react-native-intro-anim

rn-intro-router.js

export default class App extends Component {
  state = {
    currentScreen: "intro"
  };

  router(page) {
    this.setState({ currentScreen: page });
  }

  renderScreen() {
    const { currentScreen } = this.state;
    switch (currentScreen) {
      case "intro":
        return <Intro router={this.router.bind(this)}/>;
      case "next page":
        return <NextPage />;
      default:
        return <Text style={styles.introText}>Something went wrong</Text>;
    }
  }

  render() {
    return <View style={styles.wrapper}>{this.renderScreen()}</View>;
  }
}