); Set enable or disable access to file data(2) Setbuiltinzoomcontrols (Boolean enabled); Set whether scaling is supported(3) setdefaultfontsize (int size); Set the default font size(4) setjavascriptenabled (Boolean flag); Set whether JavaScript is supported(5) Setsupportzoom (Boolean support); Set whether Zoom is supported3.WebViewClientWebviewclient is mainly used to assist WebView to handle various notif
with WebView is invoked to enable the JavaScript invocation feature.
Invokes the WebView Addjavascriptinterface (object, String name) method to expose an object object to a JavaScript object.
Invoke the Android method with the name object you just exposed in the JavaScript script.
Write an instance of calling the
Use of webview in Android Development
The android network has powerful functions. The webview component can directly load webpages and treat them as a browser. To implement this function, follow these steps:
1. Declare webview in the layout File
2. instantiate
is initialized:public void Int () { if (Build.VERSION.SDK_INT >=) { webview.getsettings (). setloadsimagesautomatically ( true); } else { webview.getsettings (). setloadsimagesautomatically (false);} }At the same time, rewrite the onpagefinished () method in the Webviewclient subclass of WebView to add the following code:@Overridepublic void onpagefinished (WebView view, String URL)
the page and the logical data that needs to interact with the Android native environment are transmitted through it.
2) initialize the WebView in the corresponding Activity.
mWebView = (WebView) findViewById(R.id. html5_webview );WebSettings webSettings = mWebView.getSettings();webSettings.setJavaScriptCanOpenWindowsAutomatically( true );webSettings.setJavaSc
Recently used WebView to load the URL Display Web page in the app, by pasting a simple example.For general applications, there is no need for complex processing logic when it comes to displaying Web pages, but the novice may encounter a problem with the process: (Daniel can ignore it)1, call the Webview.loadurl () method, will still invoke the system browser;2. Press the Back button to exit the interface di
SummaryAs an Android developer, we all know that a high-performance WebKit kernel browser is built into the phone, encapsulated in the SDK as a component called WebView. Let's talk about how to use WebView in Android today.This article original, reprint please specify address: http://blog.kymjs.com/As an
involve JavaScript security issues, and JavaScript can attack by reflecting the related classes of this Java object.Link: Android WebView summary--java and JavaScript interactionLink: JS vulnerability exists with WebView component Addjavascriptinterface method under Android 4.2 versionpublic void Evaluatejavascript (S
This example describes the Android WebView component usage. Share to everyone for your reference, specific as follows:If you want WebView to be able to access the network, you must add permissions within Androidmanifest.xml
Main.xml is very simple, is a webview
Webviewdemoactivity.java Code:
An important update for Android KitKat is that WebView uses the Chromium/blink rendering engine, which briefly describes the main features of the new version of WebView, where further improvements are needed, and the code structure of WebView.WebView Past LifeWebView is a very important system component on the
second method:1. Declare webview in the layout file2, in the activity of the instantiation of WebView3, call WebView Loadurl () method, set Wevview to display the page4. To enable WebView to respond to hyperlinks, call the Setwebviewclient () method to set the WebView view5
second method:1. Declare webview in the layout file2, in the activity of the instantiation of WebView3, call WebView Loadurl () method, set Wevview to display the page4. To enable WebView to respond to hyperlinks, call the Setwebviewclient () method to set the WebView view5
second method:1. Declare webview in the layout file2, in the activity of the instantiation of WebView3, call WebView Loadurl () method, set Wevview to display the page4. To enable WebView to respond to hyperlinks, call the Setwebviewclient () method to set the WebView view5
second method:1. Declare webview in the layout file2, in the activity of the instantiation of WebView3, call WebView Loadurl () method, set Wevview to display the page4. To enable WebView to respond to hyperlinks, call the Setwebviewclient () method to set the WebView view5
The author recently developed the Android mobile app app using Eclipse, and there's actually a feature to load the Web page with the WebView control that comes with the Android system. Development is smooth and browsing is normal. However, one of the more special is that there is a sound or video in the loaded Web page
In recent work, basically has been using WebView, today to tidy it up:WebView as the name implies, is to put a Web page, a look is very simple, but it is not so simple to use the control. First you definitely want to define, initialize a webview, in fact there are many examples on the net, I here simply put some webview The most important properties that may be
:
Mwebview = (webview) Findviewbyid (R.id.webview);
Mwebview.getsettings (). Setjavascriptenabled (true);
Mwebview.addjavascriptinterface (New Jsinterface (), "Jsinterface");
Mwebview.loadurl ("file:///android_asset/html/test.html");
Permissions to add:
When you click on the Load menu, run the screenshot below: (in theory, there should be a graphical interface)
Figure II: Actual running results, listing the files in
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