Android webview and webpage JS call each other

Source: Internet
Author: User
Document directory
  • In Android:
  • How to Write in HTML


In Android:

Public voidOncreate (bundle savedinstancestate ){

Super. Oncreate (savedinstancestate );

Setcontentview (R. layout.Main);

FinalWebview web1 = (webview) findviewbyid (R. Id.Web1);

FinalButtonMybutton= (Button) findviewbyid (R. Id.Mybutton);

HandlerH=NewHandler (); // declare a parameter for passing values

Web1.getsettings (). setjavascriptenabled (True); // Determine whether this webview can use JS

Web1.addjavascriptinterface (NewA (), "to2"); // Add the Class Object to the Global Object window of Js.

Web1.loadurl ("file: // android_asset/test.html"); // This is the HTML address for loading the project and put it in the assets folder.

Webviewclient WebClient =NewWebviewclient (){


@ Override

Public voidOnpagefinished (webview view, string URL ){

//TodoAuto-generated method stub

Super. Onpagefinished (view, URL );



Web1.setwebviewclient (WebClient );


ClassA {

Public voidA (){

Here, perform the corresponding logical operation.


How to Write in HTML

<Title> untitled document </title>

<SCRIPT type = "text/JavaScript">

Function F2 (){

Return window. to2.a ();






<Table align = "center" width = "724px" Height = "600px">

<Tr align = "center">

<TD align = "center">

<Input name = "Submit" type = "Submit" value = "jump" onclick = "Return F2 ()"/>






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