<View> <Toolbar leftElement="arrow-back" centerElement={ this.props.route.title } onLeftElementPress={ () => { this.props.navigator.replace({ index: 2, title: 'Skan ISBN', page: ScanIsbn }) } } /> <Text>Tytuł:</Text> <TextInput onChangeText={ (text) => this.setState({ title: text })} value={ this.state.title } /> <Text>Autor:</Text> <TextInput onChangeText={ (text) => this.setState({ author: text })} value={ this.state.author } /> <Text>ISBN:</Text> <TextInput onChangeText={ (text) => this.setState({ isbn: text })} value={ this.state.isbn } /> </View>