1.xml
<?xml version="1.0" encoding="utf-8"?>
<WebView xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/webview"
android:layout_width="fill_parent"
android:layout_height="fill_parent" />
2.activity
package com.firefly.hybirdapp;
import android.content.Intent;
import android.net.Uri;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.KeyEvent;
import android.webkit.WebSettings;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.Toast;
public class HomeActivity extends AppCompatActivity {
WebView myWebView;
// String loadUrl = "file:///android_assets/index.html";本地
String netUrl = "http://172.16.46.114:14023/index.html/";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_home);
myWebView = (WebView) findViewById(R.id.webview);
myWebView.loadUrl(netUrl);//加载Url
//设置WebView
myWebView.setWebViewClient(new WebViewClient() {
@Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
view.loadUrl(url);
return true;
}
});
//得到设置类
WebSettings ws = myWebView.getSettings();
ws.setJavaScriptEnabled(true);//允许js脚本
//把js调用的方法写在WebApp
myWebView.addJavascriptInterface(new MyWebAppInterface(this), "android");
}
//按返回键返回上一页
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
// Check if the key event was the Back button and if there‘s history
if ((keyCode == KeyEvent.KEYCODE_BACK) && myWebView.canGoBack()) {
myWebView.goBack();
return true;
}
return super.onKeyDown(keyCode, event);
}
}
3.webApp类
package com.firefly.hybirdapp;
import android.content.Context;
import android.util.Log;
import android.webkit.JavascriptInterface;
/**
* Created by pengdan on 2016/6/27.
*/
public class MyWebAppInterface {
Context context;
public MyWebAppInterface(Context context) {
this.context = context;
}
@JavascriptInterface
public String lookData(String data) {
Log.e("TAG", data + "hello!!");
//返回信息给html
return "hello";
}
}
4.html
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no" />
<title></title>
<script src="js/mui.min.js"></script>
<link href="css/mui.min.css" rel="stylesheet" />
<script type="text/javascript" charset="utf-8">
mui.init();
function look() {
var ua = navigator.userAgent.toLocaleLowerCase();
alert(ua);
//判断是否android
if (/android/.test(ua)) {
//发送消息
var msg = window.android.lookData(‘I am html5‘);
//把接收到的消息写到span里面
document.getElementById(‘span‘).innerHTML = msg;
alert(msg);
}
}
</script>
</head>
<body>
<h1>彭丹</h1>
<button onclick="look()">点击</button>
<span id="span"></span>
</body>
</html>
时间： 2024-10-28 23:55:43