http://codin.im/2016/09/17/observables-in-angular2-translate/

簡單來說： getDeviceToken 方法有三： 一、ionic Native Push (https://ionicframework.com/docs/v2/native/push/) 二、ionic Native Firebase (https://ionicframework.com/docs/v2/native/firebase/) 三、cordova FCM plugin (https://github.com/fechanique/cordova-plugin-fcm) 之前試用的方式是： http://sueboy.blogspot.tw/2017/01/ionic2-fcm-send-message-to-device-token.html ．AngularFire2 authstate.auth.getToken() is JWT token for firebase

https://github.com/driftyco/ionic/issues/6776#issuecomment-267961514 https://github.com/driftyco/ionic-app-scripts/issues/596 This problem…. just update >> ionic info Ionic Framework Ionic CLI Ionic App Lib Ionic App Scripts Cordova CLI: 6.5.0 Ionic Framework Version: 2.0.1 Ionic CLI Version: 2.2.1 Ionic App Lib Version: 2.2.0 Ionic App Scripts Version: 1.0.1 So 1、npm update to best new npm update -g 2、uninstall ionic npm uninstall ionic 3、install ionic npm install -g ionic 4、update package.js in project npm install -g npm-check-updates npm-check-updates npm-check-updates -u npm install ...

https://github.com/driftyco/ionic-cli/issues/935 just put www directory on root

https://gxiangco.gitbooks.io/m3-app-dev/content/part4/%E6%9B%B4%E6%8F%9Bicons%E5%8F%8Asplashscreen.html 1、 change resource icon.png and splash.png 2、ionic resources 3、check resource android and ios images is changed ? 4、apk 4.1、 ionic platform remove android then ionic platform add android or 4.2、 ionic build android copy res android and ios images to platform/android or ios inside