Ionic路由问题排查

/*
 * Android返回键退出
 */
$scope.listenbackbutton = function() {
document.addEventListener("plusready", onPlusReady, false);
 
function onPlusReady() {
plus.key.addEventListener("backbutton", function() {
if ($location.path() == '/tab/index') {
if (plus.os.name == "Android") {
$ionicLoading.show({
template: "再次点击返回键退出立马送药"
});
$timeout(function() {
$ionicLoading.hide();
plus.key.removeEventListener("backbutton", function() {
});
return;
}, 1000);
plus.key.addEventListener("backbutton", function() {
localStorage.addrTag = '';
localStorage.addrid = '';
plus.runtime.quit();
});
} else {
outSet("此平台不支持直接退出程序，请按Home键切换应用");
}
} else {
$ionicHistory.goBack();
}
 
});
}
}
$scope.listenbackbutton();