简体繁体中英

Android mvvm - does every crud operation should have it own ViewModel?

原文 2019-08-05 05:14:14 0 1 java/ android/ mvvm

Does every CRUD operation should have own ViewModel? For example, should I have separated classes for Insert,Delete,Update?

1 answers

You should have a Data Access Object (DAO) for every Entity. There is no need for separate ViewModels for every CRUD operations.

One or multiple ViewModels can then use this DAO as needed. Look at this DAO for a reference. See how this repository and viewmodel work with it.

Android MVVM Repository and ViewModel Question

Should every component(.xml) have its own eclipse-project?

What should be done in Activity/Fragment and ViewModel in MVVM

does MVVM design pattern enforces the ViewModel and View to have a Observable and Observer relationship?

Does every Object in java have its own Constructor?

Should Rest services have a viewmodel?

Where to Save ViewModel State in Android's MVVM?

How to use own query for save operation when extending crud repository?

Viewmodel cannot create an instance of class Android Java MVVM

Is non-observable model object in the ViewModel against MVVM architecture in Android?

暂无

The technical post webpages of this site follow the CC BY-SA 4.0 protocol. If you need to reprint, please indicate the site URL or the original address.Any question please contact:yoyou2525@163.com.

Related Question Android MVVM Repository and ViewModel Question Should every component(.xml) have its own eclipse-project? What should be done in Activity/Fragment and ViewModel in MVVM does MVVM design pattern enforces the ViewModel and View to have a Observable and Observer relationship? Does every Object in java have its own Constructor? Should Rest services have a viewmodel? Where to Save ViewModel State in Android's MVVM? How to use own query for save operation when extending crud repository? Viewmodel cannot create an instance of class Android Java MVVM Is non-observable model object in the ViewModel against MVVM architecture in Android?

Related Tags

Android mvvm - does every crud operation should have it own ViewModel?

Question

1 answers

solution1 0 2019-08-05 07:43:43

solution1
0 2019-08-05 07:43:43