Android WebKit initialization process

Take Android 4.2 as an example

1, Android 4.2 webviewclassic.java webview.java proxy class Span style= "font-family: ' Dejavu Serif ', Serif;" >

2, After the program runs browser load First webkit So.

Webviewcore.java, apk load only once after running .

　　　　Static {

//Load Libwebcore and libchromium_net during static initialization.

//This happens in the zygote process so they'll be shared read-only

//Across all app processes.

Try {

　　　　　　　　System. loadLibrary ("chromium_net");

　　　　　　　　System. loadLibrary ("WebCore");

　　　　　　} catch (Unsatisfiedlinkerror e) {

　　　　Log. e (logtag, "Unable to load native support libraries." );

　　　　}

3,loadlibary the corresponding JNI is initialized. will framwork layer webkit with C + + corresponding to the Layer Association .

the main processing in WebCoreJniOnLoad.cpp

Static Registrationmethod gwebcoreregmethods[] = {

{"Javabridge", Android::registerjavabridge},

{"Webframe", android::registerwebframe},

{"Webviewcore", Android::registerwebviewcore},

{"WebHistory", android::registerwebhistory},

{"Webicondatabase", android::registerwebicondatabase},

{"Websettingsclassic", android::registerwebsettings},

#if ENABLE (DATABASE)

{"WebStorage", android::registerwebstorage},

#endif

{"WebView", Android::registerwebview},

{"Viewstateserializer", Android::registerviewstateserializer},

{"Geolocationpermissions", android::registergeolocationpermissions},

{"Mockgeolocation", android::registermockgeolocation},

#if ENABLE (VIDEO)

{"Html5audio", Android::registermediaplayeraudio},

{"Html5videoviewproxy", Android::registermediaplayervideo},

#endif

{"Devicemotionandorientationmanager", Android:: Registerdevicemotionandorientationmanager},

{"Cookiemanager", Android::registercookiemanager},

{"CacheManager", Android::registercachemanager},

};

4. Create WebView:

Webview1 = (WebView) Findviewbyid (r.id. WebView1

after the row is called , The initial webkit,java will be and C + + the key class of the layer .

Android WebKit initialization process