<View style={styles.inputViewStyle}>
                  <TextInput
                    ref={firstnameRef => (this.firstnameRef =
                    firstnameRef)}
                    label="Firstname"
                    returnKeyType="next"
                    autoCorrect={false}
                    value={this.state.firstname}
                    onSubmitEditing={() =>
              this.refs.middlenameRef.focus()}
                    onChangeText={firstname => this.setState({ firstname })}
                    blurOnSubmit={false}
                  />
                </View>

    <View style={styles.inputViewStyle}>
                  <TextInput
                    ref={middlenameRef => (this.middlenameRef = middlenameRef)}
                    label="Middlename"
                    returnKeyType="go"
                    value={this.state.middlename}
                    onChangeText={middlename => this.setState({ middlename })}
                  />
                </View>