//升级程序

    .factory('UpdateService', function ($rootScope, $cordovaAppVersion, $cordovaFileTransfer, $timeout, $ionicLoading, $cordovaFileOpener2, $http, $ionicPopup, xc) {

        //检查更新

        var checkUpdate = function () {

            $cordovaAppVersion.getVersionNumber().then(function (v) {

                var url = xc.server.domain + 'update/checkNew/' + xc.app.id + '/android/' + v;

                $http.get(url)

                    .error(function () {

                        console.log('从服务器获取数据失败!');

                    })

                    .then(function (response) {

                            var data = response.data;

                            var compatible_binary = data.compatible_binary;

                            var update_available = data.update_available;

                            if (compatible_binary && update_available) {

                                var url = xc.server.domain + data.update.url;

                                showUpdateConfirm(url, data.info || '');

                            }

                        }

                    );

            });

        };

        /**

         *

         * @param url

         * @param info

         */

        var showUpdateConfirm = function (url, info) {

            var confirmPopup = $ionicPopup.confirm({

                title: '版本升级',

                template: info.toString().replace(/\n/g, '<br />'),

                cancelText: '取消',

                okText: '升级'

            });

            confirmPopup.then(function (res) {

                if (res) {

                    $rootScope.process = 0;

                    $ionicLoading.show({

                        template: '<ion-spinner icon="bubbles" class="spinner-assertive spinner spinner-bubbles"></ion-spinner><br>已经下载：{{process}}%'

                    });

                    var targetPath = cordova.file.externalDataDirectory + "update.apk";//APP下载存放的路径，可以使用cordova file插件进行相关配置

                    var trustHosts = true;

                    var options = {};

                    $cordovaFileTransfer.download(url, targetPath, options, trustHosts).then(function (result) {

                        // 打开下载下来的APP

                        //console.log(JSON.stringify(result));

                        $cordovaFileOpener2.open(targetPath, 'application/vnd.android.package-archive'

                        ).then(function () {

                        }, function (err) {

                        });

                        $ionicLoading.hide();

                    }, function (err) {

                        alert('下载失败');

                    }, function (progress) {

                        //进度，这里使用文字显示下载百分比

                        $timeout(function () {

                            var downloadProgress = (progress.loaded / progress.total) * 100;

                            $rootScope.process = Math.floor(downloadProgress);

                            if (downloadProgress > 99) {

                                $ionicLoading.hide();

                            }

                        })

                    });

                } else {

                    // 取消更新

                }

            });

        };

        return {

            checkUpdate: checkUpdate

        }

    })