Hi,
I've developed a website that works great with Firefox and IE but
cannot work properly with Android browser. The reason that I finally
found out is forms cannot be automatically submitted in Android
browser. Here is the code. On the client, I saw a pop-up window saying
"gears detected usr location" and then it hang there. The server
didn't receive any http request.
But if I add an submit button to the webpage, and after a user
explicitly clicks the submit button, the form is then successfully
submited.
Is it intentionally designed so that automatic form submission is
disabled? Is there a way to enable it? I don't like my workaround
solution; asking users to manually clicking submit button is kind of
annoying.
Thanks,
Hua
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<!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=ISO-8859-1">
<title>User Location Detection</title>
<script type="text/javascript" src="GoogleGears/gears_init.js"></
script>
<script type="text/javascript">
function updatePosition(position) {
alert("gears detected usr location");
document.forms["theForm"].elements["getUsrLoc"].value =
true;
document.forms["theForm"].elements["nextPage"].value =
"printerSelection.jsp";
document.forms["theForm"].elements["usrLocation"].value
=
"latitude="+position.latitude+"\n longitude="+position.longitude;
document.forms["theForm"].submit();
}
function handleError(positionErr) {
alert("gears cannot detect usr location");
document.forms["theForm"].elements["getUsrLoc"].value =
false;
document.forms["theForm"].elements["nextPage"].value =
"usrLocation.jsp";
document.forms["theForm"].submit();
}
function init() {
if (window.google && google.gears) {
// have google gears
alert("gears detected");
var geo =
google.gears.factory.create('beta.geolocation');
geo.getCurrentPosition(updatePosition,
handleError);
}
else {
alert("no gears");
document.forms["theForm"].elements["getUsrLoc"].value = false;
document.forms["theForm"].elements["nextPage"].value =
"installGears.jsp";
document.forms["theForm"].submit();
}
}
</script>
</head>
<body onload="init()">
<div>
<form name="theForm" id="theForm" method="post"
action="mobileInit"
>
<input type="hidden" id="getUsrLoc" name="getUsrLoc"
value="getUsrLoc">
<input type="hidden" id="nextPage" name="nextPage"
value="nextPage">
<input type="hidden" id="usrLocation" name="usrLocation"
value="usrLocation">
</form>
</div>
<div> detect user location, please wait...</div>
</body>
</html>
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