当用户点击Android后退按钮时，导航2个屏幕？ （PhoneGap的）

Question

当用户点击Android的后退按钮时，如何让应用导航2个屏幕？

以下代码：

if(document.getElementById("HomeCtrl") != undefined){
        navigator.notification.confirm(messages[appLanguage].exitFromApp, function(buttonIndex){
            if(buttonIndex == 1){
                navigator.app.exitApp();
            };
        }, messages[appLanguage].appName, ["Ok","Cancel"])
        this.preventDefault();
    } else if(document.getElementById("BookCabController") != undefined){
        angular.element(document.getElementById("BookCabController")).scope().navigationService.back();
    } else if(document.getElementById("ReviewAndConfirmController") != undefined){
        angular.element(document.getElementById("ReviewAndConfirmController")).scope().navigationService.back();            
    }
}

Answer 1

这应该适合你。

document.addEventListener("deviceready", onDeviceReady, false);
    function onDeviceReady() {
        document.addEventListener("backbutton", onBackKeyDown, false );
}

function onBackKeyDown() {
    history.go(-2);
}