在SearchView中应用词干以从Firebase数据库中获取数据 [英] Applying Word Stemming in SearchView for fetch data from Firebase database

问题描述

我需要使用SeachView或搜索对话框从Firebase数据库中获取用户列表，我认为词干搜索最适合我的应用.

I need to fetch list of users from Firebase database using SeachView or search dialog and I think word stemming will be best for my app.

不要求输入代码，但请告诉我它的方法.

Not asking for code but please tell me the alorigthm for it.

推荐答案

要实现所需的功能，您需要执行如下查询:

To achieve what you want, you need to execute a query which should look like this:

DatabaseReference rootRef = FirebaseDatabase.getInstance().getReference();
DatabaseReference usersRef = rootRef.child("users");
Query query = usersRef.orderByChild("name").equalTo(newText);

因此，每次创建搜索时，您都应该返回一个新查询.因此，据此，每次您要在新条件下进行过滤时，都需要:

So everytime you create a search you should return a new query. So according to this, every time you want to filter on a new condition, you will need to:

1. 基于新过滤器创建一个新查询:

Query query = usersRef.orderByChild("name").equalTo(newText);

为此新创建的查询添加侦听器.

Attach a listener to this new created query.

使用此新创建的查询的结果创建一个新的适配器，或使用notifydatasetchanged()方法更新现有的适配器.

Create a new adapter with the results of this new created query, or update the existing one using notifydatasetchanged() method.

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