![]() ![]() You passed onProgressWebView to set the isLoading state, and onPageFinishedWebView to check if the URL is valid and toggle isLoading. onProgress and onPageFinished are callback functions that you trigger when the page is loading and finished loading, respectively.You set it to JavascriptMode.unrestricted to enable it. By default, JavaScript execution is disabled. javascriptMode allows you to control what kind of JavaScript can run in your web view.You specified an initialUrl for what page to display first.JavascriptMode: JavascriptMode.unrestricted, Now you can replace the body of buildWebView in the same file with: Start by going to lib/presentation/discover_page/discover_page.dart, and add an import to the WebView package at the top of the file: import 'package:webview_flutter/webview_flutter.dart' Note: The WebView plugin doesn’t support Flutter web, since everything is already a web view. On iOS, the WebViews uses the native WKWebView and on Android, the standard native Android WebView is used. Platform Views can be expensive so use them carefully. On iOS, the WebView These are special widgets that embed native views into Flutter. Flutter WebViews use a technology known as Platform Views. Using WebView, you can simply pass a URL and it loads as a widget inside your app. ![]() Understanding WebViewsįlutter provides you with a way to view webpages inside your app without having to open a browser. Now that you know what the starter project contains, you’ll take a deeper look at WebView. The app launches with the Discover tab selected. lib/presentation/saved_urls_page/saved_urls_page.dart: The page where you display a vertical list of saved webpages.īuild and run.assets/help_page.html: An HTML page that loads the instructions for using the app when you route to an invalid URL.lib/presentation/discover_page/widgets/navigation_controls_widget.dart: The widget class that is part of the footer where you can navigate forward and backward and reload.lib/presentation/discover_page/discover_page.dart: The page that displays a single webpage and allows you to save it or reload it.Replace # TODO: Add dependency for WebView Plugin with: webview_flutter: ^2.0.8Ĭlick on Pub get at the top of the pane when you’re in pubspec.yaml to fetch the dependencies declared in the file.įor this tutorial, the most important files in the project are: This is the plugin you’ll use to demonstrate WebView functionalities in this project. Then, choose the starter folder from the downloaded materials.īefore you fetch the dependencies declared in pubspec.yaml, you’ll add the WebView dependency to the file. Open Android Studio and choose Open an Existing Project. The starter project already contains the logic to get random URLs, save the URLs to the cache and read them from the cache. Now, it’s time to take a look at the project. ![]()
0 Comments
Leave a Reply. |