when touch to Android Back Button, nothing happens !

[duyhung16]

Version

Tell us which versions you are using:

• react-native-router-flux v4.0.0-beta.20
• react-native v0.47.2

Expected behaviour

At home screen and android device, when touch to Android Back Button, app will be exist

Actual behaviour

when touch to Android Back Button, nothing happens !

<Router createReducer={reducerCreate}>
  <Modal transitionConfig={() => ({ screenInterpolator: CardStackStyleInterpolator.forFadeFromBottomAndroid })}>
    <Stack hideNavBar>
      <Drawer headerMode='none' contentComponent={Sidebar}>
        <Scene initial key='home' component={HomeScreen}/>
      </Drawer>
    </Stack>
    <Scene key='search' component={SearchScreen} title='Tìm kiếm' hideNavBar />
    <Scene key='item' component={ItemScreen} hideNavBar />
    <Stack key='room' hideNavBar>
      <Drawer headerMode='none' drawerPosition='right' contentComponent={ChatBoxSettingScreen}>
        <Scene key='roomChild' component={RoomScreen} />
      </Drawer>
    </Stack>
    <Scene key='createRoom' component={CreateRoomScreen} hideNavBar />
    <Scene key='webView' component={WebViewScreen} />
  </Modal>
</Router>

[daviscabral]

Do you have any BackHandler.addEventListener in your app that might be affecting it?

[Maxitk]

I have the same problem,how can I solve?
I have checked all my codes,there are no backHandler at all.

[yangningBU]

I'm having the same problem as well. No custom handler set. I do believe it started happening when once I added a nested , but I will try to attach a reproducible package.

[yangningBU]

I believe this is a dupe of #2540

[aksonov]

I just checked Example, hardware back works well on Android.