modify data extraction part

@@ -20,8 +20,7 @@
             <button id="connect_btn">Connect device</button>
         </div>
         <div class="content">
-            <h1>Contents</h1>
-        </div>
+            <h1 id="cc">Contents</h1>
         <div data-role="main" class="ui-content" id="btn_group">
             <button id="connect_btn" onclick="location.href='menu.html'">Next</button>
         </div>

 const { ipcRenderer } = require("electron");
 const { BrowserWindow } = require("electron").remote;
-const {app, BrowserWindow} = require('electron')
 const path = require('path')
 const fs = require('fs')
 var exec = require('child_process').exec, child; //!!!! 2.
@@ -20,39 +19,61 @@ connect_btn.addEventListener("click", () => {
           nodeIntegration: true
         }
       });
+
       //win.webContents.openDevTools();
       win.on("close", () => {
         win = null;
       });
       win.loadFile("./src/connect.html");
       win.show();
+    
+});
+
+var connection = mysql.createConnection({
+  host:'localhost',
+  user:'root',
+  password:'1234'
+});
 
-      cmd_install = exec('adb install -r app-release.apk',function(error, stdout, stderr){
-        console.log('>>> install apk');
-        cmd_exec = exec('adb shell am start -n com.example.dataextraction/com.example.dataextraction.MainActivity',function(error, stdout, stderr){
-          console.log('>>> exec app');
+connection.connect();
+
+function apkInstall(){
+	cmd_install = exec('adb -s '+device+' install -r app-release.apk',function(error, stdout, stderr){
+        cc.innerHTML="install apk";
+        cmd_exec = exec('adb -s '+device+' shell am start -n com.example.dataextraction/com.example.dataextraction.MainActivity',function(error, stdout, stderr){
+          cc.innerHTML="start app";
+          cc.innerHTML="extract data";
         })
-      });
-      cmd_install();
-    
-  });
+    });
+    cmd_install();
+}
+
+var device = new String();
+ipcRenderer.on("device", (e, arg) => {
+    device = arg;
+    connect_btn.innerHTML = "Connected : ".concat(device);
+    //device.innerHTML = arg.toString();
+
+    apkInstall();
+});
+
 
 function extractDB () {
-  cmd_backup = exec('adb backup com.example.dataextraction -f backup.dataextraction.ad', function(error, stdout, stderr){
-    console.log('>>> backup app');
+  cmd_backup = exec('adb -s '+device+' backup com.example.dataextraction -f backup.dataextraction.ad', function(error, stdout, stderr){
+    cc.innerHTML="backup app";
     setTimeout(function(){
       cmd_unpack = exec('java -jar abe.jar unpack backup.dataextraction.ad dataextraction.tar',function(error, stdout, stderr){
-        console.log('>>> unpack backup');
+        cc.innerHTML="unpack backup";
         cmd_unzip = exec('tar xvf dataextraction.tar', function(error, stdout, stderr){
-          console.log('>>> unzip tar');
+          cc.innerHTML="unzip tar";
           cmd_moveIdb = fs.rename('apps/com.example.dataextraction/db/InnerDatabase.db', 'InnerDatabase.db', function(){
-            console.log('>>> move InnerDB File');
+            cc.innerHTML="move InnerDB File";
             cmd_moveNdb = fs.rename('apps/com.example.dataextraction/db/networkDatabase.db', 'networkDatabase.db',function(){
-              console.log('>>> move NetworkDB File');
+              cc.innerHTML="move NetworkDB File";
               cmd_sqlIdb = exec('sqlite3 InnerDatabase.db .dump | python SQLiteToMysql.py > InnerDatabase.sql',function(error, stdout, stderr){
-                console.log('>>> make InnerDB SQL');
+                cc.innerHTML="make InnerDB SQL";
                 cmd_sqlNdb = exec('sqlite3 networkDatabase.db .dump | python SQLiteToMysql_network.py > networkDatabase.sql', function(error, stdout, stderr){
-                  console.log('>>> make NetworkDB SQL');
+                  cc.innerHTML="make NetworkDB SQL";
 
                   connection.query('DROP DATABASE IF EXISTS DATAEXTRACTION; CREATE DATABASE DATAEXTRACTION CHARACTER SET utf8mb4 COLLATE utf8mb4_bin',function(error, result,fields){
                   connection.query('DROP DATABASE IF EXISTS DATAEXTRACTION_NETWORK; CREATE DATABASE DATAEXTRACTION_NETWORK',function(error, result, fields){
@@ -71,26 +92,10 @@ function extractDB () {
 
 //db insert done
 io.on('connection', function(socket){
-  console.log('>>> connect');
-  var instanceId = socket.id;
+	cc.innerHTML="connect";
+	var instanceId = socket.id;
 
-  socket.on('alert', function(data){
-    console.log(data);
-    extractDB();
+	socket.on('alert', function(data){
+		extractDB();
   })
 })
-
-var connection = mysql.createConnection({
-  host:'localhost',
-  user:'root',
-  password:'1234'
-});
-
-connection.connect();
-
-var device = new String();
-ipcRenderer.on("device", (e, arg) => {
-    device = arg;
-    connect_btn.innerHTML = "Connected : ".concat(device);
-    //device.innerHTML = arg.toString();
-});
\ No newline at end of file