react-native試玩(28)-彈出框API

AlertIOS
react-native線上運行器 方法

static alert(title: string, message?: string, buttons?: Array<{ text: ?string; onPress?: ?Function; }>, type?: string)：無輸入彈出框

static prompt(title: string, value?: string, buttons?: Array<{ text: ?string; onPress?: ?Function; }>, callback?: Function):帶輸入框的彈出框 執行個體

/** * The examples provided by Facebook are for non-commercial testing and * evaluation purposes only. * * Facebook reserves all rights not expressly granted. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NON INFRINGEMENT. IN NO EVENT SHALL * FACEBOOK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. * * @flow */'use strict';var React = require('react-native');var {  StyleSheet,  View,  Text,  TouchableHighlight,  AlertIOS,} = React;exports.framework = 'React';exports.title = 'AlertIOS';exports.description = 'iOS alerts and action sheets';exports.examples = [{  title: 'Alerts',  render() {    return (      <View>        <TouchableHighlight style={styles.wrapper}          onPress={() => AlertIOS.alert(            'Foo Title',            'My Alert Msg'          )}>          <View style={styles.button}>            <Text>Alert with message and default button</Text>          </View>        </TouchableHighlight>        <TouchableHighlight style={styles.wrapper}          onPress={() => AlertIOS.alert(            null,            null,            [              {text: 'Button', onPress: () => console.log('Button Pressed!')},            ]          )}>          <View style={styles.button}>            <Text>Alert with only one button</Text>          </View>        </TouchableHighlight>        <TouchableHighlight style={styles.wrapper}          onPress={() => AlertIOS.alert(            'Foo Title',            'My Alert Msg',            [              {text: 'Foo', onPress: () => console.log('Foo Pressed!')},              {text: 'Bar', onPress: () => console.log('Bar Pressed!')},            ]          )}>          <View style={styles.button}>            <Text>Alert with two buttons</Text>          </View>        </TouchableHighlight>        <TouchableHighlight style={styles.wrapper}          onPress={() => AlertIOS.alert(            'Foo Title',            null,            [              {text: 'Foo', onPress: () => console.log('Foo Pressed!')},              {text: 'Bar', onPress: () => console.log('Bar Pressed!')},              {text: 'Baz', onPress: () => console.log('Baz Pressed!')},            ]          )}>          <View style={styles.button}>            <Text>Alert with 3 buttons</Text>          </View>        </TouchableHighlight>        <TouchableHighlight style={styles.wrapper}          onPress={() => AlertIOS.alert(            'Foo Title',            'My Alert Msg',            '..............'.split('').map((dot, index) => ({              text: 'Button ' + index,              onPress: () => console.log('Pressed ' + index)            }))          )}>          <View style={styles.button}>            <Text>Alert with too many buttons</Text>          </View>        </TouchableHighlight>      </View>    );  }},{  title: 'Prompt',  render(): React.Component {    return <PromptExample />  }}];class PromptExample extends React.Component {  constructor(props) {    super(props);    this.promptResponse = this.promptResponse.bind(this);    this.state = {      promptValue: undefined,    };    this.title = 'Type a value';    this.defaultValue = 'Default value';    this.buttons = [{      text: 'Custom cancel',    }, {      text: 'Custom OK',      onPress: this.promptResponse    }];  }  render() {    return (      <View>        <Text style={{marginBottom: 10}}>          <Text style={{fontWeight: 'bold'}}>Prompt value:</Text> {this.state.promptValue}        </Text>        <TouchableHighlight          style={styles.wrapper}          onPress={this.prompt.bind(this, this.title, this.promptResponse)}>          <View style={styles.button}>            <Text>              prompt with title & callback            </Text>          </View>        </TouchableHighlight>        <TouchableHighlight          style={styles.wrapper}          onPress={this.prompt.bind(this, this.title, this.buttons)}>          <View style={styles.button}>            <Text>              prompt with title & custom buttons            </Text>          </View>        </TouchableHighlight>        <TouchableHighlight          style={styles.wrapper}          onPress={this.prompt.bind(this, this.title, this.defaultValue, this.promptResponse)}>          <View style={styles.button}>            <Text>              prompt with title, default value & callback            </Text>          </View>        </TouchableHighlight>        <TouchableHighlight          style={styles.wrapper}          onPress={this.prompt.bind(this, this.title, this.defaultValue, this.buttons)}>          <View style={styles.button}>            <Text>              prompt with title, default value & custom buttons            </Text>          </View>        </TouchableHighlight>      </View>    );  }  prompt() {    // Flow's apply support is broken: #7035621    ((AlertIOS.prompt: any).apply: any)(AlertIOS, arguments);  }  promptResponse(promptValue) {    this.setState({ promptValue });  }}var styles = StyleSheet.create({  wrapper: {    borderRadius: 5,    marginBottom: 5,  },  button: {    backgroundColor: '#eeeeee',    padding: 10,  },});

效果 alert

prompt