java和js互调 拨打电话
Posted znsongshu
tags:
篇首语：本文由小常识网(cha138.com)小编为大家整理，主要介绍了java和js互调 拨打电话相关的知识，希望对你有一定的参考价值。
<!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";
td1.innerHTML = jsonobjs[y].name;
td2.innerHTML = "<a href=‘javascript:android.call(""+ jsonobjs[y].phone+ "")‘>"+ jsonobjs[y].phone+ "</a>";
}
}
</script>
</head>
<body onload="javascript:Android.showcontacts()">
<div align="left">欢迎光临</div>
<p><img src="http://atguigu.com/images/logo.gif"></p>
<table border="0" width="100%" id="personTable" cellspacing="0">
<tr>
<td width="30%">姓名</td>
<td align="center">电话</td>
</tr>
</table>
</body>
</html>
public class JsCallJavaCallPhoneActivity extends Activity {
private WebView webView;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_js_call_java_video);
webView = (WebView) findViewById(R.id.webview);
WebSettings webSettings = webView.getSettings();
//设置支持javaScript脚步语言
webSettings.setJavaScriptEnabled(true);
//支持双击-前提是页面要支持才显示
// webSettings.setUseWideViewPort(true);
//支持缩放按钮-前提是页面要支持才显示
webSettings.setBuiltInZoomControls(true);
//设置客户端-不跳转到默认浏览器中
webView.setWebViewClient(new WebViewClient());
//设置支持js调用java
webView.addJavascriptInterface(new AndroidAndJSInterface(), "Android");
//加载本地资源
// webView.loadUrl("http://atguigu.com/teacher.shtml");
webView.loadUrl("file:///android_asset/JsCallJavaCallPhone.html");
// webView.loadUrl("http://10.0.2.2:8080/assets/JsCallJavaCallPhone.html");
}
class AndroidAndJSInterface {
/**
* 该方法将被js调用,用于加载数据
*/
@JavascriptInterface
public void showcontacts() {
// 下面的代码建议在子线程中调用
String json = "[{"name":"阿福", "phone":"18600012345"}]";
// 调用JS中的方法
webView.loadUrl("javascript:show(‘" + json + "‘)");
}
/**
* 拨打电话
* @param phone
*/
@JavascriptInterface
public void call(String phone) {
Intent intent = new Intent(Intent.ACTION_CALL, Uri.parse("tel:" + phone));
if (ActivityCompat.checkSelfPermission(JsCallJavaCallPhoneActivity.this, Manifest.permission.CALL_PHONE) != PackageManager.PERMISSION_GRANTED) {
return;
}
startActivity(intent);
}
}
}
以上是关于java和js互调 拨打电话的主要内容，如果未能解决你的问题，请参考以下文章