I think there are Example Errors

[choru-k]

I did copy & paste Example. But I could not work.
I fix
In Login.js

<View style={[styles.container, this.props.style]}>
                <Text>Login page: {this.props.data}</Text>
                <Button onPress={Actions.loginModal2}>Login 2</Button>
                <Button onPress={Actions.pop}>Back</Button>
            </View>

In Example.js

<Scene key="login">
                <Scene key="loginModal" component={Login} schema="modal" title="Login"/>
                <Scene key="loginModal2" hideNavBar={true} component={Login2} title="Login2"/>
            </Scene>

And Error popup show up endless. so I delete

                <Button onPress={Actions.error('error message')}>Show error popup</Button>

in Launch.js

I want to fix Example

[aksonov]

Check Example project. Submit PR to improve docs if anything.