setting tab id 수정

 import React, { Component } from 'react';
 import { View, Text, StyleSheet, TextInput, TouchableOpacity, Image } from 'react-native';
 import AddButton from '../component/AddButton'
-import {delete_all_data, deleteId} from '../component/DBhelper'
+import {delete_all_data, deleteId, get_id} from '../component/DBhelper'
 
 var date = new Date();
 date.setHours(date.getHours()+9);
@@ -11,7 +11,7 @@ export default class SettingTab extends Component {
     constructor(props){
         super(props);
         this.state = {
-            ID : 'pi1',
+            ID : get_id(),
             user : 'user1'
         }
     }
@@ -41,7 +41,7 @@ export default class SettingTab extends Component {
         this.setState({ID: ''})
         //save_app_data()
         delete_all_data()
-        //deleteId()
+        deleteId()
         this.props.navigation.navigate('Login');
     }
     render() {