ESP32 | FLUTTER | FIRESTORE - Dust Sensor, A simple Air Monitor App (Serverless REST API with Firestore)

2026-01-12 01:07:44 +03:00 · 2019-10-19 16:04:27 -07:00
parent dcc7936a9e
commit f89445473d
73 changed files with 4767 additions and 0 deletions
--- a/ESP32_dust_sensor_firestore_FLUTTER/DustFirestore/.firebaserc
+++ b/ESP32_dust_sensor_firestore_FLUTTER/DustFirestore/.firebaserc
@@ -0,0 +1,5 @@
+{
+  "projects": {
+    "default": "dust-sensor-cloud"
+  }
+}
--- a/ESP32_dust_sensor_firestore_FLUTTER/DustFirestore/.gitignore
+++ b/ESP32_dust_sensor_firestore_FLUTTER/DustFirestore/.gitignore
@@ -0,0 +1,65 @@
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+firebase-debug.log*
+
+# Firebase cache
+.firebase/
+
+# Firebase config
+
+# Uncomment this if you'd like others to create their own Firebase project.
+# For a team working on the same Firebase project(s), it is recommended to leave
+# it commented so all members can deploy to the same project(s) in .firebaserc.
+# .firebaserc
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (http://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variables file
+.env
--- a/ESP32_dust_sensor_firestore_FLUTTER/DustFirestore/firebase.json
+++ b/ESP32_dust_sensor_firestore_FLUTTER/DustFirestore/firebase.json
@@ -0,0 +1,22 @@
+{
+  "functions": {
+    "predeploy": [
+      "npm --prefix \"$RESOURCE_DIR\" run lint",
+      "npm --prefix \"$RESOURCE_DIR\" run build"
+    ]
+  },
+  "hosting": {
+    "public": "public",
+    "ignore": [
+      "firebase.json",
+      "**/.*",
+      "**/node_modules/**"
+    ],
+    "rewrites": [
+      {
+        "source": "/api/v1/**",
+        "function": "webApi"
+      }
+    ]
+  }
+}
--- a/ESP32_dust_sensor_firestore_FLUTTER/DustFirestore/functions/.gitignore
+++ b/ESP32_dust_sensor_firestore_FLUTTER/DustFirestore/functions/.gitignore
@@ -0,0 +1,8 @@
+## Compiled JavaScript files
+**/*.js
+**/*.js.map
+
+# Typescript v1 declaration files
+typings/
+
+node_modules/
--- a/ESP32_dust_sensor_firestore_FLUTTER/DustFirestore/functions/package-lock.json
+++ b/ESP32_dust_sensor_firestore_FLUTTER/DustFirestore/functions/package-lock.json
--- a/ESP32_dust_sensor_firestore_FLUTTER/DustFirestore/functions/package.json
+++ b/ESP32_dust_sensor_firestore_FLUTTER/DustFirestore/functions/package.json
@@ -0,0 +1,29 @@
+{
+  "name": "functions",
+  "scripts": {
+    "lint": "tslint --project tsconfig.json",
+    "build": "tsc",
+    "serve": "npm run build && firebase serve --only functions",
+    "shell": "npm run build && firebase functions:shell",
+    "start": "npm run shell",
+    "deploy": "firebase deploy --only functions",
+    "logs": "firebase functions:log"
+  },
+  "engines": {
+    "node": "8"
+  },
+  "main": "lib/index.js",
+  "dependencies": {
+    "body-parser": "^1.19.0",
+    "express": "^4.17.1",
+    "firebase-admin": "^8.6.0",
+    "firebase-functions": "^3.3.0",
+    "firebase-functions-helper": "^0.7.4"
+  },
+  "devDependencies": {
+    "tslint": "^5.12.0",
+    "typescript": "^3.2.2",
+    "firebase-functions-test": "^0.1.6"
+  },
+  "private": true
+}
--- a/ESP32_dust_sensor_firestore_FLUTTER/DustFirestore/functions/src/index.ts
+++ b/ESP32_dust_sensor_firestore_FLUTTER/DustFirestore/functions/src/index.ts
@@ -0,0 +1,27 @@
+import * as functions from 'firebase-functions';
+import * as admin from 'firebase-admin';
+import * as firebaseHelper from 'firebase-functions-helper/dist';
+import * as express from 'express';
+import * as bodyParser from 'body-parser';
+
+admin.initializeApp(functions.config().firebase);
+const db = admin.firestore();
+
+const app = express();
+const main = express();
+
+main.use(bodyParser.json());
+main.use(bodyParser.urlencoded({extended: false}));
+main.use('/api/v1', app);
+
+const sensorsCollection = 'sensors';
+export const webApi = functions.https.onRequest(main);
+
+app.patch('/sensor/:sensorId', async(req, res) => {
+    try{
+        await firebaseHelper.firestore.updateDocument(db, sensorsCollection, req.params.sensorId, req.body);
+        res.status(200).send('Update Success');
+    }catch(error){
+        res.status(204).send('Patch Error');
+    }
+})
--- a/ESP32_dust_sensor_firestore_FLUTTER/DustFirestore/functions/tsconfig.json
+++ b/ESP32_dust_sensor_firestore_FLUTTER/DustFirestore/functions/tsconfig.json
@@ -0,0 +1,15 @@
+{
+  "compilerOptions": {
+    "module": "commonjs",
+    "noImplicitReturns": true,
+    "noUnusedLocals": true,
+    "outDir": "lib",
+    "sourceMap": true,
+    "strict": true,
+    "target": "es2017"
+  },
+  "compileOnSave": true,
+  "include": [
+    "src"
+  ]
+}
--- a/ESP32_dust_sensor_firestore_FLUTTER/DustFirestore/functions/tslint.json
+++ b/ESP32_dust_sensor_firestore_FLUTTER/DustFirestore/functions/tslint.json
@@ -0,0 +1,115 @@
+{
+  "rules": {
+    // -- Strict errors --
+    // These lint rules are likely always a good idea.
+
+    // Force function overloads to be declared together. This ensures readers understand APIs.
+    "adjacent-overload-signatures": true,
+
+    // Do not allow the subtle/obscure comma operator.
+    "ban-comma-operator": true,
+
+    // Do not allow internal modules or namespaces . These are deprecated in favor of ES6 modules.
+    "no-namespace": true,
+
+    // Do not allow parameters to be reassigned. To avoid bugs, developers should instead assign new values to new vars.
+    "no-parameter-reassignment": true,
+
+    // Force the use of ES6-style imports instead of /// <reference path=> imports.
+    "no-reference": true,
+
+    // Do not allow type assertions that do nothing. This is a big warning that the developer may not understand the
+    // code currently being edited (they may be incorrectly handling a different type case that does not exist).
+    "no-unnecessary-type-assertion": true,
+
+    // Disallow nonsensical label usage.
+    "label-position": true,
+
+    // Disallows the (often typo) syntax if (var1 = var2). Replace with if (var2) { var1 = var2 }.
+    "no-conditional-assignment": true,
+
+    // Disallows constructors for primitive types (e.g. new Number('123'), though Number('123') is still allowed).
+    "no-construct": true,
+
+    // Do not allow super() to be called twice in a constructor.
+    "no-duplicate-super": true,
+
+    // Do not allow the same case to appear more than once in a switch block.
+    "no-duplicate-switch-case": true,
+
+    // Do not allow a variable to be declared more than once in the same block. Consider function parameters in this
+    // rule.
+    "no-duplicate-variable": [true, "check-parameters"],
+
+    // Disallows a variable definition in an inner scope from shadowing a variable in an outer scope. Developers should
+    // instead use a separate variable name.
+    "no-shadowed-variable": true,
+
+    // Empty blocks are almost never needed. Allow the one general exception: empty catch blocks.
+    "no-empty": [true, "allow-empty-catch"],
+
+    // Functions must either be handled directly (e.g. with a catch() handler) or returned to another function.
+    // This is a major source of errors in Cloud Functions and the team strongly recommends leaving this rule on.
+    "no-floating-promises": true,
+
+    // Do not allow any imports for modules that are not in package.json. These will almost certainly fail when
+    // deployed.
+    "no-implicit-dependencies": true,
+
+    // The 'this' keyword can only be used inside of classes.
+    "no-invalid-this": true,
+
+    // Do not allow strings to be thrown because they will not include stack traces. Throw Errors instead.
+    "no-string-throw": true,
+
+    // Disallow control flow statements, such as return, continue, break, and throw in finally blocks.
+    "no-unsafe-finally": true,
+
+    // Expressions must always return a value. Avoids common errors like const myValue = functionReturningVoid();
+    "no-void-expression": [true, "ignore-arrow-function-shorthand"],
+
+    // Disallow duplicate imports in the same file.
+    "no-duplicate-imports": true,
+
+
+    // -- Strong Warnings --
+    // These rules should almost never be needed, but may be included due to legacy code.
+    // They are left as a warning to avoid frustration with blocked deploys when the developer
+    // understand the warning and wants to deploy anyway.
+
+    // Warn when an empty interface is defined. These are generally not useful.
+    "no-empty-interface": {"severity": "warning"},
+
+    // Warn when an import will have side effects.
+    "no-import-side-effect": {"severity": "warning"},
+
+    // Warn when variables are defined with var. Var has subtle meaning that can lead to bugs. Strongly prefer const for
+    // most values and let for values that will change.
+    "no-var-keyword": {"severity": "warning"},
+
+    // Prefer === and !== over == and !=. The latter operators support overloads that are often accidental.
+    "triple-equals": {"severity": "warning"},
+
+    // Warn when using deprecated APIs.
+    "deprecation": {"severity": "warning"},
+
+    // -- Light Warnings --
+    // These rules are intended to help developers use better style. Simpler code has fewer bugs. These would be "info"
+    // if TSLint supported such a level.
+
+    // prefer for( ... of ... ) to an index loop when the index is only used to fetch an object from an array.
+    // (Even better: check out utils like .map if transforming an array!)
+    "prefer-for-of": {"severity": "warning"},
+
+    // Warns if function overloads could be unified into a single function with optional or rest parameters.
+    "unified-signatures": {"severity": "warning"},
+
+    // Prefer const for values that will not change. This better documents code.
+    "prefer-const": {"severity": "warning"},
+
+    // Multi-line object literals and function calls should have a trailing comma. This helps avoid merge conflicts.
+    "trailing-comma": {"severity": "warning"}
+  },
+
+  "defaultSeverity": "error"
+}
--- a/ESP32_dust_sensor_firestore_FLUTTER/DustFirestore/public/404.html
+++ b/ESP32_dust_sensor_firestore_FLUTTER/DustFirestore/public/404.html
@@ -0,0 +1,33 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1">
+    <title>Page Not Found</title>
+
+    <style media="screen">
+      body { background: #ECEFF1; color: rgba(0,0,0,0.87); font-family: Roboto, Helvetica, Arial, sans-serif; margin: 0; padding: 0; }
+      #message { background: white; max-width: 360px; margin: 100px auto 16px; padding: 32px 24px 16px; border-radius: 3px; }
+      #message h3 { color: #888; font-weight: normal; font-size: 16px; margin: 16px 0 12px; }
+      #message h2 { color: #ffa100; font-weight: bold; font-size: 16px; margin: 0 0 8px; }
+      #message h1 { font-size: 22px; font-weight: 300; color: rgba(0,0,0,0.6); margin: 0 0 16px;}
+      #message p { line-height: 140%; margin: 16px 0 24px; font-size: 14px; }
+      #message a { display: block; text-align: center; background: #039be5; text-transform: uppercase; text-decoration: none; color: white; padding: 16px; border-radius: 4px; }
+      #message, #message a { box-shadow: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24); }
+      #load { color: rgba(0,0,0,0.4); text-align: center; font-size: 13px; }
+      @media (max-width: 600px) {
+        body, #message { margin-top: 0; background: white; box-shadow: none; }
+        body { border-top: 16px solid #ffa100; }
+      }
+    </style>
+  </head>
+  <body>
+    <div id="message">
+      <h2>404</h2>
+      <h1>Page Not Found</h1>
+      <p>The specified file was not found on this website. Please check the URL for mistakes and try again.</p>
+      <h3>Why am I seeing this?</h3>
+      <p>This page was generated by the Firebase Command-Line Interface. To modify it, edit the <code>404.html</code> file in your project's configured <code>public</code> directory.</p>
+    </div>
+  </body>
+</html>
--- a/ESP32_dust_sensor_firestore_FLUTTER/DustFirestore/public/index.html
+++ b/ESP32_dust_sensor_firestore_FLUTTER/DustFirestore/public/index.html
@@ -0,0 +1,65 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1">
+    <title>Welcome to Firebase Hosting</title>
+
+    <!-- update the version number as needed -->
+    <script defer src="/__/firebase/7.2.1/firebase-app.js"></script>
+    <!-- include only the Firebase features as you need -->
+    <script defer src="/__/firebase/7.2.1/firebase-auth.js"></script>
+    <script defer src="/__/firebase/7.2.1/firebase-database.js"></script>
+    <script defer src="/__/firebase/7.2.1/firebase-messaging.js"></script>
+    <script defer src="/__/firebase/7.2.1/firebase-storage.js"></script>
+    <!-- initialize the SDK after all desired features are loaded -->
+    <script defer src="/__/firebase/init.js"></script>
+
+    <style media="screen">
+      body { background: #ECEFF1; color: rgba(0,0,0,0.87); font-family: Roboto, Helvetica, Arial, sans-serif; margin: 0; padding: 0; }
+      #message { background: white; max-width: 360px; margin: 100px auto 16px; padding: 32px 24px; border-radius: 3px; }
+      #message h2 { color: #ffa100; font-weight: bold; font-size: 16px; margin: 0 0 8px; }
+      #message h1 { font-size: 22px; font-weight: 300; color: rgba(0,0,0,0.6); margin: 0 0 16px;}
+      #message p { line-height: 140%; margin: 16px 0 24px; font-size: 14px; }
+      #message a { display: block; text-align: center; background: #039be5; text-transform: uppercase; text-decoration: none; color: white; padding: 16px; border-radius: 4px; }
+      #message, #message a { box-shadow: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24); }
+      #load { color: rgba(0,0,0,0.4); text-align: center; font-size: 13px; }
+      @media (max-width: 600px) {
+        body, #message { margin-top: 0; background: white; box-shadow: none; }
+        body { border-top: 16px solid #ffa100; }
+      }
+    </style>
+  </head>
+  <body>
+    <div id="message">
+      <h2>Welcome</h2>
+      <h1>Firebase Hosting Setup Complete</h1>
+      <p>You're seeing this because you've successfully setup Firebase Hosting. Now it's time to go build something extraordinary!</p>
+      <a target="_blank" href="https://firebase.google.com/docs/hosting/">Open Hosting Documentation</a>
+    </div>
+    <p id="load">Firebase SDK Loading&hellip;</p>
+
+    <script>
+      document.addEventListener('DOMContentLoaded', function() {
+        // // 🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥
+        // // The Firebase SDK is initialized and available here!
+        //
+        // firebase.auth().onAuthStateChanged(user => { });
+        // firebase.database().ref('/path/to/ref').on('value', snapshot => { });
+        // firebase.messaging().requestPermission().then(() => { });
+        // firebase.storage().ref('/path/to/ref').getDownloadURL().then(() => { });
+        //
+        // // 🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥
+
+        try {
+          let app = firebase.app();
+          let features = ['auth', 'database', 'messaging', 'storage'].filter(feature => typeof app[feature] === 'function');
+          document.getElementById('load').innerHTML = `Firebase SDK loaded with ${features.join(', ')}`;
+        } catch (e) {
+          console.error(e);
+          document.getElementById('load').innerHTML = 'Error loading the Firebase SDK, check the console.';
+        }
+      });
+    </script>
+  </body>
+</html>
--- a/ESP32_dust_sensor_firestore_FLUTTER/Esp32_Dust_Sensor_WIFI/Esp32_Dust_Sensor_WIFI.ino
+++ b/ESP32_dust_sensor_firestore_FLUTTER/Esp32_Dust_Sensor_WIFI/Esp32_Dust_Sensor_WIFI.ino
@@ -0,0 +1,120 @@
+#include <WiFi.h>
+#include <HTTPClient.h>
+#include <ArduinoJson.h>
+#define        COV_RATIO                       0.2            //ug/mmm / mv
+#define        NO_DUST_VOLTAGE                 400            //mv
+#define        SYS_VOLTAGE                     5000           
+
+const char* ssid = "ANSBRICK";
+const char* password = "dostmqmflr223"; 
+
+const int iled = 12;                                            //drive the led of sensor
+const int vout = 36;                                            //analog input
+float density, voltage;
+int   adcvalue;
+
+int Filter(int m)
+{
+  static int flag_first = 0, _buff[10], sum;
+  const int _buff_max = 10;
+  int i;
+  
+  if(flag_first == 0)
+  {
+    flag_first = 1;
+
+    for(i = 0, sum = 0; i < _buff_max; i++)
+    {
+      _buff[i] = m;
+      sum += _buff[i];
+    }
+    return m;
+  }
+  else
+  {
+    sum -= _buff[0];
+    for(i = 0; i < (_buff_max - 1); i++)
+    {
+      _buff[i] = _buff[i + 1];
+    }
+    _buff[9] = m;
+    sum += _buff[9];
+    
+    i = sum / 10.0;
+    return i;
+  }
+}
+
+
+void setup() {
+  // put your setup code here, to run once:
+  pinMode(iled, OUTPUT);
+  digitalWrite(iled, LOW);                                     //iled default closed
+  
+  Serial.begin(115200);                                         //send and receive at 115200 baud
+
+  WiFi.begin(ssid, password);
+  while(WiFi.status() != WL_CONNECTED){
+    delay(500);
+    Serial.print("Connected to this Wifi with IP: ");
+    Serial.println(WiFi.localIP());
+  }
+
+}
+
+void UpdateDustSensorValue(){
+   digitalWrite(iled, HIGH);
+  delayMicroseconds(280);
+  adcvalue = analogRead(vout);
+  digitalWrite(iled, LOW);
+  
+  adcvalue = Filter(adcvalue);
+  
+  /*
+  covert voltage (mv)
+  */
+  voltage = (SYS_VOLTAGE / 1024.0) * adcvalue * 11;
+  
+  /*
+  voltage to density
+  */
+  if(voltage >= NO_DUST_VOLTAGE)
+  {
+    voltage -= NO_DUST_VOLTAGE;
+    
+    density = voltage * COV_RATIO;
+  }
+  else
+    density = 0;
+    
+  /*
+  display the result
+  */
+  Serial.print("The current dust concentration is: ");
+  Serial.print(density);
+  Serial.print(" ug/m3\n"); 
+}
+
+void loop() {
+  // put your main code here, to run repeatedly:
+  if(WiFi.status() == WL_CONNECTED){
+    UpdateDustSensorValue();
+    HTTPClient http;
+    http.begin("https://dust-sensor-cloud.firebaseapp.com/api/v1/sensor/9vga20P652xhl6pgLidS");
+    http.addHeader("Content-Type", "application/json");
+    
+    StaticJsonDocument<20> tempDocument;
+    tempDocument["dust"] = density;
+    char buffer[20];
+    serializeJson(tempDocument, buffer);
+    http.PATCH(buffer);
+    http.end();
+    
+    
+  }else{
+    Serial.println("Check your wifi connection");
+  }
+
+  delay(2000);
+
+}
--- a/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/.gitignore
+++ b/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/.gitignore
@@ -0,0 +1,36 @@
+# Miscellaneous
+*.class
+*.log
+*.pyc
+*.swp
+.DS_Store
+.atom/
+.buildlog/
+.history
+.svn/
+
+# IntelliJ related
+*.iml
+*.ipr
+*.iws
+.idea/
+
+# The .vscode folder contains launch configuration and tasks you configure in
+# VS Code which you may wish to be included in version control, so this line
+# is commented out by default.
+#.vscode/
+
+# Flutter/Dart/Pub related
+**/doc/api/
+.dart_tool/
+.flutter-plugins
+.packages
+.pub-cache/
+.pub/
+/build/
+
+# Web related
+lib/generated_plugin_registrant.dart
+
+# Exceptions to above rules.
+!/packages/flutter_tools/test/data/dart_dependencies_test/**/.packages
--- a/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/.metadata
+++ b/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/.metadata
@@ -0,0 +1,10 @@
+# This file tracks properties of this Flutter project.
+# Used by Flutter tool to assess capabilities and perform upgrades etc.
+#
+# This file should be version controlled and should not be manually edited.
+
+version:
+  revision: 1946fc4da0f80c522d7e3ae7d4f7309908ed86f2
+  channel: dev
+
+project_type: app
--- a/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/README.md
+++ b/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/README.md
@@ -0,0 +1,16 @@
+# flutter_dust_firestore_app
+
+A new Flutter application.
+
+## Getting Started
+
+This project is a starting point for a Flutter application.
+
+A few resources to get you started if this is your first Flutter project:
+
+- [Lab: Write your first Flutter app](https://flutter.dev/docs/get-started/codelab)
+- [Cookbook: Useful Flutter samples](https://flutter.dev/docs/cookbook)
+
+For help getting started with Flutter, view our
+[online documentation](https://flutter.dev/docs), which offers tutorials,
+samples, guidance on mobile development, and a full API reference.
--- a/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/android/.gitignore
+++ b/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/android/.gitignore
@@ -0,0 +1,7 @@
+gradle-wrapper.jar
+/.gradle
+/captures/
+/gradlew
+/gradlew.bat
+/local.properties
+GeneratedPluginRegistrant.java
--- a/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/android/app/build.gradle
+++ b/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/android/app/build.gradle
@@ -0,0 +1,65 @@
+def localProperties = new Properties()
+def localPropertiesFile = rootProject.file('local.properties')
+if (localPropertiesFile.exists()) {
+    localPropertiesFile.withReader('UTF-8') { reader ->
+        localProperties.load(reader)
+    }
+}
+
+def flutterRoot = localProperties.getProperty('flutter.sdk')
+if (flutterRoot == null) {
+    throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
+}
+
+def flutterVersionCode = localProperties.getProperty('flutter.versionCode')
+if (flutterVersionCode == null) {
+    flutterVersionCode = '1'
+}
+
+def flutterVersionName = localProperties.getProperty('flutter.versionName')
+if (flutterVersionName == null) {
+    flutterVersionName = '1.0'
+}
+
+apply plugin: 'com.android.application'
+apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
+
+android {
+    compileSdkVersion 28
+
+    lintOptions {
+        disable 'InvalidPackage'
+    }
+
+    defaultConfig {
+        // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
+        applicationId "com.thatproject.flutter_dust_firestore_app"
+        minSdkVersion 16
+        targetSdkVersion 28
+        versionCode flutterVersionCode.toInteger()
+        versionName flutterVersionName
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+        multiDexEnabled true
+    }
+
+    buildTypes {
+        release {
+            // TODO: Add your own signing config for the release build.
+            // Signing with the debug keys for now, so `flutter run --release` works.
+            signingConfig signingConfigs.debug
+        }
+    }
+}
+
+flutter {
+    source '../..'
+}
+
+dependencies {
+    testImplementation 'junit:junit:4.12'
+    androidTestImplementation 'androidx.test:runner:1.1.1'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.1'
+    implementation 'com.android.support:multidex:1.0.3'
+}
+
+apply plugin: 'com.google.gms.google-services'
--- a/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/android/app/src/debug/AndroidManifest.xml
+++ b/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/android/app/src/debug/AndroidManifest.xml
@@ -0,0 +1,7 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.thatproject.flutter_dust_firestore_app">
+    <!-- Flutter needs it to communicate with the running application
+         to allow setting breakpoints, to provide hot reload, etc.
+    -->
+    <uses-permission android:name="android.permission.INTERNET"/>
+</manifest>
--- a/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/android/app/src/main/AndroidManifest.xml
+++ b/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/android/app/src/main/AndroidManifest.xml
@@ -0,0 +1,32 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.thatproject.flutter_dust_firestore_app">
+    <!-- io.flutter.app.FlutterApplication is an android.app.Application that
+         calls FlutterMain.startInitialization(this); in its onCreate method.
+         In most cases you can leave this as-is, but you if you want to provide
+         additional functionality it is fine to subclass or reimplement
+         FlutterApplication and put your custom class here. -->
+    <application
+        android:name="io.flutter.app.FlutterApplication"
+        android:label="flutter_dust_firestore_app"
+        android:icon="@mipmap/ic_launcher">
+        <activity
+            android:name=".MainActivity"
+            android:launchMode="singleTop"
+            android:theme="@style/LaunchTheme"
+            android:configChanges="orientation|keyboardHidden|keyboard|screenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
+            android:hardwareAccelerated="true"
+            android:windowSoftInputMode="adjustResize">
+            <!-- This keeps the window background of the activity showing
+                 until Flutter renders its first frame. It can be removed if
+                 there is no splash screen (such as the default splash screen
+                 defined in @style/LaunchTheme). -->
+            <meta-data
+                android:name="io.flutter.app.android.SplashScreenUntilFirstFrame"
+                android:value="true" />
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN"/>
+                <category android:name="android.intent.category.LAUNCHER"/>
+            </intent-filter>
+        </activity>
+    </application>
+</manifest>
--- a/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/android/app/src/main/java/com/thatproject/flutter_dust_firestore_app/MainActivity.java
+++ b/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/android/app/src/main/java/com/thatproject/flutter_dust_firestore_app/MainActivity.java
@@ -0,0 +1,13 @@
+package com.thatproject.flutter_dust_firestore_app;
+
+import android.os.Bundle;
+import io.flutter.app.FlutterActivity;
+import io.flutter.plugins.GeneratedPluginRegistrant;
+
+public class MainActivity extends FlutterActivity {
+  @Override
+  protected void onCreate(Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);
+    GeneratedPluginRegistrant.registerWith(this);
+  }
+}
--- a/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/android/app/src/main/res/drawable/launch_background.xml
+++ b/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/android/app/src/main/res/drawable/launch_background.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Modify this file to customize your launch splash screen -->
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:drawable="@android:color/white" />
+
+    <!-- You can insert your own image assets here -->
+    <!-- <item>
+        <bitmap
+            android:gravity="center"
+            android:src="@mipmap/launch_image" />
+    </item> -->
+</layer-list>
--- a/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/android/app/src/main/res/mipmap-hdpi/ic_launcher.png
+++ b/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/android/app/src/main/res/mipmap-hdpi/ic_launcher.png
--- a/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/android/app/src/main/res/mipmap-mdpi/ic_launcher.png
+++ b/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/android/app/src/main/res/mipmap-mdpi/ic_launcher.png
--- a/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png
+++ b/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png
--- a/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
+++ b/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
--- a/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
+++ b/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
--- a/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/android/app/src/main/res/values/styles.xml
+++ b/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/android/app/src/main/res/values/styles.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <style name="LaunchTheme" parent="@android:style/Theme.Black.NoTitleBar">
+        <!-- Show a splash screen on the activity. Automatically removed when
+             Flutter draws its first frame -->
+        <item name="android:windowBackground">@drawable/launch_background</item>
+    </style>
+</resources>
--- a/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/android/app/src/profile/AndroidManifest.xml
+++ b/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/android/app/src/profile/AndroidManifest.xml
@@ -0,0 +1,7 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.thatproject.flutter_dust_firestore_app">
+    <!-- Flutter needs it to communicate with the running application
+         to allow setting breakpoints, to provide hot reload, etc.
+    -->
+    <uses-permission android:name="android.permission.INTERNET"/>
+</manifest>
--- a/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/android/build.gradle
+++ b/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/android/build.gradle
@@ -0,0 +1,30 @@
+buildscript {
+    repositories {
+        google()
+        jcenter()
+    }
+
+    dependencies {
+        classpath 'com.android.tools.build:gradle:3.5.0'
+        classpath 'com.google.gms:google-services:4.3.0'
+    }
+}
+
+allprojects {
+    repositories {
+        google()
+        jcenter()
+    }
+}
+
+rootProject.buildDir = '../build'
+subprojects {
+    project.buildDir = "${rootProject.buildDir}/${project.name}"
+}
+subprojects {
+    project.evaluationDependsOn(':app')
+}
+
+task clean(type: Delete) {
+    delete rootProject.buildDir
+}
--- a/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/android/gradle.properties
+++ b/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/android/gradle.properties
@@ -0,0 +1,4 @@
+org.gradle.jvmargs=-Xmx1536M
+android.enableR8=true
+android.useAndroidX=true
+android.enableJetifier=true
--- a/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/android/gradle/wrapper/gradle-wrapper.properties
+++ b/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/android/gradle/wrapper/gradle-wrapper.properties
@@ -0,0 +1,6 @@
+#Fri Jun 23 08:50:38 CEST 2017
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.6.2-all.zip
--- a/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/android/settings.gradle
+++ b/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/android/settings.gradle
@@ -0,0 +1,15 @@
+include ':app'
+
+def flutterProjectRoot = rootProject.projectDir.parentFile.toPath()
+
+def plugins = new Properties()
+def pluginsFile = new File(flutterProjectRoot.toFile(), '.flutter-plugins')
+if (pluginsFile.exists()) {
+    pluginsFile.withReader('UTF-8') { reader -> plugins.load(reader) }
+}
+
+plugins.each { name, path ->
+    def pluginDirectory = flutterProjectRoot.resolve(path).resolve('android').toFile()
+    include ":$name"
+    project(":$name").projectDir = pluginDirectory
+}
--- a/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/.gitignore
+++ b/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/.gitignore
@@ -0,0 +1,31 @@
+*.mode1v3
+*.mode2v3
+*.moved-aside
+*.pbxuser
+*.perspectivev3
+**/*sync/
+.sconsign.dblite
+.tags*
+**/.vagrant/
+**/DerivedData/
+Icon?
+**/Pods/
+**/.symlinks/
+profile
+xcuserdata
+**/.generated/
+Flutter/App.framework
+Flutter/Flutter.framework
+Flutter/Generated.xcconfig
+Flutter/app.flx
+Flutter/app.zip
+Flutter/flutter_assets/
+Flutter/flutter_export_environment.sh
+ServiceDefinitions.json
+Runner/GeneratedPluginRegistrant.*
+
+# Exceptions to above rules.
+!default.mode1v3
+!default.mode2v3
+!default.pbxuser
+!default.perspectivev3
--- a/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Flutter/AppFrameworkInfo.plist
+++ b/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Flutter/AppFrameworkInfo.plist
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+  <key>CFBundleDevelopmentRegion</key>
+  <string>$(DEVELOPMENT_LANGUAGE)</string>
+  <key>CFBundleExecutable</key>
+  <string>App</string>
+  <key>CFBundleIdentifier</key>
+  <string>io.flutter.flutter.app</string>
+  <key>CFBundleInfoDictionaryVersion</key>
+  <string>6.0</string>
+  <key>CFBundleName</key>
+  <string>App</string>
+  <key>CFBundlePackageType</key>
+  <string>FMWK</string>
+  <key>CFBundleShortVersionString</key>
+  <string>1.0</string>
+  <key>CFBundleSignature</key>
+  <string>????</string>
+  <key>CFBundleVersion</key>
+  <string>1.0</string>
+  <key>MinimumOSVersion</key>
+  <string>8.0</string>
+</dict>
+</plist>
--- a/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Flutter/Debug.xcconfig
+++ b/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Flutter/Debug.xcconfig
@@ -0,0 +1,2 @@
+#include "Pods/Target Support Files/Pods-Runner/Pods-Runner.debug.xcconfig"
+#include "Generated.xcconfig"
--- a/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Flutter/Release.xcconfig
+++ b/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Flutter/Release.xcconfig
@@ -0,0 +1,2 @@
+#include "Pods/Target Support Files/Pods-Runner/Pods-Runner.release.xcconfig"
+#include "Generated.xcconfig"
--- a/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Podfile
+++ b/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Podfile
@@ -0,0 +1,72 @@
+# Uncomment this line to define a global platform for your project
+# platform :ios, '9.0'
+
+# CocoaPods analytics sends network stats synchronously affecting flutter build latency.
+ENV['COCOAPODS_DISABLE_STATS'] = 'true'
+
+project 'Runner', {
+  'Debug' => :debug,
+  'Profile' => :release,
+  'Release' => :release,
+}
+
+def parse_KV_file(file, separator='=')
+  file_abs_path = File.expand_path(file)
+  if !File.exists? file_abs_path
+    return [];
+  end
+  pods_ary = []
+  skip_line_start_symbols = ["#", "/"]
+  File.foreach(file_abs_path) { |line|
+      next if skip_line_start_symbols.any? { |symbol| line =~ /^\s*#{symbol}/ }
+      plugin = line.split(pattern=separator)
+      if plugin.length == 2
+        podname = plugin[0].strip()
+        path = plugin[1].strip()
+        podpath = File.expand_path("#{path}", file_abs_path)
+        pods_ary.push({:name => podname, :path => podpath});
+      else
+        puts "Invalid plugin specification: #{line}"
+      end
+  }
+  return pods_ary
+end
+
+target 'Runner' do
+  # Prepare symlinks folder. We use symlinks to avoid having Podfile.lock
+  # referring to absolute paths on developers' machines.
+  system('rm -rf .symlinks')
+  system('mkdir -p .symlinks/plugins')
+
+  # Flutter Pods
+  generated_xcode_build_settings = parse_KV_file('./Flutter/Generated.xcconfig')
+  if generated_xcode_build_settings.empty?
+    puts "Generated.xcconfig must exist. If you're running pod install manually, make sure flutter pub get is executed first."
+  end
+  generated_xcode_build_settings.map { |p|
+    if p[:name] == 'FLUTTER_FRAMEWORK_DIR'
+      symlink = File.join('.symlinks', 'flutter')
+      File.symlink(File.dirname(p[:path]), symlink)
+      pod 'Flutter', :path => File.join(symlink, File.basename(p[:path]))
+    end
+  }
+
+  # Plugin Pods
+  plugin_pods = parse_KV_file('../.flutter-plugins')
+  plugin_pods.map { |p|
+    symlink = File.join('.symlinks', 'plugins', p[:name])
+    File.symlink(p[:path], symlink)
+    pod p[:name], :path => File.join(symlink, 'ios')
+  }
+end
+
+# Prevent Cocoapods from embedding a second Flutter framework and causing an error with the new Xcode build system.
+install! 'cocoapods', :disable_input_output_paths => true
+
+post_install do |installer|
+  installer.pods_project.targets.each do |target|
+    target.build_configurations.each do |config|
+      config.build_settings['ENABLE_BITCODE'] = 'NO'
+    end
+  end
+end
--- a/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Podfile.lock
+++ b/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Podfile.lock
@@ -0,0 +1,177 @@
+PODS:
+  - BoringSSL-GRPC (0.0.3):
+    - BoringSSL-GRPC/Implementation (= 0.0.3)
+    - BoringSSL-GRPC/Interface (= 0.0.3)
+  - BoringSSL-GRPC/Implementation (0.0.3):
+    - BoringSSL-GRPC/Interface (= 0.0.3)
+  - BoringSSL-GRPC/Interface (0.0.3)
+  - cloud_firestore (0.0.1):
+    - Firebase/Core
+    - Firebase/Firestore (~> 6.0)
+    - Flutter
+  - Firebase/Auth (6.5.0):
+    - Firebase/CoreOnly
+    - FirebaseAuth (~> 6.2.1)
+  - Firebase/Core (6.5.0):
+    - Firebase/CoreOnly
+    - FirebaseAnalytics (= 6.0.4)
+  - Firebase/CoreOnly (6.5.0):
+    - FirebaseCore (= 6.1.0)
+  - Firebase/Firestore (6.5.0):
+    - Firebase/CoreOnly
+    - FirebaseFirestore (~> 1.4.2)
+  - firebase_auth (0.0.1):
+    - Firebase/Auth (~> 6.0)
+    - Firebase/Core
+    - Flutter
+  - firebase_core (0.0.1):
+    - Firebase/Core
+    - Flutter
+  - FirebaseAnalytics (6.0.4):
+    - FirebaseCore (~> 6.1)
+    - FirebaseInstanceID (~> 4.2)
+    - GoogleAppMeasurement (= 6.0.4)
+    - GoogleUtilities/AppDelegateSwizzler (~> 6.0)
+    - GoogleUtilities/MethodSwizzler (~> 6.0)
+    - GoogleUtilities/Network (~> 6.0)
+    - "GoogleUtilities/NSData+zlib (~> 6.0)"
+    - nanopb (~> 0.3)
+  - FirebaseAuth (6.2.1):
+    - FirebaseAuthInterop (~> 1.0)
+    - FirebaseCore (~> 6.0)
+    - GoogleUtilities/AppDelegateSwizzler (~> 6.2)
+    - GoogleUtilities/Environment (~> 6.2)
+    - GTMSessionFetcher/Core (~> 1.1)
+  - FirebaseAuthInterop (1.0.0)
+  - FirebaseCore (6.1.0):
+    - GoogleUtilities/Environment (~> 6.0)
+    - GoogleUtilities/Logger (~> 6.0)
+  - FirebaseFirestore (1.4.2):
+    - FirebaseAuthInterop (~> 1.0)
+    - FirebaseCore (~> 6.0)
+    - FirebaseFirestore/abseil-cpp (= 1.4.2)
+    - "gRPC-C++ (= 0.0.9)"
+    - leveldb-library (~> 1.20)
+    - nanopb (~> 0.3.901)
+    - Protobuf (~> 3.1)
+  - FirebaseFirestore/abseil-cpp (1.4.2):
+    - FirebaseAuthInterop (~> 1.0)
+    - FirebaseCore (~> 6.0)
+    - "gRPC-C++ (= 0.0.9)"
+    - leveldb-library (~> 1.20)
+    - nanopb (~> 0.3.901)
+    - Protobuf (~> 3.1)
+  - FirebaseInstanceID (4.2.2):
+    - FirebaseCore (~> 6.0)
+    - GoogleUtilities/Environment (~> 6.0)
+    - GoogleUtilities/UserDefaults (~> 6.0)
+  - Flutter (1.0.0)
+  - GoogleAppMeasurement (6.0.4):
+    - GoogleUtilities/AppDelegateSwizzler (~> 6.0)
+    - GoogleUtilities/MethodSwizzler (~> 6.0)
+    - GoogleUtilities/Network (~> 6.0)
+    - "GoogleUtilities/NSData+zlib (~> 6.0)"
+    - nanopb (~> 0.3)
+  - GoogleUtilities/AppDelegateSwizzler (6.2.3):
+    - GoogleUtilities/Environment
+    - GoogleUtilities/Logger
+    - GoogleUtilities/Network
+  - GoogleUtilities/Environment (6.2.3)
+  - GoogleUtilities/Logger (6.2.3):
+    - GoogleUtilities/Environment
+  - GoogleUtilities/MethodSwizzler (6.2.3):
+    - GoogleUtilities/Logger
+  - GoogleUtilities/Network (6.2.3):
+    - GoogleUtilities/Logger
+    - "GoogleUtilities/NSData+zlib"
+    - GoogleUtilities/Reachability
+  - "GoogleUtilities/NSData+zlib (6.2.3)"
+  - GoogleUtilities/Reachability (6.2.3):
+    - GoogleUtilities/Logger
+  - GoogleUtilities/UserDefaults (6.2.3):
+    - GoogleUtilities/Logger
+  - "gRPC-C++ (0.0.9)":
+    - "gRPC-C++/Implementation (= 0.0.9)"
+    - "gRPC-C++/Interface (= 0.0.9)"
+  - "gRPC-C++/Implementation (0.0.9)":
+    - "gRPC-C++/Interface (= 0.0.9)"
+    - gRPC-Core (= 1.21.0)
+    - nanopb (~> 0.3)
+  - "gRPC-C++/Interface (0.0.9)"
+  - gRPC-Core (1.21.0):
+    - gRPC-Core/Implementation (= 1.21.0)
+    - gRPC-Core/Interface (= 1.21.0)
+  - gRPC-Core/Implementation (1.21.0):
+    - BoringSSL-GRPC (= 0.0.3)
+    - gRPC-Core/Interface (= 1.21.0)
+    - nanopb (~> 0.3)
+  - gRPC-Core/Interface (1.21.0)
+  - GTMSessionFetcher/Core (1.2.2)
+  - leveldb-library (1.20)
+  - nanopb (0.3.901):
+    - nanopb/decode (= 0.3.901)
+    - nanopb/encode (= 0.3.901)
+  - nanopb/decode (0.3.901)
+  - nanopb/encode (0.3.901)
+  - Protobuf (3.9.0)
+
+DEPENDENCIES:
+  - cloud_firestore (from `.symlinks/plugins/cloud_firestore/ios`)
+  - firebase_auth (from `.symlinks/plugins/firebase_auth/ios`)
+  - firebase_core (from `.symlinks/plugins/firebase_core/ios`)
+  - Flutter (from `.symlinks/flutter/ios`)
+
+SPEC REPOS:
+  https://github.com/cocoapods/specs.git:
+    - BoringSSL-GRPC
+    - Firebase
+    - FirebaseAnalytics
+    - FirebaseAuth
+    - FirebaseAuthInterop
+    - FirebaseCore
+    - FirebaseFirestore
+    - FirebaseInstanceID
+    - GoogleAppMeasurement
+    - GoogleUtilities
+    - "gRPC-C++"
+    - gRPC-Core
+    - GTMSessionFetcher
+    - leveldb-library
+    - nanopb
+    - Protobuf
+
+EXTERNAL SOURCES:
+  cloud_firestore:
+    :path: ".symlinks/plugins/cloud_firestore/ios"
+  firebase_auth:
+    :path: ".symlinks/plugins/firebase_auth/ios"
+  firebase_core:
+    :path: ".symlinks/plugins/firebase_core/ios"
+  Flutter:
+    :path: ".symlinks/flutter/ios"
+
+SPEC CHECKSUMS:
+  BoringSSL-GRPC: db8764df3204ccea016e1c8dd15d9a9ad63ff318
+  cloud_firestore: c9493dd01ad88934d926e18cc5a92a0129bf2c32
+  Firebase: dedc9e48ea3f3649ad5f6b982f8a0c73508a14b5
+  firebase_auth: 1e3b7bdd37b9fbd4ef75ba1d985b00be09e02d3d
+  firebase_core: ae55ea92448ec8675d325da4db22cf3b4d58a54d
+  FirebaseAnalytics: 3fb375bc9d13779add4039716f868d233a473fad
+  FirebaseAuth: a06ad63e9bf4c86165b54cceb1c14d4f4c38d419
+  FirebaseAuthInterop: 0ffa57668be100582bb7643d4fcb7615496c41fc
+  FirebaseCore: aecf02fb2274ec361b9bebeac112f5daa18273bd
+  FirebaseFirestore: 41a035642eb017fc7206318985501626993840bd
+  FirebaseInstanceID: 662b8108a09fe9ed01aafdedba100fde8536b0f6
+  Flutter: 0e3d915762c693b495b44d77113d4970485de6ec
+  GoogleAppMeasurement: 183bd916af7f80deb67c01888368f1108d641832
+  GoogleUtilities: d2b0e277a95962e09bb27f5cd42f5f0b6a506c7d
+  "gRPC-C++": 9dfe7b44821e7b3e44aacad2af29d2c21f7cde83
+  gRPC-Core: c9aef9a261a1247e881b18059b84d597293c9947
+  GTMSessionFetcher: 61bb0f61a4cb560030f1222021178008a5727a23
+  leveldb-library: 08cba283675b7ed2d99629a4bc5fd052cd2bb6a5
+  nanopb: 2901f78ea1b7b4015c860c2fdd1ea2fee1a18d48
+  Protobuf: 1097ca58584c8d9be81bfbf2c5ff5975648dd87a
+
+PODFILE CHECKSUM: 7fb83752f59ead6285236625b82473f90b1cb932
+
+COCOAPODS: 1.7.5
--- a/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Runner.xcodeproj/project.pbxproj
+++ b/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Runner.xcodeproj/project.pbxproj
@@ -0,0 +1,595 @@
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+			defaultConfigurationName = Release;
+		};
+/* End XCConfigurationList section */
+	};
+	rootObject = 97C146E61CF9000F007C117D /* Project object */;
+}
--- a/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
+++ b/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "group:Runner.xcodeproj">
+   </FileRef>
+</Workspace>
--- a/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme
+++ b/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme
@@ -0,0 +1,91 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   LastUpgradeVersion = "1020"
+   version = "1.3">
+   <BuildAction
+      parallelizeBuildables = "YES"
+      buildImplicitDependencies = "YES">
+      <BuildActionEntries>
+         <BuildActionEntry
+            buildForTesting = "YES"
+            buildForRunning = "YES"
+            buildForProfiling = "YES"
+            buildForArchiving = "YES"
+            buildForAnalyzing = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "97C146ED1CF9000F007C117D"
+               BuildableName = "Runner.app"
+               BlueprintName = "Runner"
+               ReferencedContainer = "container:Runner.xcodeproj">
+            </BuildableReference>
+         </BuildActionEntry>
+      </BuildActionEntries>
+   </BuildAction>
+   <TestAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      shouldUseLaunchSchemeArgsEnv = "YES">
+      <Testables>
+      </Testables>
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "97C146ED1CF9000F007C117D"
+            BuildableName = "Runner.app"
+            BlueprintName = "Runner"
+            ReferencedContainer = "container:Runner.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
+      <AdditionalOptions>
+      </AdditionalOptions>
+   </TestAction>
+   <LaunchAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      launchStyle = "0"
+      useCustomWorkingDirectory = "NO"
+      ignoresPersistentStateOnLaunch = "NO"
+      debugDocumentVersioning = "YES"
+      debugServiceExtension = "internal"
+      allowLocationSimulation = "YES">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "97C146ED1CF9000F007C117D"
+            BuildableName = "Runner.app"
+            BlueprintName = "Runner"
+            ReferencedContainer = "container:Runner.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+      <AdditionalOptions>
+      </AdditionalOptions>
+   </LaunchAction>
+   <ProfileAction
+      buildConfiguration = "Profile"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      debugDocumentVersioning = "YES">
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+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "97C146ED1CF9000F007C117D"
+            BuildableName = "Runner.app"
+            BlueprintName = "Runner"
+            ReferencedContainer = "container:Runner.xcodeproj">
+         </BuildableReference>
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+      revealArchiveInOrganizer = "YES">
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+</Scheme>
--- a/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Runner.xcworkspace/contents.xcworkspacedata
+++ b/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Runner.xcworkspace/contents.xcworkspacedata
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "group:Runner.xcodeproj">
+   </FileRef>
+   <FileRef
+      location = "group:Pods/Pods.xcodeproj">
+   </FileRef>
+</Workspace>
--- a/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
+++ b/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>
--- a/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Runner/AppDelegate.h
+++ b/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Runner/AppDelegate.h
@@ -0,0 +1,6 @@
+#import <Flutter/Flutter.h>
+#import <UIKit/UIKit.h>
+
+@interface AppDelegate : FlutterAppDelegate
+
+@end
--- a/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Runner/AppDelegate.m
+++ b/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Runner/AppDelegate.m
@@ -0,0 +1,13 @@
+#include "AppDelegate.h"
+#include "GeneratedPluginRegistrant.h"
+
+@implementation AppDelegate
+
+- (BOOL)application:(UIApplication *)application
+    didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
+  [GeneratedPluginRegistrant registerWithRegistry:self];
+  // Override point for customization after application launch.
+  return [super application:application didFinishLaunchingWithOptions:launchOptions];
+}
+
+@end
--- a/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json
+++ b/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json
@@ -0,0 +1,122 @@
+{
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+      "idiom" : "iphone",
+      "filename" : "Icon-App-20x20@2x.png",
+      "scale" : "2x"
+    },
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+      "size" : "20x20",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-20x20@3x.png",
+      "scale" : "3x"
+    },
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+      "idiom" : "iphone",
+      "filename" : "Icon-App-29x29@1x.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "29x29",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-29x29@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "29x29",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-29x29@3x.png",
+      "scale" : "3x"
+    },
+    {
+      "size" : "40x40",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-40x40@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "40x40",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-40x40@3x.png",
+      "scale" : "3x"
+    },
+    {
+      "size" : "60x60",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-60x60@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "60x60",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-60x60@3x.png",
+      "scale" : "3x"
+    },
+    {
+      "size" : "20x20",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-20x20@1x.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "20x20",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-20x20@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "29x29",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-29x29@1x.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "29x29",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-29x29@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "40x40",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-40x40@1x.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "40x40",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-40x40@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "76x76",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-76x76@1x.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "76x76",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-76x76@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "83.5x83.5",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-83.5x83.5@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "1024x1024",
+      "idiom" : "ios-marketing",
+      "filename" : "Icon-App-1024x1024@1x.png",
+      "scale" : "1x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}
--- a/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-1024x1024@1x.png
+++ b/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-1024x1024@1x.png
--- a/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@1x.png
+++ b/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@1x.png
--- a/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@2x.png
+++ b/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@2x.png
--- a/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@3x.png
+++ b/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@3x.png
--- a/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-29x29@1x.png
+++ b/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-29x29@1x.png
--- a/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-29x29@2x.png
+++ b/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-29x29@2x.png
--- a/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-29x29@3x.png
+++ b/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-29x29@3x.png
--- a/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-40x40@1x.png
+++ b/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-40x40@1x.png
--- a/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-40x40@2x.png
+++ b/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-40x40@2x.png
--- a/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-40x40@3x.png
+++ b/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-40x40@3x.png
--- a/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-60x60@2x.png
+++ b/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-60x60@2x.png
--- a/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-60x60@3x.png
+++ b/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-60x60@3x.png
--- a/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-76x76@1x.png
+++ b/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-76x76@1x.png
--- a/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-76x76@2x.png
+++ b/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-76x76@2x.png
--- a/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-83.5x83.5@2x.png
+++ b/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-83.5x83.5@2x.png
--- a/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Runner/Assets.xcassets/LaunchImage.imageset/Contents.json
+++ b/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Runner/Assets.xcassets/LaunchImage.imageset/Contents.json
@@ -0,0 +1,23 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "filename" : "LaunchImage.png",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "LaunchImage@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "LaunchImage@3x.png",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}
--- a/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage.png
+++ b/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage.png
--- a/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@2x.png
+++ b/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@2x.png
--- a/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@3x.png
+++ b/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@3x.png
--- a/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Runner/Assets.xcassets/LaunchImage.imageset/README.md
+++ b/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Runner/Assets.xcassets/LaunchImage.imageset/README.md
@@ -0,0 +1,5 @@
+# Launch Screen Assets
+
+You can customize the launch screen with your own desired assets by replacing the image files in this directory.
+
+You can also do it by opening your Flutter project's Xcode project with `open ios/Runner.xcworkspace`, selecting `Runner/Assets.xcassets` in the Project Navigator and dropping in the desired images.
--- a/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Runner/Base.lproj/LaunchScreen.storyboard
+++ b/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Runner/Base.lproj/LaunchScreen.storyboard
@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="12121" systemVersion="16G29" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" colorMatched="YES" initialViewController="01J-lp-oVM">
+    <dependencies>
+        <deployment identifier="iOS"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="12089"/>
+    </dependencies>
+    <scenes>
+        <!--View Controller-->
+        <scene sceneID="EHf-IW-A2E">
+            <objects>
+                <viewController id="01J-lp-oVM" sceneMemberID="viewController">
+                    <layoutGuides>
+                        <viewControllerLayoutGuide type="top" id="Ydg-fD-yQy"/>
+                        <viewControllerLayoutGuide type="bottom" id="xbc-2k-c8Z"/>
+                    </layoutGuides>
+                    <view key="view" contentMode="scaleToFill" id="Ze5-6b-2t3">
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <subviews>
+                            <imageView opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" image="LaunchImage" translatesAutoresizingMaskIntoConstraints="NO" id="YRO-k0-Ey4">
+                            </imageView>
+                        </subviews>
+                        <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                        <constraints>
+                            <constraint firstItem="YRO-k0-Ey4" firstAttribute="centerX" secondItem="Ze5-6b-2t3" secondAttribute="centerX" id="1a2-6s-vTC"/>
+                            <constraint firstItem="YRO-k0-Ey4" firstAttribute="centerY" secondItem="Ze5-6b-2t3" secondAttribute="centerY" id="4X2-HB-R7a"/>
+                        </constraints>
+                    </view>
+                </viewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="iYj-Kq-Ea1" userLabel="First Responder" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="53" y="375"/>
+        </scene>
+    </scenes>
+    <resources>
+        <image name="LaunchImage" width="168" height="185"/>
+    </resources>
+</document>
--- a/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Runner/Base.lproj/Main.storyboard
+++ b/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Runner/Base.lproj/Main.storyboard
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="10117" systemVersion="15F34" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" initialViewController="BYZ-38-t0r">
+    <dependencies>
+        <deployment identifier="iOS"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="10085"/>
+    </dependencies>
+    <scenes>
+        <!--Flutter View Controller-->
+        <scene sceneID="tne-QT-ifu">
+            <objects>
+                <viewController id="BYZ-38-t0r" customClass="FlutterViewController" sceneMemberID="viewController">
+                    <layoutGuides>
+                        <viewControllerLayoutGuide type="top" id="y3c-jy-aDJ"/>
+                        <viewControllerLayoutGuide type="bottom" id="wfy-db-euE"/>
+                    </layoutGuides>
+                    <view key="view" contentMode="scaleToFill" id="8bC-Xf-vdC">
+                        <rect key="frame" x="0.0" y="0.0" width="600" height="600"/>
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="calibratedWhite"/>
+                    </view>
+                </viewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="dkx-z0-nzr" sceneMemberID="firstResponder"/>
+            </objects>
+        </scene>
+    </scenes>
+</document>
--- a/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Runner/Info.plist
+++ b/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Runner/Info.plist
@@ -0,0 +1,45 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>$(DEVELOPMENT_LANGUAGE)</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIdentifier</key>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>flutter_dust_firestore_app</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>$(FLUTTER_BUILD_NAME)</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>$(FLUTTER_BUILD_NUMBER)</string>
+	<key>LSRequiresIPhoneOS</key>
+	<true/>
+	<key>UILaunchStoryboardName</key>
+	<string>LaunchScreen</string>
+	<key>UIMainStoryboardFile</key>
+	<string>Main</string>
+	<key>UISupportedInterfaceOrientations</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+	<key>UISupportedInterfaceOrientations~ipad</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationPortraitUpsideDown</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+	<key>UIViewControllerBasedStatusBarAppearance</key>
+	<false/>
+</dict>
+</plist>
--- a/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Runner/main.m
+++ b/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/ios/Runner/main.m
@@ -0,0 +1,9 @@
+#import <Flutter/Flutter.h>
+#import <UIKit/UIKit.h>
+#import "AppDelegate.h"
+
+int main(int argc, char* argv[]) {
+  @autoreleasepool {
+    return UIApplicationMain(argc, argv, nil, NSStringFromClass([AppDelegate class]));
+  }
+}
--- a/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/lib/main.dart
+++ b/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/lib/main.dart
@@ -0,0 +1,175 @@
+import 'dart:async';
+
+import 'package:cloud_firestore/cloud_firestore.dart';
+import 'package:firebase_auth/firebase_auth.dart';
+import 'package:flutter/material.dart';
+import 'package:oscilloscope/oscilloscope.dart';
+import 'package:pie_chart/pie_chart.dart';
+
+void main() {
+  runApp(MaterialApp(
+    debugShowCheckedModeBanner: false,
+    theme: ThemeData.dark(),
+    title: "Dust Sensor Through Firestore",
+    home: DustApp(),
+  ));
+}
+
+class DustApp extends StatefulWidget {
+  @override
+  _DustAppState createState() => _DustAppState();
+}
+
+class _DustAppState extends State<DustApp> {
+  final FirebaseAuth _auth = FirebaseAuth.instance;
+
+  bool _success;
+  List<double> traceData = List();
+  Timer _timer;
+  Map<String, double> dataMap = new Map();
+  List<Color> colorList = [Colors.red, Colors.green];
+  double globalCurrentSensorValue = 0;
+
+  @override
+  void dispose() {
+    super.dispose();
+    _timer.cancel();
+  }
+
+  @override
+  void initState() {
+    super.initState();
+    _success = false;
+    _SigninWithAnonymous();
+
+    _timer = Timer.periodic(Duration(milliseconds: 500), _generateTrace);
+    dataMap.putIfAbsent("Contamination", () => 0);
+    dataMap.putIfAbsent("Clean", () => 100);
+  }
+
+  _SigninWithAnonymous() async {
+    final FirebaseUser user = (await _auth.signInAnonymously()).user;
+
+    setState(() {
+      if (user != null) {
+        print('Login Success');
+        _success = true;
+      } else {
+        print('Login Failure');
+        _success = false;
+      }
+    });
+  }
+
+  _generateTrace(Timer t) {
+    setState(() {
+      traceData.add(globalCurrentSensorValue);
+    });
+  }
+
+  Widget buildStreamBuilder() {
+    Oscilloscope graph = Oscilloscope(
+      showYAxis: true,
+      yAxisColor: Colors.orange,
+      padding: 20.0,
+      backgroundColor: Colors.black,
+      traceColor: Colors.green,
+      yAxisMax: 3000.0,
+      yAxisMin: 0.0,
+      dataSet: traceData,
+    );
+
+    return Container(
+        child: !_success
+            ? Center(
+                child: CircularProgressIndicator(
+                  valueColor: AlwaysStoppedAnimation<Color>(Colors.red),
+                ),
+              )
+            : StreamBuilder(
+                stream: Firestore.instance.collection('sensors').snapshots(),
+                builder: (context, snapshot) {
+                  if (!snapshot.hasData) {
+                    return Center(
+                      child: CircularProgressIndicator(
+                        valueColor: AlwaysStoppedAnimation<Color>(Colors.red),
+                      ),
+                    );
+                  } else {
+                    snapshot.data.documents.forEach((f) {
+                      if (f.documentID == '9vga20P652xhl6pgLidS') {
+                        print('current value = ${f['dust']}');
+                        globalCurrentSensorValue = f['dust'].toDouble();
+
+                        var tempContaminationValue =
+                            globalCurrentSensorValue / 3000 * 100;
+                        var tempCleanValue = 100 - tempContaminationValue;
+
+                        dataMap["Contamination"] = tempContaminationValue;
+                        dataMap["Clean"] = tempCleanValue;
+                      }
+                    });
+
+                    return Center(
+                      child: Column(
+                        mainAxisAlignment: MainAxisAlignment.center,
+                        children: <Widget>[
+                          Expanded(
+                            flex: 1,
+                            child: graph,
+                          ),
+                          Expanded(
+                            flex: 1,
+                            child: Column(
+                              mainAxisAlignment: MainAxisAlignment.center,
+                              children: <Widget>[
+                                Text(
+                                  'Current value from Sensor',
+                                  style: TextStyle(fontSize: 14),
+                                ),
+                                Text(
+                                  '${globalCurrentSensorValue} ug/m3',
+                                  style: TextStyle(
+                                      fontWeight: FontWeight.bold,
+                                      fontSize: 24),
+                                ),
+                                PieChart(
+                                  dataMap: dataMap,
+                                  legendFontColor: Colors.grey[400],
+                                  legendFontSize: 14.0,
+                                  legendFontWeight: FontWeight.w500,
+                                  animationDuration:
+                                      Duration(milliseconds: 800),
+                                  chartLegendSpacing: 32.0,
+                                  chartRadius:
+                                      MediaQuery.of(context).size.width / 2.7,
+                                  showChartValues: true,
+                                  showChartValuesInPercentage: true,
+                                  showChartValuesOutside: false,
+                                  chartValuesColor:
+                                      Colors.blueGrey[900].withOpacity(0.9),
+                                  colorList: colorList,
+                                  showLegends: true,
+                                  decimalPlaces: 1,
+                                )
+                              ],
+                            ),
+                          )
+                        ],
+                      ),
+                    );
+                  }
+                },
+              ));
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: const Text('Dust Sensor Through Firestore'),
+      ),
+      body: buildStreamBuilder(),
+    );
+  }
+}
--- a/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/pubspec.lock
+++ b/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/pubspec.lock
@@ -0,0 +1,231 @@
+# Generated by pub
+# See https://dart.dev/tools/pub/glossary#lockfile
+packages:
+  archive:
+    dependency: transitive
+    description:
+      name: archive
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.10"
+  args:
+    dependency: transitive
+    description:
+      name: args
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.5.2"
+  async:
+    dependency: transitive
+    description:
+      name: async
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.3.0"
+  boolean_selector:
+    dependency: transitive
+    description:
+      name: boolean_selector
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.5"
+  charcode:
+    dependency: transitive
+    description:
+      name: charcode
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.1.2"
+  cloud_firestore:
+    dependency: "direct main"
+    description:
+      name: cloud_firestore
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.12.9+5"
+  collection:
+    dependency: transitive
+    description:
+      name: collection
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.14.11"
+  convert:
+    dependency: transitive
+    description:
+      name: convert
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.1"
+  crypto:
+    dependency: transitive
+    description:
+      name: crypto
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.3"
+  cupertino_icons:
+    dependency: "direct main"
+    description:
+      name: cupertino_icons
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.2"
+  firebase_auth:
+    dependency: "direct main"
+    description:
+      name: firebase_auth
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.14.0+5"
+  firebase_core:
+    dependency: transitive
+    description:
+      name: firebase_core
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.4.0+9"
+  flutter:
+    dependency: "direct main"
+    description: flutter
+    source: sdk
+    version: "0.0.0"
+  flutter_test:
+    dependency: "direct dev"
+    description: flutter
+    source: sdk
+    version: "0.0.0"
+  image:
+    dependency: transitive
+    description:
+      name: image
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.4"
+  matcher:
+    dependency: transitive
+    description:
+      name: matcher
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.12.5"
+  meta:
+    dependency: transitive
+    description:
+      name: meta
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.1.7"
+  oscilloscope:
+    dependency: "direct main"
+    description:
+      name: oscilloscope
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.0.3"
+  path:
+    dependency: transitive
+    description:
+      name: path
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.6.4"
+  pedantic:
+    dependency: transitive
+    description:
+      name: pedantic
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.8.0+1"
+  petitparser:
+    dependency: transitive
+    description:
+      name: petitparser
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.4.0"
+  pie_chart:
+    dependency: "direct main"
+    description:
+      name: pie_chart
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.2.0"
+  quiver:
+    dependency: transitive
+    description:
+      name: quiver
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.5"
+  sky_engine:
+    dependency: transitive
+    description: flutter
+    source: sdk
+    version: "0.0.99"
+  source_span:
+    dependency: transitive
+    description:
+      name: source_span
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.5.5"
+  stack_trace:
+    dependency: transitive
+    description:
+      name: stack_trace
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.9.3"
+  stream_channel:
+    dependency: transitive
+    description:
+      name: stream_channel
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.0"
+  string_scanner:
+    dependency: transitive
+    description:
+      name: string_scanner
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.5"
+  term_glyph:
+    dependency: transitive
+    description:
+      name: term_glyph
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.1.0"
+  test_api:
+    dependency: transitive
+    description:
+      name: test_api
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.2.5"
+  typed_data:
+    dependency: transitive
+    description:
+      name: typed_data
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.1.6"
+  vector_math:
+    dependency: transitive
+    description:
+      name: vector_math
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.8"
+  xml:
+    dependency: transitive
+    description:
+      name: xml
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.5.0"
+sdks:
+  dart: ">=2.4.0 <3.0.0"
+  flutter: ">=1.5.0 <2.0.0"
--- a/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/pubspec.yaml
+++ b/ESP32_dust_sensor_firestore_FLUTTER/flutter_dust_firestore_app/pubspec.yaml
@@ -0,0 +1,77 @@
+name: flutter_dust_firestore_app
+description: A new Flutter application.
+
+# The following defines the version and build number for your application.
+# A version number is three numbers separated by dots, like 1.2.43
+# followed by an optional build number separated by a +.
+# Both the version and the builder number may be overridden in flutter
+# build by specifying --build-name and --build-number, respectively.
+# In Android, build-name is used as versionName while build-number used as versionCode.
+# Read more about Android versioning at https://developer.android.com/studio/publish/versioning
+# In iOS, build-name is used as CFBundleShortVersionString while build-number used as CFBundleVersion.
+# Read more about iOS versioning at
+# https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
+version: 1.0.0+1
+
+environment:
+  sdk: ">=2.1.0 <3.0.0"
+
+dependencies:
+  flutter:
+    sdk: flutter
+
+  # The following adds the Cupertino Icons font to your application.
+  # Use with the CupertinoIcons class for iOS style icons.
+  cupertino_icons: ^0.1.2
+  firebase_auth:
+  cloud_firestore:
+  oscilloscope:
+  pie_chart:
+
+
+dev_dependencies:
+  flutter_test:
+    sdk: flutter
+
+
+# For information on the generic Dart part of this file, see the
+# following page: https://dart.dev/tools/pub/pubspec
+
+# The following section is specific to Flutter.
+flutter:
+
+  # The following line ensures that the Material Icons font is
+  # included with your application, so that you can use the icons in
+  # the material Icons class.
+  uses-material-design: true
+
+  # To add assets to your application, add an assets section, like this:
+  # assets:
+  #  - images/a_dot_burr.jpeg
+  #  - images/a_dot_ham.jpeg
+
+  # An image asset can refer to one or more resolution-specific "variants", see
+  # https://flutter.dev/assets-and-images/#resolution-aware.
+
+  # For details regarding adding assets from package dependencies, see
+  # https://flutter.dev/assets-and-images/#from-packages
+
+  # To add custom fonts to your application, add a fonts section here,
+  # in this "flutter" section. Each entry in this list should have a
+  # "family" key with the font family name, and a "fonts" key with a
+  # list giving the asset and other descriptors for the font. For
+  # example:
+  # fonts:
+  #   - family: Schyler
+  #     fonts:
+  #       - asset: fonts/Schyler-Regular.ttf
+  #       - asset: fonts/Schyler-Italic.ttf
+  #         style: italic
+  #   - family: Trajan Pro
+  #     fonts:
+  #       - asset: fonts/TrajanPro.ttf
+  #       - asset: fonts/TrajanPro_Bold.ttf
+  #         weight: 700
+  #
+  # For details regarding fonts from package dependencies,
+  # see https://flutter.dev/custom-fonts/#from-packages