How to use React Native launch options parameter for RCTRootView

I am not a JS or React programmer but I need to use it for my project.

I want to pass in values to my React views from my native code so that it will be rendered by the React engine.

I’ve tried many variations

My native code looks like:

RCTRootView *rootView = [[RCTRootView alloc] initWithBundleURL:jsCodeLocation
                                                      moduleName:@"ReactTesting"
                                                   launchOptions:@{@"initialProps" : @"<Text>Hello from native code</Text>"}];

rootView.initialProperties = @{@"initialProps" : @"<Text>Hello from native code</Text>"}; // ???

And in my react code i want to render that JSX:

var ReactForTesting = React.createClass( {

render: function() {
  return (The Launch Options that were sent to this view); //How do I render it?
  }
});

I’ve tried returning various things in the render function – none would render:

render : function () {
  return this.props; // doesn't work
}

render : function () {
  return this.props.initialProps; // doesn't work
}

render : function () {
  return this.props.initialProps; // doesn't work
}

also fiddling with:
React.createElement()
React.createClass()..


Source: facebook

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