1.布局
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="net.pericles.andoidab.muiaps.MainActivity">
<WebView
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:id="@+id/wevsss"></WebView>
</RelativeLayout>
2.權限
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="net.pericles.andoidab.muiaps">
<!--添加權限-->
<uses-permission android:name="android.permission.INTERNET"></uses-permission>
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:supportsRtl="true"
android:theme="@style/AppTheme">
<activity android:name=".MainActivity">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
3.本地文件夾創建和調用
AS工程下默認沒有assets文件夾，你要自己創建，創建方式為：依次展開工程下的app文件夾 ->src文件夾，然后選中main文件夾，右鍵選擇New -> Folder -> Assets Folder，這樣可就新建了assets文件夾了
//本地加載html
webViews.loadUrl("file:///android_asset/www/index.html");
4.java代碼及js交互
- package com.example.webview_workflowy;
- import android.app.Activity;
- import android.content.Intent;
- import android.net.Uri;
- import android.os.Bundle;
- import android.webkit.WebView;
- import android.widget.Toast;
- public class MainActivity extends Activity {
- private WebView webView;
- public void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
- setContentView(R.layout.activity_main);
- //加載頁面
- webView = (WebView) findViewById(R.id.webview);
- //允許JavaScript執行
- webView.getSettings().setJavaScriptEnabled(true);
- //找到Html文件，也可以用網絡上的文件
-
webViews.loadUrl("file:///android_asset/www/index.html");// 添加一個對象, 讓JS可以訪問該對象的方法, 該對象中可以調用JS中的方法 - webView.addJavascriptInterface(new Contact(), "contact");
- }
- private final class Contact {
- //JavaScript調用此方法撥打電話
- public void call(String phone) {
- // startActivity(new Intent(Intent.ACTION_CALL, Uri.parse("tel:" + phone)));
- Toast.makeText(MainActivity.this, phone, Toast.LENGTH_LONG).show();
- }
- //Html調用此方法傳遞數據
- public void showcontacts() {
- String json = "[{\"name\":\"zxx\", \"amount\":\"9999999\", \"phone\":\"18600012345\"}]";
- // 調用JS中的方法
- webView.loadUrl("javascript:show('" + json + "')");
- }
- public void toast(String str){
- Toast.makeText(MainActivity.this, "aaaaaaaaaaaa --- " + str, Toast.LENGTH_LONG).show();
- }
- }
- }
5.html
- <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
- <html>
- <head>
- <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
- <title>Insert title here</title>
- <script type="text/javascript">
- function show(jsondata){
- var jsonobjs = eval(jsondata);
- var table = document.getElementById("personTable");
- for(var y=0; y<jsonobjs.length; y++){
- var tr = table.insertRow(table.rows.length);
- var td1 = tr.insertCell(0);
- var td2 = tr.insertCell(1);
- td2.align = "center";
- var td3 = tr.insertCell(2);
- td3.align = "center";
- td1.innerHTML = jsonobjs[y].name;
- td2.innerHTML = jsonobjs[y].amount;
- td3.innerHTML = "<a href='javascript:contact.call(\""+ jsonobjs[y].phone+ "\")'>"+ jsonobjs[y].phone+ "</a>";
- }
- }
- </script>
- </head>
- <body onload="javascript:contact.showcontacts()">
- <button id="button" onclick = "javascript:contact.toast('123')">haha</button>
- <table border="0" width="100%" id="personTable" cellspacing="0">
- <tr>
- <td width="30%">姓名</td>
- <td width="30%" align="center">存款</td>
- <td align="center">電話</td>
- </tr>
- </table>
- </body>
- </html>