 丟棄 點擊“發布答案”,即表示您同意我們的服務條款,隱私政策和Cookie政策 不是您要找的答案?瀏覽標記為iphone Objective-c uiviewcontroller自動旋轉的其他問題,或詢問您自己的問題。