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How to pass initial props from Android native.

Ryohlan on November 16, 2017

There is a official document of passing initial props from iOS native, but not Android. It is passed by getLaunchOptions of ReactActivityDelegate....

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silhouette5366 • Feb 11 '19

On doing console.warn(props.message) in constructor it is showing warning as "undefined". Help cannot send initial props.

Ryohlan • Feb 12 '19

Hi, I tried it on v0.58. It works successfully.

This props can receive only entry point which the default is App.js.

silhouette5366 • Feb 12 '19

I think my entry point is index.js which then calls the App.js.

Here is the index.js code:

import {AppRegistry} from 'react-native';
import App from './App';
import {name as appName} from './app.json';
AppRegistry.registerComponent(appName, () => App);

Then the main working code is in App.js
what should i do?

Ryohlan • Feb 12 '19

See github.com/ryohlan/react-native-pl...

The diff is only that from initialize.

silhouette5366 • Feb 12 '19

I got the problem. Actually its not working in case when I use react-navigatin stack navigator, when I remove the stack navigator, it's working.
How to use it along with stack navigator?

Ryohlan • Feb 12 '19

Pass App.js props to react-navigation root component. it should be worked.

silhouette5366 • Feb 12 '19

Thanks for the quick response. I am trying to pass the initial props to first scene.
Great post !!

Kiran Shinde • Mar 14 '19 • Edited

How can we pass App.js props to react-navigation root component?

Tomasz Nowak • Apr 18 '19

My app crashes with "cannot find symbol @Nullable" message. When I remove this decorator it works fine, but I don't know java at all and not sure if something can go wrong without it. Is it ok to remove @Nullable?