React Native - How to Map Readable Array from React Native to Native Module in Android)?

Question

I have a code in react native. I use it to pass array to native module, and I want to handle it on native module,

Example of ReadableArray:

{"AuditScheduleDetailID":5525,"AuditAnswerId":33,"LocalFindingID":1,"LocalMediaID":1,"ExtFiles":"jpg"}

I want to get each value of key inside - how can I do that?

I've tried this article but I dont really understand it.

I just hardcoded it for now like this :

@ReactMethod
public void insert(ReadableArray name, String file) {
    DatabaseHandler db = new DatabaseHandler(getReactApplicationContext());
    String a = "path to file";
    for(int i=0 ; i<name.size(); i++){
    //expected result
    int audit  = 5525 //from AuditScheduleDetailID value
    int answer = 33 // from AuditAnswerId value
    int finding = 1 // from LocalFindingID value
    int media = 1 // from LocalMediaID value
    String exten = "jpg" // from ExtFiles value
    db.addContact(new Contact(audit, answer, finding, media, exten));
    }
}

Is there a way to get each value from readablearray key?

Onkar Saravade · Accepted Answer · 2018-06-12 10:17:51Z

4

On javascript you call this method just passing as object

import { NativeModules } from 'react-native';

NativeModules.<<ModuleName>>.insert({"AuditScheduleDetailID":5525,"AuditAnswerId":33,"LocalFindingID":1,"LocalMediaID":1,"ExtFiles":"jpg"}, <<fileName>>);

Modify your react method to accept ReadableMap instead of ReadableArray

@ReactMethod
public void insert(ReadableMap readableMap, String file) {
  String auditScheduleDetailID = readableMap.getString("AuditScheduleDetailID");
  String auditAnswerId = readableMap.getString("AuditAnswerId");
  String localFindingID = readableMap.getString("LocalFindingID");
  String localMediaID = readableMap.getString("LocalMediaID");
  String extFiles = readableMap.getString("ExtFiles");
  //your logic
}

answered Jun 12, 2018 at 10:17

Onkar Saravade

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Comments

fadly kayo · Accepted Answer · 2020-06-26 06:14:36Z

3

I don't know if this is what you need but,

For React Native >=0.62, you can try this:

import com.facebook.react.bridge.WritableMap;
import com.facebook.react.bridge.Arguments;

@ReactMethod
public void test(Callback callback) {
    WritableMap map = Arguments.createMap();

    map.putString("yourKey", "yourValue");

    callback.invoke(map);
}

answered Jun 26, 2020 at 6:14

fadly kayo

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