React native 的彈出層（輸入）效果

/*彈出層測試*/
import React,{Component} from 'react';
import {
  StyleSheet,
  View,
  Image,
  Text,
  TouchableOpacity,
  ScrollView,
  Navigator,
  Alert, //引入Alert組件
  TouchableHighlight,
  AlertIOS  //引入AlertIOS組件
} from 'react-native';
//創建一個組件
class CustomButton extends Component {
  render() {
    return (
      <TouchableHighlight    
        style={styles.button}
        underlayColor="red"   //觸摸的時候顏色改變
        onPress={this.props.onPress}>  //當前觸發時間
        <Text style={styles.buttonText}>{this.props.text}</Text>
      </TouchableHighlight>
    );
  }
}
//默認輸出組件
export default class AlertDemo extends Component {
  render() {
    return (
      <View style={styles.container}>
        <Text style={{height:30,color:'black',margin:8}}>
          彈出框實例
        </Text>
        //觸發事件
        <CustomButton text='點擊彈出默認Alert'
          onPress={()=>Alert.alert('溫馨提醒','確定退出嗎?')}
          />
        <CustomButton text='點擊彈出兩個按鈕的Alert'
          onPress={()=>Alert.alert('溫馨提醒','確定退出嗎?',[
            {text:'取消'},
            {text:'確定',}
            ])}
          />
        <CustomButton text='點擊彈出三個按鈕的Alert'
          onPress={()=>AlertIOS.alert('溫馨提醒','確定退出嗎?',[
            {text:'One'},
            {text:'Two'},
            {text:'Two'},
            {text:'Two'},
            {text:'Two'},
            {text:'Two'},
            {text:'Two'},
            {text:'Two'},
            {text:'Two'},
            {text:'Two'},
            {text:'Two'},
            {text:'Two'},
            ])}
          />
          <CustomButton text='點擊出現輸入框'
            onPress={()=>AlertIOS.prompt('溫馨提醒','確定退出嗎?',[
              {text:'取消'},
              {text:'確定',}
              ])}
            />
 
      </View>
    );
  }
}
 
 
 
var styles = StyleSheet.create({
  container:{
    backgroundColor:"#fff",
    flex:1,
    marginTop:65,
},
button: {
  margin:5,
  backgroundColor: 'white',
  padding: 15,
  borderBottomWidth: StyleSheet.hairlineWidth,
  borderBottomColor: '#cdcdcd',
}
 
 
})