JavaScriptInterface（）不是在Android平台 [英] JavaScriptInterface() is not working in android
本文介绍了JavaScriptInterface（）不是在Android平台的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
我参考以下链接的 HTTP：//$c$c.google.com/intl/en/apis/maps/articles/android_v3.html#why
我拿出放了同一code，但是当我改变了HTML code这样的，
i got out put for the same code, but when i changed the html code like this,
这是我的HTML code
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="initial-scale=1.0, user-scalable=no"/>
<meta http-equiv="content-type" content="text/html; charset=UTF-8"/>
<title>Google Maps JavaScript API v3 Example: Directions Simple</title>
<link href="http://code.google.com/apis/maps/documentation/javascript/examples/default.css" rel="stylesheet" type="text/css" />
<script type="text/javascript" src="http://maps.google.com/maps/api/js?sensor=false"></script>
<script type="text/javascript">
var directionDisplay;
var directionsService = new google.maps.DirectionsService();
var map;
function initialize() {
directionsDisplay = new google.maps.DirectionsRenderer();
var chicago = new google.maps.LatLng(41.850033, -87.6500523);
var myOptions = {
zoom:7,
mapTypeId: google.maps.MapTypeId.ROADMAP,
center: chicago
}
map = new google.maps.Map(document.getElementById("map_canvas"), myOptions);
directionsDisplay.setMap(map);
}
function calcRoute() {
var start ;
var end ;
if (window.android){
start= window.android.getsource();
end = window.android.getdestination();
}
var request = {
origin:start,
destination:end,
travelMode: google.maps.DirectionsTravelMode.DRIVING
};
directionsService.route(request, function(response, status) {
if (status == google.maps.DirectionsStatus.OK) {
directionsDisplay.setDirections(response);
}
});
}
</script>
</head>
<body onload="initialize()">
<div>
<input id="latlng" type="textbox" value="Chicago">
<input id="latlng1" type="textbox" value="Kingman">
</div>
<div>
<input type="button" value="Get Route" onclick="calcRoute()">
</div>
<div id="map_canvas"></div>
</body>
</html>
这里是我的Android code
package com.example.test;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import android.app.Activity;
import android.content.Context;
import android.content.pm.ActivityInfo;
import android.os.Bundle;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.Toast;
public class tset extends Activity {
private static final String MAP_URL = "http://192.168.1.119:81/fulfed1.html";
private WebView webView;
public static String disp;
@Override
/** Called when the activity is first created. */
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
webView = (WebView) findViewById(R.id.webview);
webView.getSettings().setJavaScriptEnabled(true);
//Wait for the page to load then send the location information
webView.setWebViewClient(new WebViewClient());
webView.loadUrl(MAP_URL);
/** Allows JavaScript calls to access application resources **/
webView.addJavascriptInterface(new JavaScriptInterface(), "android");
this.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
}
/** Sets up the WebView object and loads the URL of the page **/
public class JavaScriptInterface
{
public String getsource(){
return "Washington";
}
public String getdestination(){
return "Newyork";
}
}
}
我没有在点击获取路线按钮，在我的html code越来越路线方向，请大家帮帮忙有什么错我的code。
i am not getting route direction upon click on "Get route" button in my html code,please help what's wrong in my code.
推荐答案
我找到了答案，其实我已经转换成ASCII字符串....
I found the answer, actually i have converted ascii to string....
这篇关于JavaScriptInterface（）不是在Android平台的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！
查看全文
