React-native-router-flux: Back button action

[ugendrang]

Let us consider screen with Navigation Path as follows:
Scene A > Scene B

From Scene B, pressing Back button '<' will take to Scene A.

1. Is there any hook available for back button, ie on pressing back button in Scene B, need to access methods in Scene A to change some properties.
2. Do we have onPress action for back button, so that before going to Scene A, some action need to be perform in Scene B

[redhelix]

+1

[dopey2]

This should work:

onBackFunction()
{
  console.log("backkkkkkkkkk")
  Actions.sceneA()
}

  <Scene key="root" >
          <Scene  key="sceneA" component={SceneA} />
          <Scene  key="sceneB" onBack={this.onBackFunction()} component={SceneB} />
  </Scene>

[ugendrang]

@Dani93380, I like to pass property from SceneB to SceneA on back button action as like below, but not sure how to call the 'onBackFunction' when I press back button in SceneB

class SceneB extends Component {
    render() {...}

    onBackFunction(){
        Actions.sceneA({myprop:'test'});
    }
}

[atljoseph]

question was asked...issue was closed...no data on solution for original issue... useless forum

[ac1dr3d]

https://gist.github.com/yanqiw/31aaa7502b74a51c3467d080409257ab

will try this.