WebView
(Field Listing-FL App)
Contents
- What is Webview?
- How to use
- Methods
What is Webview?
WebView app : Composed primarily of Javascript, CSS, and HTML files. Basically, app is one or more web pages. These web pages make up frontend interface.
WebView : The window through which the device displays these web pages.
How to use
In order to add WebView to your application, you have to add <WebView> element to your xml layout file
Syntax :
WebView xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/webview"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
/><?xml version="1.0" encoding="utf-8"?>
<WebView xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/webview"
android:layout_width="match_parent"
android:layout_height="match_parent" />How to use
To use it, get a reference of this view . To get a reference, create an object of the class WebView
Syntax :
WebView browser = (WebView) findViewById(R.id.webview);_webView = FindViewById<WebView>(Resource.Id.webview);How to use
To load a web url into the WebView, you need to call a method loadUrl(String url) of the WebView class, specifying the required url
Syntax :
browser.loadUrl("http://www.tutorialspoint.com");// Prepare Web App URL.
string baseUrl = $"http://127.0.0.1:{WebService.ServerPort}/index.html";
string appUrl = ViewModel.CreateRequestUrl(baseUrl);
_webView.LoadUrl(appUrl);Methods in WebView
| Methods | Description |
|---|---|
| canGoBack() | Specifies the WebView has a back history item |
| canGoForward() | Specifies the WebView has a forward history item |
| clearHistory() | Clear the WebView forward and backward history |
| destroy() | Destroy the internal state of WebView |
| findAllAsync(String find) | Find all instances of string and highlight them |
| getProgress() | Gets the progress of the curent page |
| getTitle() | Return the title of the current page |
| getUrl() | Return the url of the current page |
References
WebView
By nur amirah
WebView
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