Activity代码:
package com.example.reg;import android.app.Activity;import android.os.Bundle;import android.util.Log;import android.webkit.WebView;import com.example.reg.bean.MyObject;public class WebViewActivity extends Activity{ private static final String tag = WebViewActivity.class.getSimpleName(); @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.webview); WebView webview = (WebView) findViewById(R.id.web_view); webview.getSettings().setJavaScriptEnabled(true); //webview.loadUrl("http://www.baidu.com"); webview.addJavascriptInterface(new MyObject(this), "myObj"); webview.loadUrl("file:///android_asset/html/test.html"); Log.d(tag, "执行结束.."); } }
MyObject代码:
package com.example.reg.bean;import android.R;import android.app.AlertDialog;import android.content.Context;import android.widget.Toast;public class MyObject { Context mContext; public MyObject(Context mContext) { super(); this.mContext = mContext; } public void showToast(String name){ Toast.makeText(mContext, name, Toast.LENGTH_LONG).show(); } public void showList(){ new AlertDialog.Builder(mContext) .setTitle("图书列表") .setIcon(R.drawable.ic_btn_speak_now) .setItems(new String[]{"xx1","xx2","xx3"}, null) .setPositiveButton("确定", null) .create() .show(); }}
html路径:
\reg\assets\html\test.html \reg 是项目名称
html代码:
js..调用Android..
如果要在本地页面中引入外部css文件则添加如下代码:
<!--引入css文件-->
<link rel="stylesheet" href="file:///android_asset/html/style.css" type="text/css"/>