weixin_44686124的博客

1.安装插件 // 文件管理 $ ionic cordova plugin add cordova-plugin-file@6.0.1 $ npm install --save @ionic-native/file@4.18.0 // 文件上传 $ ionic cordova plugin add cordova-plugin-file-opener2@2.0.19 $ npm install --save @ionic-native/file-opener@4.7.0 $ ionic cordova

下载插件并导入 npm install --save @ionic-native/camera ionic cordova plugin add cordova-plugin-camera module.ts中 import {Camera,CameraOptions} from '@ionic-native/camera/ngx'; ts使用 async changeavatar() { const actionSheet = await this.actionSheetCon.

设置两套主题样式： 创建changetheme.ts: ```javascript import { Injectable } from '@angular/core'; import {BehaviorSubject} from "rxjs"; @Injectable() export class Changetheme { // true: dark-theme // false: light-theme public theme: BehaviorSubject<b.