WebViewJavascriptBridge


Source link: https://github.com/fangj/WebViewJavascriptBridge

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.

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