WebViewJavascriptBridge

Additional

Language
JavaScript
Version
v4.0.1 (Jun 19, 2013)
Created
Aug 14, 2013
Updated
Jan 3, 2017 (Retired)
Owner
fangj
Contributors
tanis2000
sergiocampama
sohayb
smoothdvd
stringbean
oakho
fangj
wheam
gotomanners
pj4533
psineur
marcuswestin
chrisvariety
kelp404
zhoulujue
15
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Source code

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WebViewJavascriptBridge

Cross-platform WebViewJavascriptBridge for HTML/Android/Chrome Extension, the javascript interface compatible with WebViewJavascriptBridge

TODO:

  • Use the queue ,cache the message before the client and server both inited.
  • Use the Long-lived connections instead of the Simple one-time requests, Message Passing

Android

To use a WebViewJavascriptBridge in your Android project:

  1. Add "res/raw/webviewjavascriptbridge.js" and "com/fangjian/WebViewJavascriptBridge.java" to your project

  2. Set up the Android side

    bridge=new WebViewJavascriptBridge(this.getApplicationContext(),webView,new UserServerHandler()) ;

    class UserServerHandler implements WebViewJavascriptBridge.WVJBHandler{ @Override public void handle(String data, WebViewJavascriptBridge.WVJBResponseCallback jsCallback) { Log.d("test","Received message from javascript: "+ data); if (null !=jsCallback) { jsCallback.callback("Java said:Right back atcha"); } bridge.send("I expect a response!",new WebViewJavascriptBridge.WVJBResponseCallback() { @Override public void callback(String responseData) { Log.d("test","Got response! "+responseData); } }); bridge.send("Hi"); } }

    bridge.registerHandler("handler1",new WebViewJavascriptBridge.WVJBHandler() { @Override public void handle(String data, WebViewJavascriptBridge.WVJBResponseCallback jsCallback) { Log.d("test","handler1 got:"+data); if(null!=jsCallback){ jsCallback.callback("handler1 answer"); } bridge.callHandler("showAlert","42"); } });

  3. Set up the Javascript side

    console.log("user_client.js called!"); document.addEventListener('WebViewJavascriptBridgeReady' , function(event) { var bridge=event.bridge; bridge.init(function(message, responseCallback) { if (responseCallback) { responseCallback("Right back atcha") ; } }) ; bridge.send('Hello from the javascript'); bridge.send('Please respond to this', function(responseData) { console.log("Javascript got its response "+ responseData); }); bridge.registerHandler("showAlert", function(data) { console.log("alert:"+data); }); bridge.callHandler("handler1","gift for handler1",function(responseData){ console.log("got handler1 response:"+responseData); }); }, false)

Chrome

To use a WebViewJavascriptBridge in your chrome extension:

  1. Add "bridgeClientChrome.js" and "bridgeServerChrome.js" to your manifest.json

    "content_scripts": [ { "matches": [":///*"], "js": ["user_client.js","bridgeClientChrome.js"] } ], "background": { "scripts": ["bridgeServerChrome.js","user_server.js"] },

  2. Set up the background side:

    console.log("user_server.js called!"); bridge.sinit(function(data,responseCallback){ console.log("Received message from javascript: "+data); responseCallback("Right back atcha"); })

    bridge.ssend("Well hello there"); bridge.ssend("Give me a response, will you?", function(responseData) { console.log("Background got its response! "+responseData); })

  3. Set up the foreground side:

    console.log("user_client.js called!"); document.addEventListener('WebViewJavascriptBridgeReady', function onBridgeReady(event) { var bridge = event.bridge bridge.init(function(message, responseCallback) { alert('Received message: ' + message) if (responseCallback) { responseCallback("Right back atcha") } }) bridge.send('Hello from the javascript') bridge.send('Please respond to this', function responseCallback(responseData) { console.log("Javascript got its response", responseData) }) }, false)

HTML

To use a WebViewJavascriptBridge in your HTML page:

  1. Add "bridgeServerHtml.js" and "bridgeClientHtml.js" to your page. bridgeServerHtml.js Must be first and bridgeClientHtml.js Must be last.

    <script src="bridgeServerHtml.js"></script> <script src="user_client.js"></script> <script src="user_server.js"></script> <script src="bridgeClientHtml.js"></script>
  2. Set up the background side:

    console.log("user_server.js called!"); bridge.sinit(function(data,responseCallback){ console.log("Received message from javascript: "+data); if(responseCallback){ responseCallback("Right back atcha"); } }) function serverSend(){ bridge.ssend("Well hello there"); bridge.ssend("Give me a response, will you?", function(responseData) { console.log("Background got its response! "+responseData); }) } setTimeout(serverSend,1000);

  3. Set up the foreground side:

    console.log("user_client.js called!"); document.addEventListener('WebViewJavascriptBridgeReady', function onBridgeReady(event) { var bridge = event.bridge bridge.init(function(message, responseCallback) { alert('Received message: ' + message) if (responseCallback) { responseCallback("Right back atcha") } }) bridge.send('Hello from the javascript') bridge.send('Please respond to this', function responseCallback(responseData) { console.log("Javascript got its response", responseData) }) }, false)

IOS

An iOS/OSX bridge for sending messages between Obj-C and JavaScript in UIWebViews/WebViews.

forked from marcuswestin/WebViewJavascriptBridge.