{"id":24428,"date":"2022-12-02T23:28:43","date_gmt":"2022-12-02T17:58:43","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-swift-populate-uitableview-before-app-is-loaded\/"},"modified":"2022-12-02T23:28:43","modified_gmt":"2022-12-02T17:58:43","slug":"solved-swift-populate-uitableview-before-app-is-loaded","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-swift-populate-uitableview-before-app-is-loaded\/","title":{"rendered":"[Solved] Swift populate UITableView before App is loaded"},"content":{"rendered":"<p> [ad_1]<br \/>\n<\/p>\n<div id=\"answer-44651132\" class=\"answer js-answer accepted-answer js-accepted-answer\" data-answerid=\"44651132\" data-parentid=\"44650871\" data-score=\"1\" data-position-on-page=\"1\" data-highest-scored=\"1\" data-question-has-accepted-highest-score=\"1\" itemprop=\"acceptedAnswer\" itemscope itemtype=\"https:\/\/schema.org\/Answer\">\n<div class=\"post-layout\">\n<div class=\"votecell post-layout--left\"><\/div>\n<div class=\"answercell post-layout--right\">\n<div class=\"s-prose js-post-body\" itemprop=\"text\">\n<p>You cannot access and populate <em>any view<\/em> before it is loaded, and it does so only once the whole application has been loaded. A <code>UITableView<\/code> is a subclass of <code>UIView<\/code>, so the same applies in this case.<\/p>\n<blockquote>\n<p>&#8220;I want to do this because when tab with TableView is clicked first time -&gt; Data loading takes about 1-2 sec.&#8221;<\/p>\n<\/blockquote>\n<p>If you retrieve your data from an external online database, you can load your data when the app launches, inside:<\/p>\n<pre><code>func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -&gt; Bool \n<\/code><\/pre>\n<p>And later you can pass your data to your table view in any effective way, such that it only takes time to pass the data, and not to retrieve it. But all this depends on what kind and what amount of data you are retrieving.<\/p>\n<\/p><\/div>\n<div class=\"mt24\"><\/div>\n<\/div>\n<p>            <span class=\"d-none\" itemprop=\"commentCount\"><\/span> <\/p><\/div>\n<\/div>\n<p>[ad_2]<\/p>\n<p>solved Swift populate UITableView before App is loaded <\/p>\n","protected":false},"excerpt":{"rendered":"<p>[ad_1] You cannot access and populate any view before it is loaded, and it does so only once the whole application has been loaded. A UITableView is a subclass of UIView, so the same applies in this case. &#8220;I want to do this because when tab with TableView is clicked first time -&gt; Data loading &#8230; <a title=\"[Solved] Swift populate UITableView before App is loaded\" class=\"read-more\" href=\"https:\/\/jassweb.com\/solved\/solved-swift-populate-uitableview-before-app-is-loaded\/\" aria-label=\"More on [Solved] Swift populate UITableView before App is loaded\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[320],"tags":[522,548],"class_list":["post-24428","post","type-post","status-publish","format-standard","hentry","category-solved","tag-swift","tag-uitableview"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>[Solved] Swift populate UITableView before App is loaded - JassWeb<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jassweb.com\/solved\/solved-swift-populate-uitableview-before-app-is-loaded\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] Swift populate UITableView before App is loaded - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] You cannot access and populate any view before it is loaded, and it does so only once the whole application has been loaded. 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