ionic3 升级

// 注：下载成功后如果app无法自动安装，提示exposed beyond app through Intent.getData()，需要修改AndroidManifest.xml，可以在platforms/android/app/src/main/AndroidManifest.xml 中找到文件，尽量保持android:targetSdkVersion版本在24以下。// 1 安装插件 // 权限$ ionic cordova plugin add cordova-plugin-android-permissions$ npm install --save @ionic-native/android-permissions // 文件管理$ ionic cordova plugin add cordova-plugin-file$ npm install --save @ionic-native/file // 文件上传$ ionic cordova plugin add cordova-plugin-file-transfer$ npm install --save @ionic-native/file-transfer$ ionic cordova plugin add cordova-plugin-file-opener2$ npm install --save @ionic-native/file-opener // 版本检测$ ionic cordova plugin add cordova-plugin-app-version$ npm install --save @ionic-native/app-version // 浏览器$ ionic cordova plugin add cordova-plugin-inappbrowser$ npm install --save @ionic-native/in-app-browser//添加插件//app.module.tsimport { AndroidPermissions } from '@ionic-native/android-permissions';import { File } from "@ionic-native/file";import { FileOpener } from "@ionic-native/file-opener";import { FileTransfer,FileTransferObject } from "@ionic-native/file-transfer";import { AppVersion } from "@ionic-native/app-version";import { InAppBrowser} from "@ionic-native/in-app-browser";import { NativeService } from "../provider/NativeService";...providers: [    StatusBar,    SplashScreen,    {provide: ErrorHandler, useClass: IonicErrorHandler},    AndroidPermissions,    File,    AppVersion,    FileOpener,    FileTransfer,    FileTransferObject,    NativeService,    InAppBrowser  ]// 2 应用// app.component.tsimport { Injectable } from '@angular/core';import { Platform, AlertController } from 'ionic-angular';import { AppVersion } from '@ionic-native/app-version';import { File } from '@ionic-native/file';import { FileTransfer, FileTransferObject } from "@ionic-native/file-transfer";import { FileOpener } from '@ionic-native/file-opener';import { AndroidPermissions } from '@ionic-native/android-permissions';import { InAppBrowser } from '@ionic-native/in-app-browser';@Injectable()export class NativeService {  constructor(private platform: Platform,    private alertCtrl: AlertController,    private transfer: FileTransfer,    private appVersion: AppVersion,    private file: File,    private fileOpener: FileOpener,    private androidPermissions: AndroidPermissions,    private inAppBrowser: InAppBrowser) {        }  //检查权限  permissionsFun(newInfo){    this.androidPermissions.checkPermission(this.androidPermissions.PERMISSION.READ_EXTERNAL_STORAGE).then(      result => {        if (!result.hasPermission){          this.androidPermissions.requestPermissions([this.androidPermissions.PERMISSION.READ_EXTERNAL_STORAGE])            .then(result => {//弹出弹框是否允许              if(result.hasPermission){//点击允许                this.downloadApp(newInfo);                // alert("允许使用LOCATION权限");              }else{//点击拒绝                // alert("拒绝使用LOCATION权限");                this.platform.exitApp();//退出APP              }          });        }else{          this.downloadApp(newInfo);          // alert("已允许位置权限" + result.hasPermission);        }        },      err => {        this.androidPermissions.requestPermission(this.androidPermissions.PERMISSION.ACCESS_COARSE_LOCATION)      }      );  }  /**   * 检查app是否需要升级   */  detectionUpgrade(newInfo) {    //这里连接后台获取app最新版本号,然后与当前app版本号(this.getVersionNumber())对比    //版本号不一样就需要申请,不需要升级就return    this.alertCtrl.create({      title: '升级',      subTitle: '发现新版本,是否立即升级？',      enableBackdropDismiss: false,      buttons: [{ text: '取消',      handler: () => {      this.platform.exitApp();      } },      {        text: '确定',        handler: () => {          this.permissionsFun(newInfo);        }      }      ]    }).present();  }  /**   * 下载安装app   */  downloadApp(newInfo) {    if (this.isAndroid()) {      let alertBut = this.alertCtrl.create({        title: '下载进度：0%',        enableBackdropDismiss: false,        // buttons: ['后台下载']      });      alertBut.present();      // alert(JSON.stringify(newInfo));      const fileTransfer: FileTransferObject = this.transfer.create();      const apk = this.file.externalRootDirectory + newInfo.FILE_NAME; //apk保存的目录      const url = newInfo.URL + newInfo.FILE_NAME;      fileTransfer.download(encodeURI(url), apk).then((res: any) => {        this.fileOpener.open(apk, 'application/vnd.android.package-archive').then((value) => {          // alert(JSON.stringify(value));        }).catch(err => {          // alert(JSON.stringify(err));        });      }).catch(error => {        // alert(JSON.stringify(error));      });      fileTransfer.onProgress((event: ProgressEvent) => {        console.log(event);        let num = Math.floor(event.loaded / event.total * 100);        if (num === 100) {          alertBut.dismiss();        } else {          let title = document.getElementsByClassName('alert-title')[0];          title && (title.innerHTML = '下载进度：' + num + '%');        }      });    }    // if (this.isIos()) {    //   this.openUrlByBrowser("这里边填写下载iOS地址");    // }  }  /**   * 通过浏览器打开url   */  openUrlByBrowser(url: string): void {    this.inAppBrowser.create(url, '_system');  }  /**   * 是否真机环境   * @return {boolean}   */  isMobile(): boolean {    return this.platform.is('mobile') && !this.platform.is('mobileweb');  }  /**   * 是否android真机环境   * @return {boolean}   */  isAndroid(): boolean {    return this.isMobile() && this.platform.is('android');  }  /**   * 是否ios真机环境   * @return {boolean}   */  isIos(): boolean {    return this.isMobile() && (this.platform.is('ios') || this.platform.is('ipad') || this.platform.is('iphone'));  }  /**   * 获得app版本号,如0.01   * @description  对应/config.xml中version的值   * @returns {Promise}   */  versionInfo: string;  getVersionNumber(newInfo): Promise {    return new Promise((resolve) => {      this.appVersion.getVersionNumber().then((value: string) => {        resolve(value);        console.log(value);        if (newInfo.VEISION !== value) {          this.detectionUpgrade(newInfo);        } else {          this.versionInfo = '已是最新版本';        }      }).catch(err => {        console.log('getVersionNumber:' + err);      });    });  }}  getAppVersion() {    let headers = new HttpHeaders(      {        'HH-Authorization': localStorage.TOKEN,        'Content-Type': 'application/x-www-form-urlencoded',      })    return this.http.post(this.url + 'account/getAppVersion', '', {headers})      .subscribe(        (res: any) => {          console.log(res);          if (!res.IsErr) {            this.nativeService.getVersionNumber(res.Data);//检查app是否升级          } else {            this.GlobalFun.popToastView(res.Msg);          }        }), (error: any) => {          console.log(error);        }  }
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