layer type is set to software. After two days of troubleshooting, found the reason, my program is in the C layer by drawframe (belonging to the glthread thread) to drive the painting, when Glsurfaceview was taken off, Glsurfaceview destroy method is called, I called the end method of the Glthread thread directly in the Destroy method (which belongs to the UI thread). While Glsurfaceview.creat,sizechanged,destroyed is on the UI thread, Render.create,sizechanged,drawframe is on the glthread threa
. addjavascriptinterface (NewMyinterface (), "myobj ");//Step 2 --- register the object name called in JS myobjWebview. loadurl ("File: // android_asset/test.html"); // Step 1: Define the method to be called in JSClass myinterface {Public String getname (){Return "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa ";}}
------------ In javascript :-----
Function myinterface () {document. getelementbyid ("Myname"). innerhtml =Window. myobj. getname ();}
-------------------------------------------------------
Load resources provided by the specified address
OnPageFinished
Webpage loaded
OnPageStarted
Webpage loading started
OnReceivedError
Report error information
OnScaleChanged
WebView changed
ShouldOverrideUrlLoading
Control the opening of new connections in the current WebView
Void setWebChrome
Webview Memory leakage solution 1: webview Leakage
Recently, in the nested webview of the activity, a large number of pictures and texts are displayed, and the APP memory has been rising, so the memory cannot be released. I checked a lot of information, which is probably a BUG in webview. I referenced the activity to c
Android WebView FAQ Solution Rollup:1, Android webview background set to transparent invalidWebView is a handy, powerful control, but because the background color of WebView is white by default, it can appear abrupt in some situations (such as the background is black).At this point I think of setting the background of
WebView usage and addition progress bar, webview addition progress bar
The effect is similar to opening a webpage. a progress bar is displayed on the header to show the loading progress.
1. Load a webpage on Android
webView.loadUrl(urlString);
2. display the page loading and loading progress. However, sometimes onPageStarted and other calls may occur, which may be a webpage issue and cannot be solved.
@ Ove
"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAA";
}
}
------------javascript:-----
Copy Code code as follows:
function MyInterface () {
document.getElementById ("MyName"). InnerHTML = Window.myobj.getname ();
}
WebView control features a powerful, in addition to the general view of the properties and settings, but also the URL request, page load, rendering, page interaction for powe
)Setjavascriptenabled (set whether JavaScript is supported ...).* Customize the Web browsing program via Webviewclient. A class that specifically assists WebView in handling various notifications, requests, and so on. Obtained through webview.setwebchromeclientMethod:Doupdatevisitedhistory (update history)Onformresubmission (Application re-requesting web page data)Onloadresource (load resources provided at the specified address)onpagefinished (Web p
Multi-resolution problems with Android devices
Android Browser default preview mode Browse will reduce the page WebView will be displayed in the original size
The Android browser and webview default to MDPI. HDPI equivalent to MDPI 1.5 times times ldpi equivalent to 0.75 times times
Three ways to solve: 1 viewport attribute 2 CSS control 3 JS
Android recording 25-WebView for offline cache reading, android25-webviewAndroid recording 25-WebView for offline caching
This blog is designed to provide offline download and offline reading functions, which are common in many reading apps. A typical application is Netease news. What is offline download? In fact, this concept is vague, whether it is downloaded offline or offline after the download, but peo
WebView Nested Web pagesFor some reason, we always need to show some complex text, html.fromhtml () can not meet our needs, such as the background editable text in front of the display is more difficult, so in order to solve some complex text display needs to use the webview.Developed through mobile development platforms such as PHONGGAP or ExtJS jquery mobile, etc.The idea is to use a HTML5-developed program to package the platform into apk iOS Winph
Android builds Web applications on WebView, androidwebview
Link: http://developer.android.com/guide/webapps/webview.html
Reference: http://developer.android.com/reference/android/webkit/WebView.html
If you want to implement a Web application (or just a Web page) as part of your application, you can use WebView to implement it. WebView is an extension of the Andro
WebView Loading Method and WebView Loading MethodWebView is loaded in three ways: 1> WebView. loadUrl (String strhtml); used to load the content of a webpage. Note that you need to add the permission "" to store local connections under the assets file, WebView. loadUrl ("file: // android_aasset/html/") 2>
separate layer for this view tree.
PS: the default layertype of glsurfaceview and webview is none.
Glsurfaceview:After glsurfaceview is set to software or hardware, nothing can be drawn. Conclusion: The layer type of glsurfaceview can only be none.
Webview:I encountered a problem when using webview before. If you use animation on webview, the painting area of
usesetJavaScriptEnabled()Enable JavaScript:
WebView myWebView = (WebView) findViewById(R.id.webview);WebSettings webSettings = myWebView.getSettings();webSettings.setJavaScriptEnabled(true);
WebSettings provides many useful settings.Process page browsing
When a user clicks a link in your WebView, the default behavior is that Android starts an app that processes
There are two kinds of caches in WebView: Web data caching (storing open pages and resources), H5 caching (i.e. AppCache).first, the Web cache1. Cache composition/data/data/package_name/cache//data/data/package_name/database/webview.db/data/data/package_name/database/webviewcache.dbThe WebView control is often used in projects, and when an HTML page is loaded, th
of webSettings. supportMult IpleWindows (); // webSettings for multiple windows. setAllowFileAccess (true); // sets webSettings for file access. setNeedInitialFocus (true); // when webview calls requestFocus, it sets the webSettings node for webview. setBuiltInZoomControls (true); // whether built-in button scaling and gesture "Pinch" Scaling are supported. If it is set to false,
Android uses WebView to browse a webpage with sound or video. After WebView is disabled, the solution does not stop sound or video.
I recently used Eclipse to develop an Android mobile app. In fact, one function is to use the WebView control provided by Android to load Web pages. Development is smooth and browsing is
1.WebView
When you use the WebView control, you first need to define a WebView control in the XML layout file, as follows:
1
There are a number of methods available in WebView, for example, we can use the CanGoBack () method to
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