React Navigation

參數 class中

基本

static navigationOptions = {
     title: `Chat with Lucy`,
};

有參數的

static navigationOptions = ({ navigation }) => ({
    title: ` chat winth ${ navigation.state.params.user }`
});

class render 用

render() {
    const { params } = this.props.navigation.state;

    return (
      <View>
        <Text>Chat with Lucy { params.user }</Text>
      </View>
    );
  }