[Hybrid App]--Android混合开发,Android、Js的交互

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AndroidJs通信

*:first-child {
margin-top: 0 !important;
}

body>*:last-child {
margin-bottom: 0 !important;
}

/* BLOCKS
=============================================================================*/

p, blockquote, ul, ol, dl, table, pre {
margin: 15px 0;
}

/* HEADERS
=============================================================================*/

h1, h2, h3, h4, h5, h6 {
margin: 20px 0 10px;
padding: 0;
font-weight: bold;
-webkit-font-smoothing: antialiased;
}

h1 tt, h1 code, h2 tt, h2 code, h3 tt, h3 code, h4 tt, h4 code, h5 tt, h5 code, h6 tt, h6 code {
font-size: inherit;
}

h1 {
font-size: 28px;
color: #000;
}

h2 {
font-size: 24px;
border-bottom: 1px solid #ccc;
color: #000;
}

h3 {
font-size: 18px;
}

h4 {
font-size: 16px;
}

h5 {
font-size: 14px;
}

h6 {
color: #777;
font-size: 14px;
}

body>h2:first-child, body>h1:first-child, body>h1:first-child+h2, body>h3:first-child, body>h4:first-child, body>h5:first-child, body>h6:first-child {
margin-top: 0;
padding-top: 0;
}

a:first-child h1, a:first-child h2, a:first-child h3, a:first-child h4, a:first-child h5, a:first-child h6 {
margin-top: 0;
padding-top: 0;
}

h1+p, h2+p, h3+p, h4+p, h5+p, h6+p {
margin-top: 10px;
}

/* LINKS
=============================================================================*/

a {
color: #4183C4;
text-decoration: none;
}

a:hover {
text-decoration: underline;
}

/* LISTS
=============================================================================*/

ul, ol {
padding-left: 30px;
}

ul li > :first-child,
ol li > :first-child,
ul li ul:first-of-type,
ol li ol:first-of-type,
ul li ol:first-of-type,
ol li ul:first-of-type {
margin-top: 0px;
}

ul ul, ul ol, ol ol, ol ul {
margin-bottom: 0;
}

dl {
padding: 0;
}

dl dt {
font-size: 14px;
font-weight: bold;
font-style: italic;
padding: 0;
margin: 15px 0 5px;
}

dl dt:first-child {
padding: 0;
}

dl dt>:first-child {
margin-top: 0px;
}

dl dt>:last-child {
margin-bottom: 0px;
}

dl dd {
margin: 0 0 15px;
padding: 0 15px;
}

dl dd>:first-child {
margin-top: 0px;
}

dl dd>:last-child {
margin-bottom: 0px;
}

/* CODE
=============================================================================*/

pre, code, tt {
font-size: 12px;
font-family: Consolas, "Liberation Mono", Courier, monospace;
}

code, tt {
margin: 0 0px;
padding: 0px 0px;
white-space: nowrap;
border: 1px solid #eaeaea;
background-color: #f8f8f8;
border-radius: 3px;
}

pre>code {
margin: 0;
padding: 0;
white-space: pre;
border: none;
background: transparent;
}

pre {
background-color: #f8f8f8;
border: 1px solid #ccc;
font-size: 13px;
line-height: 19px;
overflow: auto;
padding: 6px 10px;
border-radius: 3px;
}

pre code, pre tt {
background-color: transparent;
border: none;
}

kbd {
-moz-border-bottom-colors: none;
-moz-border-left-colors: none;
-moz-border-right-colors: none;
-moz-border-top-colors: none;
background-color: #DDDDDD;
background-image: linear-gradient(#F1F1F1, #DDDDDD);
background-repeat: repeat-x;
border-color: #DDDDDD #CCCCCC #CCCCCC #DDDDDD;
border-image: none;
border-radius: 2px 2px 2px 2px;
border-style: solid;
border-width: 1px;
font-family: "Helvetica Neue",Helvetica,Arial,sans-serif;
line-height: 10px;
padding: 1px 4px;
}

/* QUOTES
=============================================================================*/

blockquote {
border-left: 4px solid #DDD;
padding: 0 15px;
color: #777;
}

blockquote>:first-child {
margin-top: 0px;
}

blockquote>:last-child {
margin-bottom: 0px;
}

/* HORIZONTAL RULES
=============================================================================*/

hr {
clear: both;
margin: 15px 0;
height: 0px;
overflow: hidden;
border: none;
background: transparent;
border-bottom: 4px solid #ddd;
padding: 0;
}

/* TABLES
=============================================================================*/

table th {
font-weight: bold;
}

table th, table td {
border: 1px solid #ccc;
padding: 6px 13px;
}

table tr {
border-top: 1px solid #ccc;
background-color: #fff;
}

table tr:nth-child(2n) {
background-color: #f8f8f8;
}

/* IMAGES
=============================================================================*/

img {
max-width: 100%
}
-->

Hybird App

Hybrid 开发：JsBridge - Web 和客户端的桥

Hybrid开发中，web页面往往会跟native进行交互，而JSBridge就是web页面和native进行通信的桥梁，通过JSBridge可以实现web调用native的方法，native可以通过webview.loadUrl之类的方法，将javascript:xxx代码放在页面执行，这有点类似在浏览器地址栏直接输入：javascript:xxx

web和native进行通信，JsBridge的多种形式

①JavaScriptInterface

// Android java代码 mWebView.addJavascriptInterface(new Class(), 'android'); public class Class(){ @JavascriptInterface public void method(){} } // js 代码 window.android.method();

②改写浏览器原有对象

通过修改原来浏览器的window某些方法，然后拦截固定规则的参数，然后分发给Java对应的方法去处理。这里常用的是以下四个方法：

alert，可以被webview的onJsAlert监听
confirm，可以被webview的onJsConfirm监听
console.log，可以被webview的onConsoleMessage监听
prompt，可以被webview的onJsPrompt监听

AgentWeb开源框架的基本使用

Android

if(mAgentWeb!=null){ //注入对象 mAgentWeb.getJsInterfaceHolder().addJavaObject("android",new AndroidInterface(mAgentWeb,this.getActivity())); }mAgentWeb.getJsAccessEntrace().quickCallJs("callByAndroidParam","Hello ! Agentweb");mAgentWeb.getJsAccessEntrace().quickCallJs("callByAndroidMoreParams", new ValueCallback<String>() { @Override public void onReceiveValue(String value) { Log.i("Info","value:"+value); } },getJson(),"say:", " Hello! Agentweb");private String getJson(){ String result=""; try { JSONObject mJSONObject=new JSONObject(); mJSONObject.put("id",1); mJSONObject.put("name","Agentweb"); mJSONObject.put("age",18); result= mJSONObject.toString(); }catch (Exception e){ } return result; }

JsBridge

import android.os.Bundle; import android.support.annotation.Nullable; import android.util.Log; import android.view.View; import android.view.ViewGroup; import android.widget.LinearLayout;import com.github.lzyzsd.jsbridge.BridgeHandler; import com.github.lzyzsd.jsbridge.BridgeWebView; import com.github.lzyzsd.jsbridge.BridgeWebViewClient; import com.github.lzyzsd.jsbridge.CallBackFunction; import com.google.gson.Gson; import com.just.agentweb.AgentWeb;/** * Created by cenxiaozhong on 2017/7/1. * source code https://github.com/Justson/AgentWeb */public class JsbridgeWebFragment extends AgentWebFragment { public static JsbridgeWebFragment getInstance(Bundle bundle){ JsbridgeWebFragment mJsbridgeWebFragment =new JsbridgeWebFragment(); if(mJsbridgeWebFragment !=null){ mJsbridgeWebFragment.setArguments(bundle); } return mJsbridgeWebFragment; }private BridgeWebView mBridgeWebView;@Override public String getUrl() { return super.getUrl(); }@Override public void onViewCreated(View view, @Nullable Bundle savedInstanceState) { mBridgeWebView=new BridgeWebView(getActivity()); mAgentWeb = AgentWeb.with(this)// .setAgentWebParent((ViewGroup) view, new LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT))// .useDefaultIndicator(-1, 2)// .setAgentWebWebSettings(getSettings())// .setWebViewClient(new BridgeWebViewClient(mBridgeWebView)) .setWebChromeClient(mWebChromeClient) .setWebView(mBridgeWebView) .setSecurityType(AgentWeb.SecurityType.STRICT_CHECK) // .setDownloadListener (mDownloadListener) 4.0.0 删除该API .createAgentWeb()// .ready()// .go(getUrl()); initView(view); mBridgeWebView.registerHandler("submitFromWeb", new BridgeHandler() { @Override public void handler(String data, CallBackFunction function) { function.onCallBack("submitFromWeb exe, response data 中文 from Java"); } }); User user = new User(); Location location = new Location(); location.address = "SDU"; user.location = location; user.name = "Agentweb --> Jsbridge"; mBridgeWebView.callHandler("functionInJs", new Gson().toJson(user), new CallBackFunction() { @Override public void onCallBack(String data) { Log.i(TAG,"data:"+data); } }); mBridgeWebView.send("hello");}static class Location { String address; }static class User { String name; Location location; String testStr; }}