update

src/service/appUpdate.service.ts

-import { AppVersion } from '@ionic-native/app-version';
-import { FileOpener } from '@ionic-native/file-opener';
-import { FileTransfer, FileTransferObject } from '@ionic-native/file-transfer';
-import { File } from '@ionic-native/file';
-import { Injectable } from '@angular/core';
-import { AlertController } from 'ionic-angular';
-import { AppService, AppGlobal } from './http.service'
-
-declare var cordova: any;
+import {AppVersion} from '@ionic-native/app-version';
+import {FileOpener} from '@ionic-native/file-opener';
+import {FileTransfer, FileTransferObject} from '@ionic-native/file-transfer';
+import {File} from '@ionic-native/file';
+import {Injectable} from '@angular/core';
+import {AlertController} from 'ionic-angular';
+import {AppService, AppGlobal} from './http.service'
 
 @Injectable()
 export class AppUpdateService {
 
     constructor(private appVersion: AppVersion,
-        private fileOpener: FileOpener,
-        private fileTransfer: FileTransfer,
-        private fileTransferObject: FileTransferObject,
-        private file: File,
-        private alertCtrl: AlertController,
-        private appService: AppService,
-       
+                private fileOpener: FileOpener,
+                private fileTransfer: FileTransfer,
+                private fileTransferObject: FileTransferObject,
+                private file: File,
+                private alertCtrl: AlertController,
+                private appService: AppService,
     ) {
 
     }
 
     //检查是否需要软件更新
-    detectionUpgrade(apkUrl, allowChoose,newVersion) {
+    detectionUpgrade(apkUrl, allowChoose, newVersion) {
         if (allowChoose) {
             this.alertCtrl.create({
                 title: '升级提示',
                 subTitle: `发现最新版本v${newVersion},是否立即升级？`,
-                buttons: [ {
+                buttons: [{
                     text: '确定',
                     handler: () => {
                         this.downloadApp(apkUrl);
@@ -74,18 +71,20 @@ export class AppUpdateService {
             const blob = xhr.response;
             const fileName = 'temp.apk';
             if (blob) {
-                let path = cordova.plugin.file.externalDataDirectory;
-                cordova.plugin.writeFile(path, fileName, blob, {
+                let path = this.file.externalDataDirectory;
+                console.log(path);
+                this.file.writeFile(path, fileName, blob, {
                     replace: true
                 }).then(
                     () => {
-                        cordova.plugin.fileOpener.open(
-                        path + fileName,
-                        'application/vnd.android.package-archive'
-                    ).catch((err) => {
-                        this.appService.alert('打开apk失败！'+err);
-                    })
-                }).catch((err) => {
+                        console.log(`open`);
+                        this.fileOpener.open(
+                            path + fileName,
+                            'application/vnd.android.package-archive'
+                        ).catch((err) => {
+                            this.appService.alert('打开apk失败！' + err);
+                        })
+                    }).catch((err) => {
                     this.appService.alert('失败！');
                 })
             }