The previous article mainly explains how to call Java functions in Js.
Address: http://blog.csdn.net/andyhuabing/article/details/7590481
This article uses JS and Java to call each other to solve the relationship between each other.
First, describe the important code:
Key code in Android:
Webview. getsettings (). setjavascriptenabled (true );
Webview. addjavascr
In application development, you need to obtain the title of the current WebView page, which may be achieved through rewriting the WebChromeClient. onReceivedTitle () method.
As follows:
The Code is as follows:
Public class MainActivity extends Activity {public void onCreate (Bundle savedInstanceState) {super. onCreate (savedInstanceState); setContentView (R. layout. main_layout); final TextView txtTitle = (TextView) findViewById(R.id.txt Title); fin
This example introduces the simplest usage of WebView and shows HTML links. In fact, WebView has more functions than that. You can basically use WebView to implement your own browser.
WebView uses WebKit to implement front-flip, back, zoom in, zoom out, and search for webpages. To enable the built-in zoom control, you
Android.webkit.WebView itself is a browser implementation, and its kernel is based on the open source WebKit engine.Common methods:void GoBack (): Backvoid GoForward (): Forwardvoid Loadurl (String URL): Load Web pageBoolean zoomin (): Enlarge Web pageBoolean zoomout (): Shrinking Web pageFor more information, please refer to the official documentation (DOCS/REFERENCE/ANDROID/WEBKIT/WEBVIEW.HTML)1. Load the URL corresponding to the pageWebView
content, you must use JS to call JAVA code.Class Handler {@ JavascriptInterface // This is required for api level17. If this parameter is not added, no error is reported, that is, no call is required. It took one and a half hours to complete. Public void show (String data) {Log. d ("Google Login", "handler, show, data =" + data); System. out. println ("data =" + data) ;}} webview. getSettings (). setJavaScriptEnabled (true); // sets the
Android.webkit.WebView itself is a browser implementation, and its kernel is based on the open source WebKit engine.Common methods:void GoBack (): Backvoid GoForward (): Forwardvoid Loadurl (String URL): Load Web pageBoolean zoomin (): Enlarge Web pageBoolean zoomout (): Shrinking Web pageFor more information, please refer to the official documentation (DOCS/REFERENCE/ANDROID/WEBKIT/WEBVIEW.HTML)1. Load the URL corresponding to the pageWebView
Android WebView and androidwebview
How can I open a Web site in an Android app? Google provides us with a solution. Now let's take a look at the WebView control.
To facilitate the summary, we will summarize the following results:
First, let's take a look at its layout file. The entire interface is divided into two par
Android cannot actively call the test results of recent projects.
Webview. loadUrl ("javascript:" + callbackFunction + "('" + data + "')"); this method transmits data of the jsonobject type to js, because js gets a string object.
At the same time, js actively calls the android object method, and android cannot return
WebView's activity configuration, add:Android:hardwareaccelerated= "true"(The official document explains that:Hardware acceleration is enabled by the default if your Target API level is >=14Http://developer.android.com/guide/topics/graphics/hardware-accel.htmlSo only need to modify the next manifest file, do not need to set this property is also possible)2. You have to add this code, do not understand why, but add this will be able to playWebview.setwebchromeclient (New Webchromeclient ()); (Mu
This article describes how to invoke the WebView component of Android in unity to implement an internal browser-style page switch. First open eclipse to create an Android project:Unitytestactivity.java entry activity, unity will invoke the method in this activity to open the Web page.
Package Com.xys;
Import Android.content.Context;
Import android.con
In Android applications, the JavaScript code in WebView can be called directly, while the JavaScript code in WebView can also be called to the Android application (that is, the JAVA part of the code). The following examples illustrate:1. JAVASCRIPT Script calls Android progr
Android provides a WebView object for web browsing.1, want to use WebView, first should give permission:internet.2. WebView Loading HTML Document3. Call Android object in WebView using javascript: websettings.setjavascriptenabled
Android webview switches the screen through html5 to play online videos, and webviewhtml5
1. Add Network Access Permissions
2. Add full screen support developer official documentation for webview. Descriptions of html5 video playback are as follows: In order to support inline HTML5 video in your application, you need to have hardware acceleration turned on, an
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