Angular Fire如何存储离线数据？
[英]How does Angular Fire store offline data?
问题描述
I am building an Ionic app using AngularFire2, which needs to work offline as well as online.
我正在使用 AngularFire2 构建一个 Ionic 应用程序，它需要离线和在线工作。 It will be built for iOS and Android (not web).它将为 iOS 和 Android（非 Web）构建。
AngularFirestore allows persistence locally using AngularFirestoreModule.enablePersistence() which is great. AngularFirestore 允许使用 AngularFirestoreModule.enablePersistence() 在本地进行持久化，这很棒。
But how does Angular Fire store data offline - by which I mean, is it localStorage, IndexDB or what?但是 Angular Fire 如何离线存储数据 - 我的意思是，它是 localStorage、IndexDB 还是什么？ I need to be really sure that the data can't get wiped either on device restart, app update etc.我需要确保数据不会在设备重启、应用更新等时被擦除。
Local storage can get wiped from devices by such events AFAIK, so if that is the answer, then I need to find a different solution for offline.此类事件AFAIK会从设备中擦除本地存储，因此如果这是答案，那么我需要为离线找到不同的解决方案。
Thanks for any help.谢谢你的帮助。
0 个解决方案
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