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javascript - html 5 代码在使用 phonegap 的 android 上不起作用

转载 作者:行者123 更新时间:2023-11-29 22:03:32 25 4
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<html>
<head>
<title>Cordova Offline Example</title>

<script type="text/javascript" charset="utf-8" src="cordova-1.9.0.js"></script>
<script type="text/javascript" charset="utf-8">

// Call onDeviceReady when Cordova is loaded.
//
// At this point, the document has loaded but cordova-1.9.0.js has not.
// When Cordova is loaded and talking with the native device,
// it will call the event `deviceready`.
//

function Network(){
if(navigator.onLine)
{
alert('You are Online');
}
else
{
alert('You are Offline')
}
}
</script>
</head>
<body >
<input type="button" value="Check Network" onclick="Network()" />
</body>
</html>

我正在尝试使用 html 代码检查网络连接。如果我在本地计算机上的 crome 上运行此代码,它可以正常工作,但为什么它不能在 android 上运行。

最佳答案

它有一些特定于 phonegap 的事件你必须用于某些任务,比如互联网连接检查问题

这是一个你可以检查互联网连接的例子

<!DOCTYPE html>

navigator.network.connection.type 示例

<script type="text/javascript" charset="utf-8" src="phonegap-1.0.0.js"></script>
<script type="text/javascript" charset="utf-8">

// Wait for PhoneGap to load
//
document.addEventListener("deviceready", onDeviceReady, false);

// PhoneGap is loaded and it is now safe to make calls PhoneGap methods
//
function onDeviceReady() {
checkConnection();
}

function checkConnection() {
var networkState = navigator.network.connection.type;

var states = {};
states[Connection.UNKNOWN] = 'Unknown connection';
states[Connection.ETHERNET] = 'Ethernet connection';
states[Connection.WIFI] = 'WiFi connection';
states[Connection.CELL_2G] = 'Cell 2G connection';
states[Connection.CELL_3G] = 'Cell 3G connection';
states[Connection.CELL_4G] = 'Cell 4G connection';
states[Connection.NONE] = 'No network connection';

alert('Connection type: ' + states[networkState]);
}

</script>

一个对话框将报告网络状态。

有关更多详细信息,请查看此 Connection

关于javascript - html 5 代码在使用 phonegap 的 android 上不起作用,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/11374246/

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