支持JavaScript通过bridge桥注册可供Java调用的函数

Author: lemon

app/src/main/assets/demo.html

@@ -11,15 +11,15 @@
         document.addEventListener('WebViewJavascriptBridgeReady',
             function () {
                 toast('inject finished');
-                window['easyBridge'].resultBack = function (parameters, callback) {
+                window.easyBridge.registerHandler('resultBack', function (parameters, callback) {
                     if (typeof callback == 'function') {
                         callback(parameters);
                     }
-                };
+                });
             }, false);
 
         function toast(params = 'toast data') {
-            window['easyBridge'].callHandler('toast', 'toast with:' + params + 'at ' + new Date().toLocaleString());
+            window.easyBridge.callHandler('toast', 'toast with:' + params + 'at ' + new Date().toLocaleString());
         }
     </script>
 </head>

easybridge/src/main/assets/easybridge.js

@@ -31,7 +31,7 @@
             parameters = args || {};
             parameters = JSON.stringify(parameters);
         }
-        //the name '_easybridge' is an java object that mapping to a javascript onject,using addJavaInterface in Java code
+        //the name '_easybridge' is an java object that mapping to a javascript object,using addJavaInterface in Java code
         if (window._easybridge) {
             setTimeout(function () {
                 //the function enqueue is the pubic method from Java Code,using to call Java logic
@@ -42,6 +42,11 @@
         }
     }
 
+    //the function for JavaScript to register handler that Java Code Can Executed
+    function registerHandler(handlerName, handler) {
+        window[bridgeName][handlerName] = handler;
+    }
+
     //the function for Java Code to invoked JavaScript function 
     function _executeScript(handlerName, parameters, callbackId) {
         if (!handlerName) {
@@ -104,6 +109,7 @@
     //init the bridge object
     window[bridgeName] = {
         callHandler: callHandler,
+        registerHandler: registerHandler,
         _executeScript: _executeScript,
         _dispatchResult: _dispatchResult,