https://github.com/fechanique/cordova-plugin-fcm 1、 ionic start getdevicetoken blank –v2 2、ionic plugin add cordova-plugin-fcm –save 3、 firebase console -> project setting -> add your project a. package name: copy from config.xml id=“com.ionicframework.getdevicetokenxxxxxx” b. add project then download google-services.json 4、put google-services.json on getdevicetoken directory, don’t put getdevicetoken/platforms/android or …./ios 5、ionic run android ( remeber open android emule) =====If success, contiune===== 6、src/pages/home a. home.html replace <ion-content <ion-textarea rows=“6” [value]=“devicetoken”> <button ion-button (click)=“getdevicetoken()"> getdevicetokens <button ion-button (click)=“showdevicetoken()"> showdevicetoken <button ion-button (click)=“Notification()"> Notification ...

Must Remeber css show MAP https://forum.ionicframework.com/t/ionic-2-typescript-google-maps/53006/26 https://github.com/vijtad/Ionic-2-using-sebm-google-map https://github.com/SebastianM/angular2-google-maps http://www.joshmorony.com/ionic-2-how-to-use-google-maps-geolocation-video-tutorial/ http://vpt-deeplearner.tech/2016/11/24/ionic-2-an-example-of-googlemap-using-sebm-angularjs-directory/ https://forum.ionicframework.com/t/ts2304-cannot-find-name-google/58725/26

http://www.sqeeex.com/201605/27.html {{value}} 和 [property]=‘value’ 变量绑定在Component中，只要在Component中控制变量值改变，dom中就会更新，它是单向的。 (event) 是事件绑定，是单向的，在dom中触发，从而告知Component。 [(ng-model)]或者[(ngModel)] 实现双向绑定， angular1中，我们要实现双向绑定是用ng-model=“xx”，angular2中从用法上来说确实只是多加了两个括号。

https://github.com/driftyco/ionic-conference-app/tree/typescript

best easy know 1、auth != null – only auth pass user ( login success user) 2、$uid === auth.uid – usually only data owner can read or modify $userId === auth.uid ========== 1、only admins group can wirte data a. Database data add admins -> add uid:true (uid -> user in admins group) b. Database rule add { “rules”: { “admins”:{ “.read” : “auth != null && root.child(‘admins’).hasChild(auth.uid)”, “.write” : “auth != null && root.child(‘admins’).hasChild(auth.uid)” } } } ...