如何从 firestore 获取数据并在 textinput 的下拉列表中列出，以便在 react native 中选择

Question

how can I implement dropdown suggestions... from the firestore database for any field or any collection in TEXTINPUT and listing out for picking it...

Answer 1

The approach here would be to fetch data from Firestore and map it to a List. There are many ways to fetch data from Firestore, check Retrieving Data List . Once you've done that, the data can be displayed in the form dropdown list using various methods.

Here are a few examples of similar implementations that you are trying to implement.

[2] Load values for a dropdown menu from firebase
[3] Populate react select options array with key value pairs from firebase collection
[4] How to display data from a firebase firestore in React Native
[5] Get List of keys from Firbase database and load to dropdown list in reactjs