import android.app.Activity; import android.content.Intent; import android.net.Uri; import android.os.Bundle; import android.webkit.WebView; public class MainActivity extends Activity { private WebView webView; public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); //加载页面 webView = (WebView) findViewById(R.id.webView); //允许JavaScript执行 webView.getSettings().setJavaScriptEnabled(true); //找到Html文件，也可以用网络上的文件 webView.loadUrl("file:///android_asset/index.html"); // 添加一个对象, 让JS可以访问该对象的方法, 该对象中可以调用JS中的方法 webView.addJavascriptInterface(new Contact(), "contact"); } private final class Contact { //JavaScript调用此方法拨打电话 public void call(String phone) { startActivity(new Intent(Intent.ACTION_CALL, Uri.parse("tel:" + phone))); } //Html调用此方法传递数据 public void showcontacts() { String json = "[{"name":"zxx", "amount":"9999999", "phone":"18600012345"}]"; // 调用JS中的方法 webView.loadUrl("javascript:show('" + json + "')"); } } }
<!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()"> <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">电话</td> </tr> </table> </body> </html>