跨平台移动开发_PhoneGap 再次点击返回键切换到桌面效果
PhoneGap 再次点击返回键切换到桌面效果
相关代码
<!DOCTYPE html>
<html>
<head>
<title>
PhoneGap Device Ready Example
</title>
<link
href="content/css/themes/default/jquery.mobile.structure-1.4.0-beta.1.min.css"
rel="stylesheet"
type="text/css"/>
<link href="content/css/themes/default/jquery.mobile-1.4.0-beta.1.min.css" rel="stylesheet" type="text/css"/>
<script src="content/js/jquery.js" type="text/javascript">
</script>
<script src="content/js/jquery.mobile-1.4.0-beta.1.js" type="text/javascript">
</script>
<script src="content/js/cordova.js" type="text/javascript">
</script>
<script type="text/javascript">
//提示信息
function showAlert(text) {
$.mobile.loading( "show", {
text: text,
textVisible: true,
theme: "b",
textonly: true
});
}
function Alert(text) {
console.log('Alert');
console.log('text');
showAlert(text);
}
//退出app
function exitApp() {
console.log('exitApp');
navigator.app.exitApp();
}
</script>
<script type="text/javascript">
$(function(){
//当PhoneGap被完全加载后会触发该事件。
document.addEventListener('deviceready',onDeviceReady,false);
})
// PhoneGap准备就绪，可以使用！
function onDeviceReady() {
document.addEventListener('backbutton',Backbutton,false);
}
function Backbutton(){
Alert('再次点击返回键切换到桌面!');
document.removeEventListener("backbutton", Backbutton, false);
document.addEventListener("backbutton", exitApp, false);
var intervalID = window.setTimeout(function() {
$.mobile.loading( "hide" );
window.clearTimeout(intervalID);
document.removeEventListener("backbutton", exitApp, false);
document.addEventListener("backbutton", Backbutton, false);
}, 3000);
}
</head>
<body>
</body>
</html>
源代码示例包[调试通过]
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